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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	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;
59	our $NOW;	138	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		139
62	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
63	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
64
65	our %CFG;
66
67	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;
69
70	our %PLAYER; # all users
71	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		143
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
82	binmode STDOUT;	160	binmode STDOUT;
83	binmode STDERR;	161	binmode STDERR;
84		162
85	# read virtual server time, if available	163	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
90	}	168	}
91		169
92	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	171
94	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		174
99	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
100		176
101	sub cf::map::normalise;	177	sub cf::map::normalise;
102		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
103	#############################################################################	183	#############################################################################
104		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
105	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
106		197
107	=over 4	198	=over 4
108		199
109	=item $cf::UPTIME	200	=item $cf::UPTIME
110		201
111	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.
112		218
113	=item $cf::RUNTIME	219	=item $cf::RUNTIME
114		220
115	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
116	every server tick.	222	every server tick.
117		223
118	=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
119		227
120	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		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
123	=item $cf::NOW	239	=item $cf::LOAD
124		240
125	The time of the last (current) server tick.	241	The raw value load value from the last tick.
126
127	=item $cf::TICK
128
129	The interval between server ticks, in seconds.
130		242
131	=item %cf::CFG	243	=item %cf::CFG
132		244
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	246	from wherever your confdir points to.
135		247
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		249
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
140	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
142		282
143	=back	283	=back
144		284
145	=cut	285	=cut
146		286
147	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
148	*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 {
149	my $msg = join "", @_;	294	my $msg = join "", @_;
150	utf8::encode $msg;
151		295
152	$msg .= "\n"	296	$msg .= "\n"
153	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
154		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
155	LOG llevError, $msg;	301	LOG llevWarn, $msg;
156	};	302	};
157	}	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	};
158		317
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		325
166	# 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
167	# within the Safe compartment.	327	# within the Safe compartment.
168	for my $pkg (qw(	328	for my $pkg (qw(
169	cf::global cf::attachable	329	cf::global cf::attachable
170	cf::object cf::object::player	330	cf::object cf::object::player
171	cf::client cf::player	331	cf::client cf::player
172	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
173	cf::map cf::party cf::region	334	cf::party cf::region
174	)) {	335	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	337	}
178		338
179	$Event::DIED = sub {	339	$EV::DIED = sub {
180	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
181	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
182		349
183	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
184		351
185	=over 4	352	=over 4
186		353
…		…
205	$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;
206	$d	373	$d
207	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
208	}	375	}
209		376
210	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
211		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
212	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
213		392
214	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
215		394
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
224		396
225	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
226		398
227	=cut	399	=cut
228		400
229	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
231	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	}
232	}	466	}
233		467
234	=item cf::lock_wait $string	468	=item cf::lock_wait $string
235		469
236	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
237		471
238	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
239		473
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
243	returned.	477	returned.
244		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
245	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
246	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
247		484
248	=cut	485	=item $locked = cf::lock_active $string
249		486
250	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;
251		492
252	sub lock_wait($) {	493	sub lock_wait($) {
253	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	495	}
261		496
262	sub lock_acquire($) {	497	sub lock_acquire($) {
263	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
264		500
265	# wait, to be sure we are not locked	501	sub lock_active($) {
266	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	503	}
275		504
276	sub freeze_mainloop {	505	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
278		507
279	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
280	$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	}
281	};	578	}
282	$TICK_WATCHER->stop;	579	};
283	$guard	580
		581	sub get_slot($;$$) {
		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;
284	}	594	}
285		595
286	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
287		597
288	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		603
294	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
295		605
296	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
297		607
298	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
299	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
300	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.
301		612
302	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
303	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
304	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
305	fast or be very important.	616	fast or be very important.
…		…
307	=cut	618	=cut
308		619
309	sub sync_job(&) {	620	sub sync_job(&) {
310	my ($job) = @_;	621	my ($job) = @_;
311		622
312	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
313	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
315		628
316	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	630
318	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
319		632
320	my $busy = 1;	633	my $busy = 1;
321	my @res;	634	my @res;
322		635
323	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	638	@res = eval { $job->() };
325	warn $@ if $@;	639	error $@ if $@;
326	undef $busy;	640	undef $busy;
327	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
328		642
329	while ($busy) {	643	while ($busy) {
330	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
331	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
332		654
333	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
334	} else {	656	} else {
335	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
336		658
…		…
356	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
357		679
358	$coro	680	$coro
359	}	681	}
360		682
361	sub write_runtime {	683	=item fork_call { }, @args
362	my $guard = cf::lock_acquire "write_runtime";
363		684
364	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
365		689
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
367	or return;
368		691
369	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
370	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
371	# 60 allows for the watchdog to kill the server.	694	}
372		695
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
374	and return;	697	my ($cb, @args) = @_;
375		698
376	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
377	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
378	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
379		702
380	close $fh	703	my @res = Coro::Util::fork_eval {
381	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
382		707
383	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
384	and return;	709	}
385		710
		711	sub objinfo {
386	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 });
387	}	886	}
388		887
389	=back	888	=back
390		889
391	=cut	890	=cut
392		891
393	#############################################################################	892	#############################################################################
394		893
395	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
396		895
397	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
398	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")
399	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
400		899
401	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>
402	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
403	crossfire+).	902	Deliantra).
404		903
405	=over 4	904	=over 4
406		905
407	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
408		907
…		…
452	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
453		952
454	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
455	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
456		955
457	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		958
460	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
461		960
462	=over 4	961	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
572		1071
573	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1076
578	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
580		1079
581	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
586		1085
587	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1088
590	} elsif (ref $type) {	1089	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
592		1091
593	} else {	1092	} else {
594	shift @arg;	1093	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
596	}	1095	}
597	}	1096	}
598	}	1097	}
599		1098
600	sub _object_attach {	1099	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
611	}	1110	}
612		1111
613	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
614	} else {	1113	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1115	}
617		1116
618	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
619	}	1118	}
620		1119
…		…
622	if (ref $_[0]) {	1121	if (ref $_[0]) {
623	_object_attach @_;	1122	_object_attach @_;
624	} else {	1123	} else {
625	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
626	}	1125	}
		1126	_recalc_want;
627	};	1127	};
628		1128
629	# all those should be optimised	1129	# all those should be optimised
630	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1135	reattach ($obj);
636	} else {	1136	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
638	}	1138	}
		1139	_recalc_want;
639	};	1140	};
640		1141
641	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
643		1144
…		…
658	";	1159	";
659	die if $@;	1160	die if $@;
660	}	1161	}
661		1162
662	our $override;	1163	our $override;
663	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?
664		1165
665	sub override {	1166	sub override {
666	$override = 1;	1167	$override = 1;
667	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
668	}	1169	}
669		1170
670	sub do_invoke {	1171	sub do_invoke {
671	my $event = shift;	1172	my $event = shift;
672	my $callbacks = shift;	1173	my $callbacks = shift;
673		1174
674	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
675		1176
676	local $override;	1177	local $override;
677		1178
678	for (@$callbacks) {	1179	for (@$callbacks) {
679	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
680		1181
681	if ($@) {	1182	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1184	override;
685	}	1185	}
686		1186
687	return 1 if $override;	1187	return 1 if $override;
688	}	1188	}
689		1189
690	0	1190	0
691	}	1191	}
692		1192
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1194
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1196
697	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
698		1198
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1202
703	=back	1203	=back
704		1204
705	=cut	1205	=cut
706		1206
707	#############################################################################	1207	#############################################################################
708	# 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	}
709		1251
710	sub reattach {	1252	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1254	my ($obj) = @_;
713		1255
		1256	# no longer needed after getting rid of delete_package?
714	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
715		1258
716	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
717		1260
718	@$registry = ();	1261	@$registry = ();
719		1262
…		…
724	for (@$attach) {	1267	for (@$attach) {
725	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
727	}	1270	}
728	} else {	1271	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1273	}
731	}	1274	}
732	}	1275	}
733		1276
734	cf::attachable->attach (	1277	cf::attachable->attach (
735	prio => -1000000,	1278	prio => -1000000,
736	on_instantiate => sub {	1279	on_instantiate => sub {
737	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
738		1281
739	$data = from_json $data;	1282	$data = decode_json $data;
740		1283
741	for (@$data) {	1284	for (@$data) {
742	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
743		1286
744	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1303	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
762		1305
763	sync_job {	1306	sync_job {
764	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
767		1312
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1320	aio_close $fh;
773		1321
774	if (@$objs) {	1322	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1331	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
782	}	1333	}
783	} else {	1334	} else {
784	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
785	}	1336	}
786		1337
787	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1342	} else {
789	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
790	}	1344	}
791	} else {	1345	} else {
792	aio_unlink $filename;	1346	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
794	}	1348	}
795	}	1349	};
796	}	1350	}
797		1351
798	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
800		1354
…		…
812	or return;	1366	or return;
813		1367
814	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
816	or return;	1370	or return;
		1371
817	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
818	}	1374	}
819		1375
		1376	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
822	return ($data, $av);	1381	($data, $av)
823	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
824		1389
825	#############################################################################	1390	#############################################################################
826	# command handling &c	1391	# command handling &c
827		1392
828	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1407	}
843		1408
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1410
846	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.
847		1416
848	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
849	called.	1418	called.
850		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
851	=cut	1431	=cut
852		1432
853	sub register_extcmd {	1433	sub register_extcmd {
854	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
855		1435
856	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
857	}	1437	}
858		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
859	cf::player->attach (	1447	cf::player->attach (
860	on_command => sub {	1448	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
862		1450
863	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
864	or return;	1452	or return;
865		1453
…		…
870	cf::override;	1458	cf::override;
871	},	1459	},
872	on_extcmd => sub {	1460	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
874		1462
875	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1464
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
883	} else {	1480	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1482	}
886		1483
887	cf::override;	1484	cf::override;
888	},	1485	},
889	);	1486	);
890		1487
		1488	# "readahead" all extensions
891	sub load_extension {	1489	sub cache_extensions {
892	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
893		1491
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1495	}
919	die $@;
920	}	1496	};
921		1497
922	push @EXTS, $pkg;	1498	$grp
923	}	1499	}
924		1500
925	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
926	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1508	next unless -r $path;
928	eval {	1509
929	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	}
930	1	1573	}
931	} 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	}
932	}	1586	};
933	}	1587	}
934		1588
935	#############################################################################	1589	#############################################################################
936		1590
		1591	=back
		1592
937	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
938		1594
939	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
940		1596
941	=cut	1597	=cut
942		1598
943	package cf::player;	1599	package cf::player;
944		1600
…		…
946		1602
947	=head3 cf::player	1603	=head3 cf::player
948		1604
949	=over 4	1605	=over 4
950		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
951	=item cf::player::find $login	1621	=item cf::player::find $login
952		1622
953	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
954		1624
955	=cut	1625	=cut
956		1626
957	sub playerdir($) {	1627	sub playerdir($) {
958	cf::localdir	1628	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1630	}
964		1631
965	sub path($) {	1632	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1634
968	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
969	}	1636	}
970		1637
971	sub find_active($) {	1638	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
976		1643
977	sub exists($) {	1644	sub exists($) {
978	my ($login) = @_;	1645	my ($login) = @_;
979		1646
980	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
982	}	1649	}
983		1650
984	sub find($) {	1651	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1653	my $login = $_[0];
987		1654
988	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
989		1656
990	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
994	}	1674	}
995	}	1675	}
996	}	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	);
997		1690
998	sub save($) {	1691	sub save($) {
999	my ($pl) = @_;	1692	my ($pl) = @_;
1000		1693
1001	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1007		1700
1008	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1012	Coro::cede;	1710	cf::cede_to_tick;
1013	}	1711	}
1014		1712
1015	sub new($) {	1713	sub new($) {
1016	my ($login) = @_;	1714	my ($login) = @_;
1017		1715
…		…
1023	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1024		1722
1025	$self	1723	$self
1026	}	1724	}
1027		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
1028	=item $pl->quit_character	1736	=item $pl->quit_character
1029		1737
1030	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
1031	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1032		1740
…		…
1036	my ($pl) = @_;	1744	my ($pl) = @_;
1037		1745
1038	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1039		1747
1040	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1041	$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
1042		1750
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1046	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1047		1759
1048	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1080		1792
1081	=cut	1793	=cut
1082		1794
1083	sub list_logins {	1795	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1797	or return [];
1086		1798
1087	my @logins;	1799	my @logins;
1088		1800
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1093		1811
1094	utf8::decode $login;	1812	utf8::decode $login;
1095	push @logins, $login;	1813	push @logins, $login;
1096	}	1814	}
1097		1815
1098	\@logins	1816	\@logins
1099	}	1817	}
1100		1818
1101	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1102		1822
1103	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1104	player. May block.	1824	player. May block.
1105		1825
1106	=cut	1826	=cut
…		…
1124	}	1844	}
1125		1845
1126	\@paths	1846	\@paths
1127	}	1847	}
1128		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1130		1854
1131	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1132		1856
1133	=cut	1857	=cut
1134		1858
1135	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1137		1861
1138	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1863	}
1142		1864
1143	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1144		1907
1145	=back	1908	=back
1146
1147		1909
1148	=head3 cf::map	1910	=head3 cf::map
1149		1911
1150	=over 4	1912	=over 4
1151		1913
…		…
1163	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1165		1927
1166	sub generate_random_map {	1928	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1168	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1169	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1181	)
1182	}	1934	}
1183		1935
1184	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1185		1937
1186	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
…		…
1191		1943
1192	sub register {	1944	sub register {
1193	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1946	my $pkg = caller;
1195		1947
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1949
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1951	}
1201		1952
1202	# also paths starting with '/'	1953	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1955
1205	sub thawer_merge {	1956	sub thawer_merge {
1206	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1207		1958
1208	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1209	local $self->{path};	1960	local $self->{path};
1210	local $self->{load_path};	1961	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1962
1214	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1215	}	1964	}
1216		1965
1217	sub normalise {	1966	sub normalise {
1218	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1219		1968
1220	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1221		1970
1222	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1223		1972
1224	# map plan:	1973	# map plan:
1225	#	1974	#
…		…
1240	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	1990	$path = "$base/$path";
1242	}	1991	}
1243		1992
1244	for ($path) {	1993	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1248	}	1996	}
1249		1997
1250	$path	1998	$path
…		…
1264	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1265	return $self;	2013	return $self;
1266	}	2014	}
1267	}	2015	}
1268		2016
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	2018	()
1271	}	2019	}
1272		2020
		2021	# may re-bless or do other evil things
1273	sub init {	2022	sub init {
1274	my ($self) = @_;	2023	my ($self) = @_;
1275		2024
1276	$self	2025	$self
1277	}	2026	}
…		…
1289		2038
1290	# the original (read-only) location	2039	# the original (read-only) location
1291	sub load_path {	2040	sub load_path {
1292	my ($self) = @_;	2041	my ($self) = @_;
1293		2042
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1295	}	2044	}
1296		2045
1297	# the temporary/swap location	2046	# the temporary/swap location
1298	sub save_path {	2047	sub save_path {
1299	my ($self) = @_;	2048	my ($self) = @_;
1300		2049
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1303	}	2052	}
1304		2053
1305	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1306	sub uniq_path {	2055	sub uniq_path {
1307	my ($self) = @_;	2056	my ($self) = @_;
1308		2057
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1311	}	2060	}
1312		2061
1313	# and all this just because we cannot iterate over	2062	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	2063	my ($self) = @_;
1317		2064
1318	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1320	}	2068	}
1321		2069
1322	sub unlink_save {	2070	sub unlink_save {
1323	my ($self) = @_;	2071	my ($self) = @_;
1324		2072
…		…
1329		2077
1330	sub load_header_from($) {	2078	sub load_header_from($) {
1331	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1332		2080
1333	utf8::encode $path;	2081	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	2083	or return;
1339		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1340	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1341		2092
1342	1	2093	1
1343	}	2094	}
1344		2095
		2096	# used to laod the header of an original map
1345	sub load_header_orig {	2097	sub load_header_orig {
1346	my ($self) = @_;	2098	my ($self) = @_;
1347		2099
1348	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1349	}	2101	}
1350		2102
		2103	# used to laod the header of an instantiated map
1351	sub load_header_temp {	2104	sub load_header_temp {
1352	my ($self) = @_;	2105	my ($self) = @_;
1353		2106
1354	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1355	}	2108	}
1356		2109
		2110	# called after loading the header from an instantiated map
1357	sub prepare_temp {	2111	sub prepare_temp {
1358	my ($self) = @_;	2112	my ($self) = @_;
1359		2113
1360	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1361	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1362	# safety	2116	# safety
1363	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1364	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1365	}	2119	}
1366		2120
		2121	# called after loading the header from an original map
1367	sub prepare_orig {	2122	sub prepare_orig {
1368	my ($self) = @_;	2123	my ($self) = @_;
1369		2124
1370	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1371	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1382	$self->load_header_orig	2137	$self->load_header_orig
1383	or return;	2138	or return;
1384	$self->prepare_orig;	2139	$self->prepare_orig;
1385	}	2140	}
1386		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 $self->default_region;
		2147
1387	1	2148	1
1388	}	2149	}
1389		2150
1390	sub find;	2151	sub find;
1391	sub find {	2152	sub find {
1392	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1393		2154
		2155	cf::cede_to_tick;
		2156
1394	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1395		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2161
1398	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1401	or return;	2164	or return;
1402		2165
1403	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1404		2167
1405	$map->load_header	2168	$map->load_header
1406	or return;	2169	or return;
1407		2170
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1411	$map->reset;	2176	$map->reset;
1412	undef $guard;
1413	return find $path;	2177	return find $path;
1414	}	2178	}
1415		2179
1416	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1417	}	2181	}
1418	}	2182	}
1419		2183
1420	sub pre_load { }	2184	sub pre_load { }
1421	sub post_load { }	2185	#sub post_load { } # XS
1422		2186
1423	sub load {	2187	sub load {
1424	my ($self) = @_;	2188	my ($self) = @_;
1425		2189
1426	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1427		2191
1428	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1430		2196
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1432		2199
1433	$self->in_memory (cf::MAP_LOADING);
1434
1435	$self->alloc;	2200	$self->alloc;
1436		2201
1437	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1438		2204
1439	$self->_load_objects ($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)
1440	or return;	2209	or return;
1441		2210
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1443	if delete $self->{load_original};	2212	if delete $self->{load_original};
1444		2213
1445	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2215	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2218	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1450	}	2223	}
1451	}
1452		2224
1453	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1454		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1455	# now do the right thing for maps	2234	# now do the right thing for maps
1456	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2237	unless $self->difficulty;
1466	Coro::cede;	2238	cf::cede_to_tick;
1467	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1468	}	2250	}
1469		2251
1470	$self->post_load;	2252	$self->post_load;
1471		2253
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1473	}	2255	}
1474		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2260	sub customise_for {
1476	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1477		2262
1478	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2264	if $self->per_player;
1480		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1481	$self	2269	$self
1482	}	2270	}
1483		2271
1484	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2273	sub load_neighbours {
1486	my ($map) = @_;	2274	my ($map) = @_;
1487		2275
1488	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1489		2277
1490	for (0 .. 3) {	2278	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1492	or next;	2280	or next;
1493	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1494	or next;	2282	or next;
1495	$neigh->load;	2283	$neigh->load;
1496		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2289	}
1500		2290
1501	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1503	or next;	2294	or next;
1504	$neigh->load;	2295	$neigh->load;
1505	}	2296	}
1506	}	2297	}
1507		2298
1508	sub find_sync {	2299	sub find_sync {
1509	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1510		2301
1511	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1512	}	2307	}
1513		2308
1514	sub do_load_sync {	2309	sub do_load_sync {
1515	my ($map) = @_;	2310	my ($map) = @_;
1516		2311
1517	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1518	}	2317	}
1519		2318
1520	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1522		2321
1523	sub find_async {	2322	sub find_async {
1524	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1525		2324
1526	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1527		2326
1528	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1530	}	2329	}
1531		2330
1532	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1533	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1534	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2338	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2339	$map->load if $v;
		2340	}
1539		2341
1540	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1541	}	2343	}
1542	}	2344	}
1543	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1544	};	2346	};
1545	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1546		2348
1547	()	2349	()
1548	}	2350	}
1549		2351
		2352	# common code, used by both ->save and ->swapout
1550	sub save {	2353	sub _save {
1551	my ($self) = @_;	2354	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2355
1555	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1556		2357
1557	return unless $self->dirty;	2358	return unless $self->dirty;
1558		2359
…		…
1564	return if $self->{deny_save};	2365	return if $self->{deny_save};
1565		2366
1566	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1567		2368
1568	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1570	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1571		2375
1572	if ($uniq) {	2376	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2379	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2381	}
1578	}	2382	}
1579		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1580	sub swap_out {	2392	sub swap_out {
1581	my ($self) = @_;	2393	my ($self) = @_;
1582		2394
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1588	return if $self->players;	2399	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1592	$self->clear;	2410	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2411	}
1595		2412
1596	sub reset_at {	2413	sub reset_at {
1597	my ($self) = @_;	2414	my ($self) = @_;
1598		2415
1599	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1602		2418
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2421
…		…
1616	my ($self) = @_;	2432	my ($self) = @_;
1617		2433
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2435
1620	return if $self->players;	2436	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2437
1623	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
1624		2439
1625	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1626		2441
1627	# need to save uniques path	2442	# need to save uniques path
1628	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1629	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1630		2445
…		…
1632	if $uniq;	2447	if $uniq;
1633	}	2448	}
1634		2449
1635	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1636		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2454	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2455
1641	$self->unlink_save;	2456	$self->unlink_save;
1642	$self->destroy;	2457	$self->destroy;
1643	}	2458	}
1644		2459
1645	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1646		2461
1647	sub nuke {	2462	sub nuke {
1648	my ($self) = @_;	2463	my ($self) = @_;
1649		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1650	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1651		2469
1652	$self->unlink_save;	2470	$self->unlink_save;
1653		2471
1654	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2477
1660	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1661		2480
1662	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1663	}	2518	}
1664		2519
1665	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1666		2521
1667	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2523	instantiated unique items. May block.
1669		2524
1670	=cut	2525	=cut
1671		2526
1672	sub unique_maps() {	2527	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1674	or return;	2529	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2530	utf8::decode $_;
1680	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2533	? ()
1683	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2536	]
1685
1686	\@paths
1687	}	2537	}
1688		2538
1689	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1690		2570
1691	=back	2571	=back
1692		2572
1693	=head3 cf::object	2573	=head3 cf::object
1694		2574
…		…
1698		2578
1699	=over 4	2579	=over 4
1700		2580
1701	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1702		2582
1703	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1704		2585
1705	=cut	2586	=cut
1706		2587
1707	sub inv_recursive_;	2588	sub inv_recursive_;
1708	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1711		2592
1712	sub inv_recursive {	2593	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1714	}	2595	}
1715		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1716	package cf;	2625	package cf;
1717		2626
1718	=back	2627	=back
1719		2628
1720	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1729		2638
1730	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1731		2654
1732	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2656	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1737		2660
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2662
1740	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1742	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1745	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1746	}	2688	}
1747		2689
1748	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1749		2691
1750	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1763		2705
1764	=item $player_object->enter_link	2706	=item $player_object->enter_link
1765		2707
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2709
1768	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1770		2714
1771	Will never block.	2715	Will never block.
1772		2716
1773	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1774		2718
…		…
1794	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2739	my ($self) = @_;
1796		2740
1797	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1798		2742
		2743	++$self->{_link_recursion};
		2744
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2746
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1803		2749
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2751	}
1806		2752
1807	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1809		2757
1810	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1811		2759
1812	unless ($map) {	2760	unless ($map) {
1813	# restore original map position	2761	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1826		2774
1827	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1830		2778
1831	$map->load;	2779	$map->load;
1832	$map->load_diag;	2780	$map->load_neighbours;
1833		2781
1834	return unless $self->contr->active;	2782	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2783
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
1839	}	2786	# entering was successful
1840		2787	delete $self->{_link_recursion};
1841	cf::player->attach (	2788	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2789	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2790	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2791
1855	# try to abort aborted map switching on player login :)	2792	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2793
1873	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1875	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1876		2808
1877	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2820
1880	$self->enter_link;	2821	$self->enter_link;
1881		2822
1882	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
1883	my $map = eval {	2845	my $map = eval {
1884	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
		2851	} else {
		2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
		2854
1886	$map	2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2861	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1891	})->prio (1);	2869	})->prio (1);
1892	}	2870	}
1893		2871
1894	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1895		2873
…		…
1915	}	2893	}
1916		2894
1917	sub prepare_random_map {	2895	sub prepare_random_map {
1918	my ($exit) = @_;	2896	my ($exit) = @_;
1919		2897
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2900	# that depends on the exit object
1925		2901
1926	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2904	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1933	}	2911	}
1934		2912
1935	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1936		2914
1937	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
1940		2918
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2921	undef $fh;
1944	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
1945		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1948	}	2930	}
1949	}	2931	}
1950		2932
1951	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
1953		2935
1954	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
1955		2937
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2938	$self->enter_link;
1966		2939
1967	(async {	2940	(async {
1968	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
1969	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
1970	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
1971		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
1972	1;	2979	1
1973	}) {	2980	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2985
1979	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2987	$self->leave_link;
1981	}	2988	}
1982	})->prio (1);	2989	})->prio (1);
1983	}	2990	}
1984		2991
…		…
1995		3002
1996	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
1998		3005
1999	utf8::encode $text;	3006	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	3008	}
2002		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
		3197	=item $client->ext_msg ($type, @msg)
		3198
		3199	Sends an ext event to the client.
		3200
		3201	=cut
		3202
		3203	sub cf::client::ext_msg($$@) {
		3204	my ($self, $type, @msg) = @_;
		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
		3209	push @msg, msgtype => "event_$type";
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
		3230	}
2003		3231
2004	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2005		3233
2006	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3237
2010	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3239	become reliable at some point in the future.
2012		3240
2013	=cut	3241	=cut
2014		3242
2015	sub cf::client::query {	3243	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3252	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3254
2027	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2029	}	3259	}
2030		3260
2031	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2032	on_reply => sub {	3267	on_reply => sub {
2033	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2034		3269
2035	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2036	# get handled first	3271	# get handled first
…		…
2048	} else {	3283	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3285	}
2051	}	3286	}
2052	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2053	);	3314	);
2054		3315
2055	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2056		3317
2057	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3334
2074	$coro	3335	$coro
2075	}	3336	}
2076		3337
2077	cf::client->attach (	3338	cf::client->attach (
2078	on_destroy => sub {	3339	on_client_destroy => sub {
2079	my ($ns) = @_;	3340	my ($ns) = @_;
2080		3341
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3343	},
2083	);	3344	);
…		…
2098	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2100		3361
2101	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2102		3363
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2104		3369
2105	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2106		3371
2107	=pod	3372	=pod
2108		3373
2109	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2110		3375
2111	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2112	cf::object::player player	3381	cf::object::player
2113	cf::player peaceful	3382	player
2114	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2115		3389
2116	=cut	3390	=cut
2117		3391
2118	for (	3392	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2123	) {	3399	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3402	for @funs;
2128	}	3403	}
2129		3404
…		…
2144		3419
2145	my $qcode = $code;	3420	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2148		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2149	local $_;	3427	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3428
2152	my $eval =	3429	my $eval =
2153	"do {\n"	3430	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3433	. $code
2157	. "\n}"	3434	. "\n}"
2158	;	3435	;
2159		3436
		3437	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2163		3446
2164	if ($@) {	3447	if ($@) {
2165	warn "$@";	3448	warn "$@",
2166	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2168	}	3451	}
2169		3452
2170	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2171	}	3454	}
2172		3455
…		…
2186	=cut	3469	=cut
2187		3470
2188	sub register_script_function {	3471	sub register_script_function {
2189	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2190		3473
2191	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2193	}	3476	}
2194		3477
2195	=back	3478	=back
2196		3479
2197	=cut	3480	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3481
2271	#############################################################################	3482	#############################################################################
2272	# the server's init and main functions	3483	# the server's init and main functions
2273		3484
2274	sub load_faces {	3485	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3486	my ($path) = @_;
2276		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2277	warn "loading faces from $path\n";	3494	trace "loading facedata from $path\n";
2278		3495
2279	my $faces;	3496	my $facedata = decode_storable load_file $path;
2280	0 < aio_load $path, $faces
2281	or die "$path: $!";
2282		3497
2283	Coro::cede;	3498	$facedata->{version} == 2
2284	$faces = Storable::thaw $faces;	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2285	Coro::cede;
2286		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
		3510	{
		3511	my $faces = $facedata->{faceinfo};
		3512
2287	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3515
		3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524
		3525	while (my ($face, $info) = each %$faces) {
		3526	next unless $info->{smooth};
		3527
		3528	my $idx = cf::face::find $face
		3529	or next;
		3530
		3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
2292	}	3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3571
2294	1	3572	1
2295	}	3573	}
2296		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
		3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
		3605	}
		3606
		3607	sub reload_facedata {
		3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
		3611
		3612	sub reload_archetypes {
		3613	load_resource_file "$DATADIR/archetypes"
		3614	or die "unable to load archetypes\n";
		3615	}
		3616
		3617	sub reload_treasures {
		3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
2297	sub reload_resources {	3642	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3643	trace "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3644
		3645	reload_exp_table;
		3646	reload_materials;
2300	load_faces	3647	reload_facedata;
2301	or die "unable to load faces\n";#d#	3648	reload_sound;
2302	}	3649	reload_archetypes;
2303
2304	sub init {
2305	reload_resources;	3650	reload_regions;
2306	}	3651	reload_treasures;
2307		3652
2308	sub cfg_load {	3653	trace "finished reloading resource files\n";
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3654	}
2310	or return;
2311		3655
2312	local $/;	3656	sub reload_config {
2313	*CFG = YAML::Syck::Load <$fh>;	3657	trace "reloading config file...\n";
2314		3658
		3659	my $config = load_file "$CONFDIR/config";
		3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
		3662
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2316		3664
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2319		3667
2320	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2324	};	3672	};
2325	warn $@ if $@;	3673	warn $@ if $@;
2326	}	3674	}
2327	}	3675	}
2328		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2329	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2330	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3718	(async {
2334	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2336	};	3722	};
2337		3723
2338	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
2339	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2340	load_extensions;	3747	load_extensions;
2341		3748
2342	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2343	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2344	}	3767	}
2345		3768
2346	#############################################################################	3769	#############################################################################
2347	# initialisation and cleanup	3770	# initialisation and cleanup
2348		3771
2349	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2350	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2359	},
2360	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2361	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2362	}	3868	}
2363		3869
2364	sub emergency_save() {	3870	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2366		3872
2367	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2368		3879
2369	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2370	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2371	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2372	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2374	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3891	$pl->save;
2378	}	3892	}
2379	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2380		3894
2381	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2382	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2383	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2384	$map->valid or next;	3900	$map->valid or next;
2385	$map->save;	3901	$map->save;
2386	}	3902	}
2387	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2388		3904
2389	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2392	};	3933	};
2393		3934
2394	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2395	}	3936	}
2396		3937
2397	sub post_cleanup {	3938	sub post_cleanup {
2398	my ($make_core) = @_;	3939	my ($make_core) = @_;
2399		3940
		3941	IO::AIO::flush;
		3942
2400	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3944	if $make_core;
2402	}
2403		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
		3973	}
		3974
2404	sub reload() {	3975	sub do_reload_perl() {
2405	# can/must only be called in main	3976	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2407	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2408	return;	3979	return;
2409	}	3980	}
2410		3981
2411	warn "reloading...";	3982	return if $RELOAD++;
2412		3983
2413	warn "entering sync_job";	3984	my $t1 = AE::time;
2414		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
2415	cf::sync_job {	3992	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark
2417	cf::emergency_save;	3993	#cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark
2419		3994
2420	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;
2422
2423	# if anything goes wrong in here, we should simply crash as we already saved
2424
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;
2436	warn "iterate...";
2437	}
2438
2439	++$RELOAD;
2440
2441	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2442	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2443	%EXT_CORO = ();	3997	%EXT_CORO = ();
2444		3998
2445	warn "removing commands";	3999	trace "perl_reload: removing commands";
2446	%COMMAND = ();	4000	%COMMAND = ();
2447		4001
2448	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2449	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2450		4005
2451	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2454		4009
2455	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2456	eval {	4011	eval {
2457	$cb->($pkg);	4012	$cb->($pkg);
2458	1	4013	1
2459	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2460	}	4019	}
2461		4020
2462	warn "... nuking $pkg";
2463	Symbol::delete_package $pkg;
2464	}
2465
2466	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2467	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		4024
2470	warn "... unloading $k";	4025	trace "... unloading $k";
2471	delete $INC{$k};	4026	delete $INC{$k};
2472		4027
2473	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2475		4030
2476	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2477	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2478	}	4036	}
2479		4037
2480	Symbol::delete_package $k;
2481	}
2482
2483	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		4041
2487	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2489		4045
2490	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2491	# and global variables created in xs	4047	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2493		4049
2494	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2495		4051
2496	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2497	require cf;	4053	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2499		4055
2500	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2501	cf::cfg_load;	4057	cf::reload_config;
2502		4058
2503	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2504	cf::load_extensions;	4060	cf::load_extensions;
2505		4061
		4062	if ($REATTACH_ON_RELOAD) {
2506	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2509	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
2512		4070
2513	warn "loading reloadable resources";	4071	cf::_post_init 1;
2514	reload_resources;
2515		4072
2516	warn "leaving sync_job";	4073	trace "perl_reload: leaving sync_job";
2517		4074
2518	1	4075	1
2519	} or do {	4076	} or do {
2520	warn $@;	4077	error $@;
2521	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2522	exit 1;	4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2523	};	4101	};
2524		4102	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		4103
2530	register_command "reload" => sub {	4104	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2532		4106
2533	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
2535		4109	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	4110	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	4111	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	4112	};
2548	}	4113	}
2549	};	4114	};
2550		4115
2551	unshift @INC, $LIBDIR;	4116	#############################################################################
2552		4117
2553	my $bug_warning = 0;	4118	my $bug_warning = 0;
2554		4119
2555	$TICK_WATCHER = Event->timer (	4120	sub wait_for_tick() {
2556	reentrant => 0,	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2557	parked => 1,	4122
2558	prio => 0,	4123	$WAIT_FOR_TICK->wait;
2559	at => $NEXT_TICK || $TICK,	4124	}
2560	data => WF_AUTOCANCEL,	4125
2561	cb => sub {	4126	sub wait_for_tick_begin() {
		4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4128
		4129	my $signal = new Coro::Signal;
		4130	push @WAIT_FOR_TICK_BEGIN, $signal;
		4131	$signal->wait;
		4132	}
		4133
		4134	sub tick {
2562	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2565	return;	4138	return;
2566	}	4139	}
2567		4140
2568	$NOW = Event::time;	4141	cf::one_tick; # one server iteration
2569		4142
2570	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		4144
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	4149	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	4150	or error "ERROR: unable to write runtime file: $!";
2579	};
2580	}	4151	};
		4152	}
2581		4153
		4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4155	$sig->send;
		4156	}
2582	$WAIT_FOR_TICK->broadcast;	4157	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584		4158
2585	# my $AFTER = Event::time;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2586	# warn $AFTER - $NOW;#d#	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2587		4161
2588	# if we are delayed by four ticks or more, skip them all	4162	if (0) {
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4163	if ($NEXT_TICK) {
2590		4164	my $jitter = $TICK_START - $NEXT_TICK;
2591	$TICK_WATCHER->at ($NEXT_TICK);	4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2592	$TICK_WATCHER->start;	4166	debug "jitter $JITTER\n";#d#
		4167	}
2593	},	4168	}
2594	);	4169	}
2595		4170
2596	{	4171	{
2597	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	4173
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
2607		4175	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		4177
2623	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		4185
2626	cf::sync_job {	4186	cf::sync_job {
2627	eval {	4187	eval {
2628	BDB::db_env_open	4188	BDB::db_env_open
2629	$DB_ENV,	4189	$DB_ENV,
2630	$BDB_ENV_DIR,	4190	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	4193	0666;
2634		4194
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	4196	};
2640		4197
2641	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	4199	};
2643	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
2644	}	4211	}
2645		4212
2646	{	4213	{
		4214	# configure IO::AIO
		4215
2647	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	4219	}
		4220
		4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
		4223
		4224	sub _log_backtrace {
		4225	my ($msg, @addr) = @_;
		4226
		4227	$msg =~ s/\n$//;
		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
		4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4265	}
		4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2660		4271
2661	END { cf::emergency_save }	4272	END { cf::emergency_save }
2662		4273
2663	1	4274	1
2664		4275

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