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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	138	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		139
59	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		143
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
79	binmode STDOUT;	160	binmode STDOUT;
80	binmode STDERR;	161	binmode STDERR;
81		162
82	# read virtual server time, if available	163	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
87	}	168	}
88		169
89	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	171
91	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		174
96	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
97		176
98	sub cf::map::normalise;	177	sub cf::map::normalise;
99		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
100	#############################################################################	183	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
103		197
104	=over 4	198	=over 4
105		199
106	=item $cf::UPTIME	200	=item $cf::UPTIME
107		201
108	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.
109		218
110	=item $cf::RUNTIME	219	=item $cf::RUNTIME
111		220
112	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
113	every server tick.	222	every server tick.
114		223
115	=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
116		227
117	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	239	=item $cf::LOAD
121		240
122	The time of the last (current) server tick.	241	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		242
128	=item %cf::CFG	243	=item %cf::CFG
129		244
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	246	from wherever your confdir points to.
132		247
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		249
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
139		282
140	=back	283	=back
141		284
142	=cut	285	=cut
143		286
144	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	294	my $msg = join "", @_;
147	utf8::encode $msg;
148		295
149	$msg .= "\n"	296	$msg .= "\n"
150	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
151		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
152	LOG llevError, $msg;	301	LOG llevWarn, $msg;
153	};	302	};
154	}	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	};
155		317
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		325
163	# 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
164	# within the Safe compartment.	327	# within the Safe compartment.
165	for my $pkg (qw(	328	for my $pkg (qw(
166	cf::global cf::attachable	329	cf::global cf::attachable
167	cf::object cf::object::player	330	cf::object cf::object::player
168	cf::client cf::player	331	cf::client cf::player
169	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
170	cf::map cf::party cf::region	334	cf::party cf::region
171	)) {	335	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	337	}
175		338
176	$Event::DIED = sub {	339	$EV::DIED = sub {
177	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
178	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
179		349
180	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
181		351
182	=over 4	352	=over 4
183		353
…		…
202	$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;
203	$d	373	$d
204	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
205	}	375	}
206		376
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
208		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
209	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
210		392
211	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
212		394
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
221		396
222	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
223		398
224	=cut	399	=cut
225		400
226	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
228	JSON::Syck::Dump $_[0]	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	}
229	}	466	}
230		467
231	=item cf::lock_wait $string	468	=item cf::lock_wait $string
232		469
233	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
234		471
235	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
236		473
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
240	returned.	477	returned.
241		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
242	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
243	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
244		484
245	=cut	485	=item $locked = cf::lock_active $string
246		486
247	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;
248		492
249	sub lock_wait($) {	493	sub lock_wait($) {
250	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	495	}
258		496
259	sub lock_acquire($) {	497	sub lock_acquire($) {
260	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
261		500
262	# wait, to be sure we are not locked	501	sub lock_active($) {
263	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	503	}
272		504
273	sub freeze_mainloop {	505	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
275		507
276	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
277	$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	}
278	};	578	}
279	$TICK_WATCHER->stop;	579	};
280	$guard	580
		581	sub get_slot($;$$) {
		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;
281	}	594	}
282		595
283	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
284		597
285	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		603
291	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
292		605
293	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
294		607
295	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
296	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
297	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.
298		612
299	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
300	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
301	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
302	fast or be very important.	616	fast or be very important.
…		…
304	=cut	618	=cut
305		619
306	sub sync_job(&) {	620	sub sync_job(&) {
307	my ($job) = @_;	621	my ($job) = @_;
308		622
309	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
310	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
312		628
313	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	630
315	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
316		632
317	my $busy = 1;	633	my $busy = 1;
318	my @res;	634	my @res;
319		635
320	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	638	@res = eval { $job->() };
322	warn $@ if $@;	639	error $@ if $@;
323	undef $busy;	640	undef $busy;
324	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
325		642
326	while ($busy) {	643	while ($busy) {
327	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
328	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
329		654
330	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
331	} else {	656	} else {
332	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
333		658
…		…
353	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
354		679
355	$coro	680	$coro
356	}	681	}
357		682
358	sub write_runtime {	683	=item fork_call { }, @args
359	my $runtime = cf::localdir . "/runtime";
360		684
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
362	or return;	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.
363		689
364	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		691
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
369	and return;	693	reset_signals;
		694	}
370		695
371	# always fsync - this file is important	696	sub fork_call(&@) {
372	aio_fsync $fh	697	my ($cb, @args) = @_;
373	and return;
374		698
375	close $fh	699	# we seemingly have to make a local copy of the whole thing,
376	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
377		702
378	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
379	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
380		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
381	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"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	886	}
383		887
384	=back	888	=back
385		889
386	=cut	890	=cut
387		891
388	#############################################################################	892	#############################################################################
389		893
390	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
391		895
392	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
393	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")
394	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
395		899
396	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>
397	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
398	crossfire+).	902	Deliantra).
399		903
400	=over 4	904	=over 4
401		905
402	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
403		907
…		…
447	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
448		952
449	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
450	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
451		955
452	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		958
455	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
456		960
457	=over 4	961	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
567		1071
568	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1076
573	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
575		1079
576	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
581		1085
582	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1088
585	} elsif (ref $type) {	1089	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
587		1091
588	} else {	1092	} else {
589	shift @arg;	1093	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
591	}	1095	}
592	}	1096	}
593	}	1097	}
594		1098
595	sub _object_attach {	1099	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
606	}	1110	}
607		1111
608	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
609	} else {	1113	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1115	}
612		1116
613	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
614	}	1118	}
615		1119
…		…
617	if (ref $_[0]) {	1121	if (ref $_[0]) {
618	_object_attach @_;	1122	_object_attach @_;
619	} else {	1123	} else {
620	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
621	}	1125	}
		1126	_recalc_want;
622	};	1127	};
623		1128
624	# all those should be optimised	1129	# all those should be optimised
625	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1135	reattach ($obj);
631	} else {	1136	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
633	}	1138	}
		1139	_recalc_want;
634	};	1140	};
635		1141
636	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
638		1144
…		…
653	";	1159	";
654	die if $@;	1160	die if $@;
655	}	1161	}
656		1162
657	our $override;	1163	our $override;
658	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?
659		1165
660	sub override {	1166	sub override {
661	$override = 1;	1167	$override = 1;
662	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
663	}	1169	}
664		1170
665	sub do_invoke {	1171	sub do_invoke {
666	my $event = shift;	1172	my $event = shift;
667	my $callbacks = shift;	1173	my $callbacks = shift;
668		1174
669	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
670		1176
671	local $override;	1177	local $override;
672		1178
673	for (@$callbacks) {	1179	for (@$callbacks) {
674	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
675		1181
676	if ($@) {	1182	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1184	override;
680	}	1185	}
681		1186
682	return 1 if $override;	1187	return 1 if $override;
683	}	1188	}
684		1189
685	0	1190	0
686	}	1191	}
687		1192
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1194
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1196
692	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
693		1198
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1202
698	=back	1203	=back
699		1204
700	=cut	1205	=cut
701		1206
702	#############################################################################	1207	#############################################################################
703	# 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	}
704		1251
705	sub reattach {	1252	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1254	my ($obj) = @_;
708		1255
		1256	# no longer needed after getting rid of delete_package?
709	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
710		1258
711	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
712		1260
713	@$registry = ();	1261	@$registry = ();
714		1262
…		…
719	for (@$attach) {	1267	for (@$attach) {
720	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
722	}	1270	}
723	} else {	1271	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1273	}
726	}	1274	}
727	}	1275	}
728		1276
729	cf::attachable->attach (	1277	cf::attachable->attach (
730	prio => -1000000,	1278	prio => -1000000,
731	on_instantiate => sub {	1279	on_instantiate => sub {
732	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
733		1281
734	$data = from_json $data;	1282	$data = decode_json $data;
735		1283
736	for (@$data) {	1284	for (@$data) {
737	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
738		1286
739	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1303	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
757		1305
758	sync_job {	1306	sync_job {
759	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
762		1312
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	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	}
767	close $fh;	1320	aio_close $fh;
768		1321
769	if (@$objs) {	1322	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
774	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	}
775	close $fh;	1331	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
777	}	1333	}
778	} else {	1334	} else {
779	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
780	}	1336	}
781		1337
782	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1342	} else {
784	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
785	}	1344	}
786	} else {	1345	} else {
787	aio_unlink $filename;	1346	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
789	}	1348	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1349	};
797	}	1350	}
798		1351
799	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
801		1354
…		…
806		1359
807	sub object_thawer_load {	1360	sub object_thawer_load {
808	my ($filename) = @_;	1361	my ($filename) = @_;
809		1362
810	my ($data, $av);	1363	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1364
815	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
816	or return;	1366	or return;
817		1367
818	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
820	or return;	1370	or return;
		1371
821	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
822	}	1374	}
823		1375
		1376	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
826	return ($data, $av);	1381	($data, $av)
827	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
828		1389
829	#############################################################################	1390	#############################################################################
830	# command handling &c	1391	# command handling &c
831		1392
832	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1407	}
847		1408
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1410
850	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.
851		1416
852	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
853	called.	1418	called.
854		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
855	=cut	1431	=cut
856		1432
857	sub register_extcmd {	1433	sub register_extcmd {
858	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
859		1435
860	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
861	}	1437	}
862		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
863	cf::player->attach (	1447	cf::player->attach (
864	on_command => sub {	1448	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
866		1450
867	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
868	or return;	1452	or return;
869		1453
…		…
874	cf::override;	1458	cf::override;
875	},	1459	},
876	on_extcmd => sub {	1460	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
878		1462
879	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1464
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
887	} else {	1480	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1482	}
890		1483
891	cf::override;	1484	cf::override;
892	},	1485	},
893	);	1486	);
894		1487
		1488	# "readahead" all extensions
895	sub load_extension {	1489	sub cache_extensions {
896	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
897		1491
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1495	}
923	die $@;
924	}	1496	};
925		1497
926	push @EXTS, $pkg;	1498	$grp
927	}	1499	}
928		1500
929	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
930	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1508	next unless -r $path;
932	eval {	1509
933	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	}
934	1	1573	}
935	} 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	}
936	}	1586	};
937	}	1587	}
938		1588
939	#############################################################################	1589	#############################################################################
940		1590
		1591	=back
		1592
941	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
942		1594
943	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
944		1596
945	=cut	1597	=cut
946		1598
947	package cf::player;	1599	package cf::player;
948		1600
…		…
950		1602
951	=head3 cf::player	1603	=head3 cf::player
952		1604
953	=over 4	1605	=over 4
954		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
955	=item cf::player::find $login	1621	=item cf::player::find $login
956		1622
957	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
958		1624
959	=cut	1625	=cut
960		1626
961	sub playerdir($) {	1627	sub playerdir($) {
962	cf::localdir	1628	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1630	}
968		1631
969	sub path($) {	1632	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1634
972	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
973	}	1636	}
974		1637
975	sub find_active($) {	1638	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
980		1643
981	sub exists($) {	1644	sub exists($) {
982	my ($login) = @_;	1645	my ($login) = @_;
983		1646
984	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
986	}	1649	}
987		1650
988	sub find($) {	1651	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1653	my $login = $_[0];
991		1654
992	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
993		1656
994	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
996	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;
997	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
998	}	1674	}
999	}	1675	}
1000	}	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	);
1001		1690
1002	sub save($) {	1691	sub save($) {
1003	my ($pl) = @_;	1692	my ($pl) = @_;
1004		1693
1005	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1011		1700
1012	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1016	Coro::cede;	1710	cf::cede_to_tick;
1017	}	1711	}
1018		1712
1019	sub new($) {	1713	sub new($) {
1020	my ($login) = @_;	1714	my ($login) = @_;
1021		1715
…		…
1027	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1028		1722
1029	$self	1723	$self
1030	}	1724	}
1031		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
1032	=item $pl->quit_character	1736	=item $pl->quit_character
1033		1737
1034	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
1035	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1036		1740
1037	=cut	1741	=cut
1038		1742
1039	sub quit_character {	1743	sub quit_character {
1040	my ($pl) = @_;	1744	my ($pl) = @_;
1041		1745
		1746	my $name = $pl->ob->name;
		1747
1042	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1043	$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
1044		1750
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1046	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1048	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1049		1759
1050	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1055	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1056	}	1786	}
1057		1787
1058	=item cf::player::list_logins	1788	=item cf::player::list_logins
1059		1789
1060	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1062		1792
1063	=cut	1793	=cut
1064		1794
1065	sub list_logins {	1795	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1797	or return [];
1068		1798
1069	my @logins;	1799	my @logins;
1070		1800
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1075		1811
1076	utf8::decode $login;	1812	utf8::decode $login;
1077	push @logins, $login;	1813	push @logins, $login;
1078	}	1814	}
1079		1815
1080	\@logins	1816	\@logins
1081	}	1817	}
1082		1818
1083	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1084		1822
1085	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1086	player. May block.	1824	player. May block.
1087		1825
1088	=cut	1826	=cut
…		…
1106	}	1844	}
1107		1845
1108	\@paths	1846	\@paths
1109	}	1847	}
1110		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1112		1854
1113	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1114		1856
1115	=cut	1857	=cut
1116		1858
1117	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1119		1861
1120	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1863	}
1124		1864
1125	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1126		1907
1127	=back	1908	=back
1128
1129		1909
1130	=head3 cf::map	1910	=head3 cf::map
1131		1911
1132	=over 4	1912	=over 4
1133		1913
…		…
1145	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1147		1927
1148	sub generate_random_map {	1928	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1150	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1151	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1162	(cf::region::find $rmp->{region}), $rmp->{custom}
1163	)
1164	}	1934	}
1165		1935
1166	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1167		1937
1168	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
…		…
1173		1943
1174	sub register {	1944	sub register {
1175	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1946	my $pkg = caller;
1177		1947
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1949
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1951	}
1183		1952
1184	# also paths starting with '/'	1953	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1955
1187	sub thawer_merge {	1956	sub thawer_merge {
1188	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1189		1958
1190	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1191	local $self->{path};	1960	local $self->{path};
1192	local $self->{load_path};	1961	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1962
1196	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1197	}	1964	}
1198		1965
1199	sub normalise {	1966	sub normalise {
1200	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1201		1968
1202	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1203		1970
1204	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1205		1972
1206	# map plan:	1973	# map plan:
1207	#	1974	#
…		…
1222	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1223	$path = "$base/$path";	1990	$path = "$base/$path";
1224	}	1991	}
1225		1992
1226	for ($path) {	1993	for ($path) {
1227	redo if s{//}{/};
1228	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1229	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1230	}	1996	}
1231		1997
1232	$path	1998	$path
…		…
1246	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1247	return $self;	2013	return $self;
1248	}	2014	}
1249	}	2015	}
1250		2016
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	2018	()
1253	}	2019	}
1254		2020
		2021	# may re-bless or do other evil things
1255	sub init {	2022	sub init {
1256	my ($self) = @_;	2023	my ($self) = @_;
1257		2024
1258	$self	2025	$self
1259	}	2026	}
…		…
1271		2038
1272	# the original (read-only) location	2039	# the original (read-only) location
1273	sub load_path {	2040	sub load_path {
1274	my ($self) = @_;	2041	my ($self) = @_;
1275		2042
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1277	}	2044	}
1278		2045
1279	# the temporary/swap location	2046	# the temporary/swap location
1280	sub save_path {	2047	sub save_path {
1281	my ($self) = @_;	2048	my ($self) = @_;
1282		2049
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1285	}	2052	}
1286		2053
1287	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1288	sub uniq_path {	2055	sub uniq_path {
1289	my ($self) = @_;	2056	my ($self) = @_;
1290		2057
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1293	}	2060	}
1294		2061
1295	# and all this just because we cannot iterate over	2062	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	2063	my ($self) = @_;
1299		2064
1300	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1302	}	2068	}
1303		2069
1304	sub unlink_save {	2070	sub unlink_save {
1305	my ($self) = @_;	2071	my ($self) = @_;
1306		2072
1307	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2076	}
1316		2077
1317	sub load_header_from($) {	2078	sub load_header_from($) {
1318	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1319		2080
1320	utf8::encode $path;	2081	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2083	or return;
1326		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1327	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1328		2092
1329	1	2093	1
1330	}	2094	}
1331		2095
		2096	# used to laod the header of an original map
1332	sub load_header_orig {	2097	sub load_header_orig {
1333	my ($self) = @_;	2098	my ($self) = @_;
1334		2099
1335	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1336	}	2101	}
1337		2102
		2103	# used to laod the header of an instantiated map
1338	sub load_header_temp {	2104	sub load_header_temp {
1339	my ($self) = @_;	2105	my ($self) = @_;
1340		2106
1341	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1342	}	2108	}
1343		2109
		2110	# called after loading the header from an instantiated map
1344	sub prepare_temp {	2111	sub prepare_temp {
1345	my ($self) = @_;	2112	my ($self) = @_;
1346		2113
1347	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1348	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1349	# safety	2116	# safety
1350	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1351	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1352	}	2119	}
1353		2120
		2121	# called after loading the header from an original map
1354	sub prepare_orig {	2122	sub prepare_orig {
1355	my ($self) = @_;	2123	my ($self) = @_;
1356		2124
1357	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1358	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1369	$self->load_header_orig	2137	$self->load_header_orig
1370	or return;	2138	or return;
1371	$self->prepare_orig;	2139	$self->prepare_orig;
1372	}	2140	}
1373		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1374	1	2148	1
1375	}	2149	}
1376		2150
1377	sub find;	2151	sub find;
1378	sub find {	2152	sub find {
1379	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1380		2154
		2155	cf::cede_to_tick;
		2156
1381	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1382		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2161
1385	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1388	or return;	2164	or return;
1389		2165
1390	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1391		2167
1392	$map->load_header	2168	$map->load_header
1393	or return;	2169	or return;
1394		2170
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1398	$map->reset;	2176	$map->reset;
1399	undef $guard;
1400	return find $path;	2177	return find $path;
1401	}	2178	}
1402		2179
1403	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1404	}	2181	}
1405	}	2182	}
1406		2183
1407	sub pre_load { }	2184	sub pre_load { }
1408	sub post_load { }	2185	#sub post_load { } # XS
1409		2186
1410	sub load {	2187	sub load {
1411	my ($self) = @_;	2188	my ($self) = @_;
1412		2189
1413	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1414		2191
1415	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1417		2196
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1419		2199
1420	$self->in_memory (cf::MAP_LOADING);
1421
1422	$self->alloc;	2200	$self->alloc;
1423		2201
1424	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1425		2204
1426	$self->_load_objects ($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)
1427	or return;	2209	or return;
1428		2210
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1430	if delete $self->{load_original};	2212	if delete $self->{load_original};
1431		2213
1432	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2215	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2218	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1437	}	2223	}
1438	}
1439		2224
1440	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1441		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1442	# now do the right thing for maps	2234	# now do the right thing for maps
1443	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2237	unless $self->difficulty;
1453	Coro::cede;	2238	cf::cede_to_tick;
1454	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1455	}	2251	}
1456		2252
1457	$self->post_load;	2253	$self->post_load;
1458		2254
1459	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1460	}	2256	}
1461		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2261	sub customise_for {
1463	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1464		2263
1465	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2265	if $self->per_player;
1467		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1468	$self	2270	$self
1469	}	2271	}
1470		2272
1471	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2274	sub load_neighbours {
1473	my ($map) = @_;	2275	my ($map) = @_;
1474		2276
1475	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1476		2278
1477	for (0 .. 3) {	2279	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1479	or next;	2281	or next;
1480	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1481	or next;	2283	or next;
1482	$neigh->load;	2284	$neigh->load;
1483		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2290	}
1487		2291
1488	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1490	or next;	2295	or next;
1491	$neigh->load;	2296	$neigh->load;
1492	}	2297	}
1493	}	2298	}
1494		2299
1495	sub find_sync {	2300	sub find_sync {
1496	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1497		2302
1498	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1499	}	2308	}
1500		2309
1501	sub do_load_sync {	2310	sub do_load_sync {
1502	my ($map) = @_;	2311	my ($map) = @_;
1503		2312
1504	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1505	}	2318	}
1506		2319
1507	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1509		2322
1510	sub find_async {	2323	sub find_async {
1511	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1512		2325
1513	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1514		2327
1515	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1517	}	2330	}
1518		2331
1519	undef $MAP_PREFETCH{$path};	2332	$MAP_PREFETCH{$path} |= $load;
		2333
1520	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1521	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2339	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2340	$map->load if $v;
		2341	}
1526		2342
1527	delete $MAP_PREFETCH{$path};	2343	delete $MAP_PREFETCH{$k};
1528	}	2344	}
1529	}	2345	}
1530	undef $MAP_PREFETCHER;	2346	undef $MAP_PREFETCHER;
1531	};	2347	};
1532	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1533		2349
1534	()	2350	()
1535	}	2351	}
1536		2352
		2353	# common code, used by both ->save and ->swapout
1537	sub save {	2354	sub _save {
1538	my ($self) = @_;	2355	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2356
1542	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1543		2358
1544	return unless $self->dirty;	2359	return unless $self->dirty;
1545		2360
…		…
1551	return if $self->{deny_save};	2366	return if $self->{deny_save};
1552		2367
1553	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1554		2369
1555	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
1557	};	2373	};
		2374
		2375	cf::get_slot 0.02;
1558		2376
1559	if ($uniq) {	2377	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2380	} else {
1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1564	}	2382	}
1565	}	2383	}
1566		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
1567	sub swap_out {	2393	sub swap_out {
1568	my ($self) = @_;	2394	my ($self) = @_;
1569		2395
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
1575	return if $self->players;	2400	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
1579	$self->clear;	2411	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2412	}
1582		2413
1583	sub reset_at {	2414	sub reset_at {
1584	my ($self) = @_;	2415	my ($self) = @_;
1585		2416
1586	# TODO: safety, remove and allow resettable per-player maps	2417	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2418	return 1e99 if $self->{deny_reset};
1589		2419
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2422
…		…
1603	my ($self) = @_;	2433	my ($self) = @_;
1604		2434
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2436
1607	return if $self->players;	2437	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2438
1610	warn "resetting map ", $self->path;#d#	2439	cf::trace "resetting map ", $self->path, "\n";
1611		2440
1612	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
1613		2442
1614	# need to save uniques path	2443	# need to save uniques path
1615	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
1616	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
1617		2446
…		…
1619	if $uniq;	2448	if $uniq;
1620	}	2449	}
1621		2450
1622	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
1623		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2455	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2456
1628	$self->unlink_save;	2457	$self->unlink_save;
1629	$self->destroy;	2458	$self->destroy;
1630	}	2459	}
1631		2460
1632	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
1633		2462
1634	sub nuke {	2463	sub nuke {
1635	my ($self) = @_;	2464	my ($self) = @_;
1636		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
1637	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
1638		2470
1639	$self->unlink_save;	2471	$self->unlink_save;
1640		2472
1641	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2478
1647	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
1648		2481
1649	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
		2483	}
		2484
		2485	=item $maps = cf::map::tmp_maps
		2486
		2487	Returns an arrayref with all map paths of currently instantiated and saved
		2488	maps. May block.
		2489
		2490	=cut
		2491
		2492	sub tmp_maps() {
		2493	[
		2494	map {
		2495	utf8::decode $_;
		2496	/\.map$/
		2497	? normalise $_
		2498	: ()
		2499	} @{ aio_readdir $TMPDIR or [] }
		2500	]
		2501	}
		2502
		2503	=item $maps = cf::map::random_maps
		2504
		2505	Returns an arrayref with all map paths of currently instantiated and saved
		2506	random maps. May block.
		2507
		2508	=cut
		2509
		2510	sub random_maps() {
		2511	[
		2512	map {
		2513	utf8::decode $_;
		2514	/\.map$/
		2515	? normalise "?random/$_"
		2516	: ()
		2517	} @{ aio_readdir $RANDOMDIR or [] }
		2518	]
1650	}	2519	}
1651		2520
1652	=item cf::map::unique_maps	2521	=item cf::map::unique_maps
1653		2522
1654	Returns an arrayref of paths of all shared maps that have	2523	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2524	instantiated unique items. May block.
1656		2525
1657	=cut	2526	=cut
1658		2527
1659	sub unique_maps() {	2528	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2529	[
1661	or return;	2530	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2531	utf8::decode $_;
1667	next if /\.pst$/;	2532	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2534	? ()
1670	push @paths, cf::map::normalise $_;	2535	: normalise $_
		2536	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2537	]
1672
1673	\@paths
1674	}	2538	}
1675		2539
1676	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
1677		2571
1678	=back	2572	=back
1679		2573
1680	=head3 cf::object	2574	=head3 cf::object
1681		2575
…		…
1685		2579
1686	=over 4	2580	=over 4
1687		2581
1688	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
1689		2583
1690	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
1691		2586
1692	=cut	2587	=cut
1693		2588
1694	sub inv_recursive_;	2589	sub inv_recursive_;
1695	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
1698		2593
1699	sub inv_recursive {	2594	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
1701	}	2596	}
1702		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
1703	package cf;	2626	package cf;
1704		2627
1705	=back	2628	=back
1706		2629
1707	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
1713	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1714	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
1715	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
1716		2639
1717	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
1718		2655
1719	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2657	# with dialog boxes.
1721	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
1722	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
1724		2661
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2662	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2663
1727	if ($self->{record_replies}) {	2664	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2665	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2666
1729	} else {	2667	} else {
		2668	my $pl = $self->contr;
		2669
		2670	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2671	my $dialog = $pl->{npc_dialog};
		2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2673
		2674	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2677	}
1732	}	2678	}
		2679	}
		2680
		2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2682
		2683	=cut
		2684
		2685	sub cf::object::send_msg {
		2686	my $pl = shift->contr
		2687	or return;
		2688	$pl->send_msg (@_);
1733	}	2689	}
1734		2690
1735	=item $player_object->may ("access")	2691	=item $player_object->may ("access")
1736		2692
1737	Returns wether the given player is authorized to access resource "access"	2693	Returns wether the given player is authorized to access resource "access"
…		…
1750		2706
1751	=item $player_object->enter_link	2707	=item $player_object->enter_link
1752		2708
1753	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
1754		2710
1755	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
1756	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
1757		2715
1758	Will never block.	2716	Will never block.
1759		2717
1760	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
1761		2719
…		…
1781	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2740	my ($self) = @_;
1783		2741
1784	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
1785		2743
		2744	++$self->{_link_recursion};
		2745
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2747
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2749	if $self->map && $self->map->{path} ne "{link}";
1790		2750
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2752	}
1793		2753
1794	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
		2756
		2757	return unless $self->contr->active;
1796		2758
1797	my $link_pos = delete $self->{_link_pos};	2759	my $link_pos = delete $self->{_link_pos};
1798		2760
1799	unless ($map) {	2761	unless ($map) {
1800	# restore original map position	2762	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
1813		2775
1814	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
1817		2779
1818	$map->load;	2780	$map->load;
1819	$map->load_diag;	2781	$map->load_neighbours;
1820		2782
1821	return unless $self->contr->active;	2783	return unless $self->contr->active;
		2784
		2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2786	if ($self->enter_map ($map, $x, $y)) {
		2787	# entering was successful
		2788	delete $self->{_link_recursion};
		2789	# only activate afterwards, to support waiting in hooks
1822	$self->activate_recursive;	2790	$self->activate_recursive;
1823	$self->enter_map ($map, $x, $y);
1824	}
1825
1826	cf::player->attach (
1827	on_logout => sub {
1828	my ($pl) = @_;
1829
1830	# abort map switching before logout
1831	if ($pl->ob->{_link_pos}) {
1832	cf::sync_job {
1833	$pl->ob->leave_link
1834	};
1835	}
1836	},	2791	}
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2792
1840	# try to abort aborted map switching on player login :)	2793	}
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857		2794
1858	=item $player_object->goto ($path, $x, $y)	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1859		2796
		2797	Moves the player to the given map-path and coordinates by first freezing
		2798	her, loading and preparing them map, calling the provided $check callback
		2799	that has to return the map if sucecssful, and then unfreezes the player on
		2800	the new (success) or old (failed) map position. In either case, $done will
		2801	be called at the end of this process.
		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
1860	=cut	2806	=cut
		2807
		2808	our $GOTOGEN;
1861		2809
1862	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
1863	my ($self, $path, $x, $y) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
		2819	# do generation counting so two concurrent goto's will be executed in-order
		2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864		2821
1865	$self->enter_link;	2822	$self->enter_link;
1866		2823
1867	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
1868	my $map = eval {	2846	my $map = eval {
1869	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2848
		2849	if ($map) {
1870	$map = $map->customise_for ($self) if $map;	2850	$map = $map->customise_for ($self);
		2851	$map = $check->($map, $x, $y, $self) if $check && $map;
		2852	} else {
		2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2854	}
		2855
1871	$map	2856	$map
		2857	};
		2858
		2859	if ($@) {
		2860	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2861	LOG llevError | logBacktrace, Carp::longmess $@;
1872	} or	2862	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2863
		2864	if ($gen == $self->{_goto_generation}) {
		2865	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
		2867	}
		2868
		2869	$done->($self) if $done;
1876	})->prio (1);	2870	})->prio (1);
1877	}	2871	}
1878		2872
1879	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
1880		2874
…		…
1900	}	2894	}
1901		2895
1902	sub prepare_random_map {	2896	sub prepare_random_map {
1903	my ($exit) = @_;	2897	my ($exit) = @_;
1904		2898
1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
1908	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
1909	# that depends on the exit object	2901	# that depends on the exit object
1910		2902
1911	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
1913	if ($exit->map) {	2905	if ($exit->map) {
1914	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
1915	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
1916	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
1917	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
1918	}	2912	}
1919		2913
1920	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
1921		2915
1922	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
1925		2919
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2922	undef $fh;
1929	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
1930		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
1931	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
1932	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
1933	}	2931	}
1934	}	2932	}
1935		2933
1936	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
1937	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
1938		2936
1939	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
1940		2938
1941	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
1943	cf::sync_job { prepare_random_map $exit };
1944	}
1945
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;
1949
1950	$self->enter_link;	2939	$self->enter_link;
1951		2940
1952	(async {	2941	(async {
1953	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
1954	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
1955	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
1956		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
1957	1;	2980	1
1958	}) {	2981	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
1960	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
1961	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2986
1964	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
1965	$self->leave_link;	2988	$self->leave_link;
1966	}	2989	}
1967	})->prio (1);	2990	})->prio (1);
1968	}	2991	}
1969		2992
…		…
1980		3003
1981	sub cf::client::send_drawinfo {	3004	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	3005	my ($self, $text, $flags) = @_;
1983		3006
1984	utf8::encode $text;	3007	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	3009	}
1987		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
		3034	}
		3035
		3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3037
		3038	Send a drawinfo or msg packet to the client, formatting the msg for the
		3039	client if neccessary. C<$type> should be a string identifying the type of
		3040	the message, with C<log> being the default. If C<$color> is negative, suppress
		3041	the message unless the client supports the msg packet.
		3042
		3043	=cut
		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
		3159	sub cf::client::send_msg {
		3160	my ($self, $channel, $msg, $color, @extra) = @_;
		3161
		3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
		3164
		3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
		3174	} elsif (ref $channel) {
		3175	# send meta info to client, if not yet sent
		3176	unless (exists $self->{channel}{$channel->{id}}) {
		3177	$self->{channel}{$channel->{id}} = $channel;
		3178	$self->ext_msg (channel_info => $channel);
		3179	}
		3180
		3181	$channel = $channel->{id};
		3182	}
		3183
		3184	return unless @extra || length $msg;
		3185
		3186	# default colour, mask it out
		3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3188	if $color & cf::NDI_DEF;
		3189
		3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
		3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3193	);
		3194
		3195	$self->send_big_packet ($pkt);
		3196	}
		3197
		3198	=item $client->ext_msg ($type, @msg)
		3199
		3200	Sends an ext event to the client.
		3201
		3202	=cut
		3203
		3204	sub cf::client::ext_msg($$@) {
		3205	my ($self, $type, @msg) = @_;
		3206
		3207	if ($self->extcmd == 2) {
		3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3209	} elsif ($self->extcmd == 1) { # TODO: remove
		3210	push @msg, msgtype => "event_$type";
		3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3212	}
		3213	}
		3214
		3215	=item $client->ext_reply ($msgid, @msg)
		3216
		3217	Sends an ext reply to the client.
		3218
		3219	=cut
		3220
		3221	sub cf::client::ext_reply($$@) {
		3222	my ($self, $id, @msg) = @_;
		3223
		3224	if ($self->extcmd == 2) {
		3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3226	} elsif ($self->extcmd == 1) {
		3227	#TODO: version 1, remove
		3228	unshift @msg, msgtype => "reply", msgid => $id;
		3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3230	}
		3231	}
1988		3232
1989	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
1990		3234
1991	Queues a query to the client, calling the given callback with	3235	Queues a query to the client, calling the given callback with
1992	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3236	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3237	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994		3238
1995	Queries can fail, so check the return code. Or don't, as queries will become	3239	Queries can fail, so check the return code. Or don't, as queries will
1996	reliable at some point in the future.	3240	become reliable at some point in the future.
1997		3241
1998	=cut	3242	=cut
1999		3243
2000	sub cf::client::query {	3244	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	3245	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	3253	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3254	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		3255
2012	$self->send_packet ($self->{query_queue}[0][0])	3256	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	3257	if @{ $self->{query_queue} } == 1;
		3258
		3259	1
2014	}	3260	}
2015		3261
2016	cf::client->attach (	3262	cf::client->attach (
		3263	on_connect => sub {
		3264	my ($ns) = @_;
		3265
		3266	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3267	},
2017	on_reply => sub {	3268	on_reply => sub {
2018	my ($ns, $msg) = @_;	3269	my ($ns, $msg) = @_;
2019		3270
2020	# this weird shuffling is so that direct followup queries	3271	# this weird shuffling is so that direct followup queries
2021	# get handled first	3272	# get handled first
…		…
2033	} else {	3284	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3285	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	3286	}
2036	}	3287	}
2037	},	3288	},
		3289	on_exticmd => sub {
		3290	my ($ns, $buf) = @_;
		3291
		3292	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3293
		3294	if (ref $msg) {
		3295	my ($type, $reply, @payload) =
		3296	"ARRAY" eq ref $msg
		3297	? @$msg
		3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3299
		3300	my @reply;
		3301
		3302	if (my $cb = $EXTICMD{$type}) {
		3303	@reply = $cb->($ns, @payload);
		3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
		3309	} else {
		3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3311	}
		3312
		3313	cf::override;
		3314	},
2038	);	3315	);
2039		3316
2040	=item $client->async (\&cb)	3317	=item $client->async (\&cb)
2041		3318
2042	Create a new coroutine, running the specified callback. The coroutine will	3319	Create a new coroutine, running the specified callback. The coroutine will
…		…
2058		3335
2059	$coro	3336	$coro
2060	}	3337	}
2061		3338
2062	cf::client->attach (	3339	cf::client->attach (
2063	on_destroy => sub {	3340	on_client_destroy => sub {
2064	my ($ns) = @_;	3341	my ($ns) = @_;
2065		3342
2066	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2067	},	3344	},
2068	);	3345	);
…		…
2083	our $safe = new Safe "safe";	3360	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2085		3362
2086	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2087		3364
2088	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3365	$safe->permit_only (Opcode::opset qw(
		3366	:base_core :base_mem :base_orig :base_math :base_loop
		3367	grepstart grepwhile mapstart mapwhile
		3368	sort time
		3369	));
2089		3370
2090	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
2091		3372
2092	=pod	3373	=pod
2093		3374
2094	The following fucntions and emthods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2095		3376
2096	cf::object contr pay_amount pay_player map	3377	cf::object
		3378	contr pay_amount pay_player map x y force_find force_add destroy
		3379	insert remove name archname title slaying race decrease split
		3380	value
		3381
2097	cf::object::player player	3382	cf::object::player
2098	cf::player peaceful	3383	player
2099	cf::map trigger	3384
		3385	cf::player
		3386	peaceful
		3387
		3388	cf::map
		3389	trigger
2100		3390
2101	=cut	3391	=cut
2102		3392
2103	for (	3393	for (
2104	["cf::object" => qw(contr pay_amount pay_player map)],	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2105	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2107	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2108	) {	3400	) {
2109	no strict 'refs';
2110	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2111	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2112	for @funs;	3403	for @funs;
2113	}	3404	}
2114		3405
…		…
2129		3420
2130	my $qcode = $code;	3421	my $qcode = $code;
2131	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2132	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2133		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2134	local $_;	3428	local $_;
2135	local @safe::cf::_safe_eval_args = values %vars;
2136		3429
2137	my $eval =	3430	my $eval =
2138	"do {\n"	3431	"do {\n"
2139	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2140	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2141	. $code	3434	. $code
2142	. "\n}"	3435	. "\n}"
2143	;	3436	;
2144		3437
		3438	if ($CFG{safe_eval}) {
2145	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2146	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2147	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2148		3447
2149	if ($@) {	3448	if ($@) {
2150	warn "$@";	3449	warn "$@",
2151	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2152	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2153	}	3452	}
2154		3453
2155	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2156	}	3455	}
2157		3456
…		…
2171	=cut	3470	=cut
2172		3471
2173	sub register_script_function {	3472	sub register_script_function {
2174	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2175		3474
2176	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2177	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2178	}	3477	}
2179		3478
2180	=back	3479	=back
2181		3480
2182	=cut	3481	=cut
2183
2184	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255		3482
2256	#############################################################################	3483	#############################################################################
2257	# the server's init and main functions	3484	# the server's init and main functions
2258		3485
		3486	sub load_facedata($) {
		3487	my ($path) = @_;
		3488
		3489	# HACK to clear player env face cache, we need some signal framework
		3490	# for this (global event?)
		3491	%ext::player_env::MUSIC_FACE_CACHE = ();
		3492
		3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3494
		3495	trace "loading facedata from $path\n";
		3496
		3497	my $facedata = decode_storable load_file $path;
		3498
		3499	$facedata->{version} == 2
		3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3501
		3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3504	$facedata->{resource}{"res/exp_table"} = {
		3505	type => FT_RSRC,
		3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
		3508	};
		3509	cf::cede_to_tick;
		3510
		3511	{
		3512	my $faces = $facedata->{faceinfo};
		3513
		3514	while (my ($face, $info) = each %$faces) {
		3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3516
		3517	cf::face::set_visibility $idx, $info->{visibility};
		3518	cf::face::set_magicmap $idx, $info->{magicmap};
		3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3522
		3523	cf::cede_to_tick;
		3524	}
		3525
		3526	while (my ($face, $info) = each %$faces) {
		3527	next unless $info->{smooth};
		3528
		3529	my $idx = cf::face::find $face
		3530	or next;
		3531
		3532	if (my $smooth = cf::face::find $info->{smooth}) {
		3533	cf::face::set_smooth $idx, $smooth;
		3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3535	} else {
		3536	error "smooth face '$info->{smooth}' not found for face '$face'";
		3537	}
		3538
		3539	cf::cede_to_tick;
		3540	}
		3541	}
		3542
		3543	{
		3544	my $anims = $facedata->{animinfo};
		3545
		3546	while (my ($anim, $info) = each %$anims) {
		3547	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	cf::anim::invalidate_all; # d'oh
		3552	}
		3553
		3554	{
		3555	my $res = $facedata->{resource};
		3556
		3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $info->{type};
		3563	} else {
		3564	$RESOURCE{$name} = $info; # unused
		3565	}
		3566
		3567	cf::cede_to_tick;
		3568	}
		3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3572
		3573	1
		3574	}
		3575
		3576	register_exticmd fx_want => sub {
		3577	my ($ns, $want) = @_;
		3578
		3579	while (my ($k, $v) = each %$want) {
		3580	$ns->fx_want ($k, $v);
		3581	}
		3582	};
		3583
2259	sub load_resources {	3584	sub load_resource_file($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
		3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
		3599	load_resource_file "$MAPDIR/regions"
2261	or die "unable to load regions file\n";#d#	3600	or die "unable to load regions file\n";
2262	}
2263		3601
2264	sub cfg_load {	3602	for (cf::region::list) {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3603	$_->{match} = qr/$_->{match}/
2266	or return;	3604	if exists $_->{match};
		3605	}
		3606	}
2267		3607
2268	local $/;	3608	sub reload_facedata {
2269	*CFG = YAML::Syck::Load <$fh>;	3609	load_facedata "$DATADIR/facedata"
		3610	or die "unable to load facedata\n";
		3611	}
2270		3612
		3613	sub reload_archetypes {
		3614	load_resource_file "$DATADIR/archetypes"
		3615	or die "unable to load archetypes\n";
		3616	}
		3617
		3618	sub reload_treasures {
		3619	load_resource_file "$DATADIR/treasures"
		3620	or die "unable to load treasurelists\n";
		3621	}
		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
		3643	sub reload_resources {
		3644	trace "reloading resource files...\n";
		3645
		3646	reload_exp_table;
		3647	reload_materials;
		3648	reload_facedata;
		3649	reload_sound;
		3650	reload_archetypes;
		3651	reload_regions;
		3652	reload_treasures;
		3653
		3654	trace "finished reloading resource files\n";
		3655	}
		3656
		3657	sub reload_config {
		3658	trace "reloading config file...\n";
		3659
		3660	my $config = load_file "$CONFDIR/config";
		3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
		3663
2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2272		3665
2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2275		3668
2276	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
2280	};	3673	};
2281	warn $@ if $@;	3674	warn $@ if $@;
2282	}	3675	}
2283	}	3676	}
2284		3677
2285	sub init {	3678	sub pidfile() {
2286	load_resources;	3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
2287	}	3704	}
2288		3705
2289	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
2290	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293	(async {	3719	(async {
2294	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
2296	};	3723	};
2297		3724
2298	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
2299	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
2300	load_extensions;	3748	load_extensions;
2301		3749
2302	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
2303	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2304	}	3768	}
2305		3769
2306	#############################################################################	3770	#############################################################################
2307	# initialisation and cleanup	3771	# initialisation and cleanup
2308		3772
2309	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2310	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2319	},
2320	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2321	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2322	}	3869	}
2323		3870
2324	sub emergency_save() {	3871	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2326		3873
2327	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2328		3880
2329	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2330	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2331	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2332	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2334	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3892	$pl->save;
2338	}	3893	}
2339	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2340		3895
2341	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2342	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2343	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2344	$map->valid or next;	3901	$map->valid or next;
2345	$map->save;	3902	$map->save;
2346	}	3903	}
2347	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2348		3905
2349	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2350	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2351	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2352	};	3934	};
2353		3935
2354	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2355	}	3937	}
2356		3938
2357	sub post_cleanup {	3939	sub post_cleanup {
2358	my ($make_core) = @_;	3940	my ($make_core) = @_;
2359		3941
		3942	IO::AIO::flush;
		3943
2360	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3945	if $make_core;
2362	}
2363		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2364	sub reload() {	3976	sub do_reload_perl() {
2365	# can/must only be called in main	3977	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2367	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2368	return;	3980	return;
2369	}	3981	}
2370		3982
2371	warn "reloading...";	3983	return if $RELOAD++;
2372		3984
2373	warn "entering sync_job";	3985	my $t1 = AE::time;
2374		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2375	cf::sync_job {	3993	cf::sync_job {
2376	cf::write_runtime; # external watchdog should not bark
2377	cf::emergency_save;	3994	#cf::emergency_save;
2378	cf::write_runtime; # external watchdog should not bark
2379		3995
2380	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;
2382
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "flushing outstanding aio requests";
2391	for (;;) {
2392	BDB::flush;
2393	IO::AIO::flush;
2394	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";
2397	}
2398
2399	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	3998	%EXT_CORO = ();
2402		3999
2403	warn "removing commands";	4000	trace "perl_reload: removing commands";
2404	%COMMAND = ();	4001	%COMMAND = ();
2405		4002
2406	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2407	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2408		4006
2409	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2412		4010
2413	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2414	eval {	4012	eval {
2415	$cb->($pkg);	4013	$cb->($pkg);
2416	1	4014	1
2417	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2418	}	4020	}
2419		4021
2420	warn "... nuking $pkg";
2421	Symbol::delete_package $pkg;
2422	}
2423
2424	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2425	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427		4025
2428	warn "... unloading $k";	4026	trace "... unloading $k";
2429	delete $INC{$k};	4027	delete $INC{$k};
2430		4028
2431	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2432	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2433		4031
2434	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2435	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2436	}	4037	}
2437		4038
2438	Symbol::delete_package $k;
2439	}
2440
2441	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2442	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444		4042
2445	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447		4046
2448	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2449	# and global variables created in xs	4048	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2451		4050
2452	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2453		4052
2454	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2455	require cf;	4054	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2457		4056
2458	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2459	cf::cfg_load;	4058	cf::reload_config;
2460		4059
2461	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2462	cf::load_extensions;	4061	cf::load_extensions;
2463		4062
		4063	if ($REATTACH_ON_RELOAD) {
2464	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2465	_global_reattach;	4065	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2467	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
		4068	trace "perl_reload: reattaching attachments to players";
		4069	reattach $_ for values %PLAYER;
		4070	}
2468		4071
2469	warn "loading reloadable resources";	4072	cf::_post_init 1;
2470	load_resources;
2471		4073
2472	warn "leaving sync_job";	4074	trace "perl_reload: leaving sync_job";
2473		4075
2474	1	4076	1
2475	} or do {	4077	} or do {
2476	warn $@;	4078	error $@;
2477	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2478	exit 1;	4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2479	};	4102	};
2480		4103	}
2481	warn "reloaded";
2482	};
2483
2484	our $RELOAD_WATCHER; # used only during reload
2485		4104
2486	register_command "reload" => sub {	4105	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2488		4107
2489	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2491		4110	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	4112	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	4113	};
2504	}	4114	}
2505	};	4115	};
2506		4116
2507	unshift @INC, $LIBDIR;	4117	#############################################################################
2508		4118
2509	my $bug_warning = 0;	4119	my $bug_warning = 0;
2510		4120
2511	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2512	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2513	parked => 1,	4123
2514	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2515	at => $NEXT_TICK || $TICK,	4125	}
2516	data => WF_AUTOCANCEL,	4126
2517	cb => sub {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
2518	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2521	return;	4139	return;
2522	}	4140	}
2523		4141
2524	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2525		4143
2526	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2527	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;
2529		4145
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	4150	write_runtime_sync
2534	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2535	};
2536	}	4152	};
		4153	}
2537		4154
2538		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2539	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541		4159
2542	# my $AFTER = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2543	# warn $AFTER - $NOW;#d#	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2544		4162
2545	# if we are delayed by four ticks or more, skip them all	4163	if (0) {
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4164	if ($NEXT_TICK) {
2547		4165	my $jitter = $TICK_START - $NEXT_TICK;
2548	$TICK_WATCHER->at ($NEXT_TICK);	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2549	$TICK_WATCHER->start;	4167	debug "jitter $JITTER\n";#d#
		4168	}
2550	},	4169	}
2551	);	4170	}
2552		4171
2553	{	4172	{
2554	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2555	$BDB_POLL_WATCHER = Event->io (	4174
2556	reentrant => 0,
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2564		4176	BDB::max_poll_reqs $TICK * 0.1;
2565	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
2566	my $status;
2567	my $current = $Coro::current;
2568	(
2569	sub {
2570	$status = $!;
2571	$current->ready; undef $current;
2572	},
2573	sub {
2574	Coro::schedule while defined $current;
2575	$! = $status;
2576	},
2577	)
2578	};
2579		4178
2580	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582		4186
2583	cf::sync_job {	4187	cf::sync_job {
2584	eval {	4188	eval {
2585	BDB::db_env_open	4189	BDB::db_env_open
2586	$DB_ENV,	4190	$DB_ENV,
2587	$BDB_ENV_DIR,	4191	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	4194	0666;
2591		4195
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	4197	};
2597		4198
2598	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	4200	};
2600	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2601	}	4212	}
2602		4213
2603	{	4214	{
		4215	# configure IO::AIO
		4216
2604	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2605
2606	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2609	reentrant => 0,
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	4220	}
		4221
		4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
		4224
		4225	sub _log_backtrace {
		4226	my ($msg, @addr) = @_;
		4227
		4228	$msg =~ s/\n$//;
		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4266	}
		4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2617		4272
2618	END { cf::emergency_save }	4273	END { cf::emergency_save }
2619		4274
2620	1	4275	1
2621		4276

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