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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
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 YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	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";
34	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
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98
59	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(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	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;
62	our $NOW;	138	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		139
65	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		143
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
85	binmode STDOUT;	160	binmode STDOUT;
86	binmode STDERR;	161	binmode STDERR;
87		162
88	# read virtual server time, if available	163	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
93	}	168	}
94		169
95	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	171
97	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		174
102	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
103		176
104	sub cf::map::normalise;	177	sub cf::map::normalise;
105		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
106	#############################################################################	183	#############################################################################
107		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
108	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
109		197
110	=over 4	198	=over 4
111		199
112	=item $cf::UPTIME	200	=item $cf::UPTIME
113		201
114	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.
115		218
116	=item $cf::RUNTIME	219	=item $cf::RUNTIME
117		220
118	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
119	every server tick.	222	every server tick.
120		223
121	=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
122		227
123	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		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
126	=item $cf::NOW	239	=item $cf::LOAD
127		240
128	The time of the last (current) server tick.	241	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		242
134	=item %cf::CFG	243	=item %cf::CFG
135		244
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	246	from wherever your confdir points to.
138		247
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		249
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
145		282
146	=back	283	=back
147		284
148	=cut	285	=cut
149		286
150	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	294	my $msg = join "", @_;
153	utf8::encode $msg;
154		295
155	$msg .= "\n"	296	$msg .= "\n"
156	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
157		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
158	LOG llevError, $msg;	301	LOG llevWarn, $msg;
159	};	302	};
160	}	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	};
161		317
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		325
169	# 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
170	# within the Safe compartment.	327	# within the Safe compartment.
171	for my $pkg (qw(	328	for my $pkg (qw(
172	cf::global cf::attachable	329	cf::global cf::attachable
173	cf::object cf::object::player	330	cf::object cf::object::player
174	cf::client cf::player	331	cf::client cf::player
175	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
176	cf::map cf::party cf::region	334	cf::party cf::region
177	)) {	335	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	337	}
181		338
182	$Event::DIED = sub {	339	$EV::DIED = sub {
183	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
184	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
185		349
186	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
187		351
188	=over 4	352	=over 4
189		353
…		…
208	$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;
209	$d	373	$d
210	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
211	}	375	}
212		376
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
214		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
215	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
216		392
217	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
218		394
219	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
220		396
221	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
222		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
223	=item cf::lock_wait $string	468	=item cf::lock_wait $string
224		469
225	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
226		471
227	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
228		473
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
232	returned.	477	returned.
233		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
234	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
235	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
236		484
237	=cut	485	=item $locked = cf::lock_active $string
238		486
239	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;
240		492
241	sub lock_wait($) {	493	sub lock_wait($) {
242	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	495	}
250		496
251	sub lock_acquire($) {	497	sub lock_acquire($) {
252	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
253		500
254	# wait, to be sure we are not locked	501	sub lock_active($) {
255	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	503	}
264		504
265	sub freeze_mainloop {	505	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
267		507
268	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
269	$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	}
270	};	578	}
271	$TICK_WATCHER->stop;	579	};
272	$guard	580
		581	sub get_slot($;$$) {
		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;
273	}	594	}
274		595
275	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
276		597
277	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		603
283	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
284		605
285	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
286		607
287	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
288	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
289	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.
290		612
291	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
292	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
293	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
294	fast or be very important.	616	fast or be very important.
…		…
296	=cut	618	=cut
297		619
298	sub sync_job(&) {	620	sub sync_job(&) {
299	my ($job) = @_;	621	my ($job) = @_;
300		622
301	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
302	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
304		628
305	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	630
307	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
308		632
309	my $busy = 1;	633	my $busy = 1;
310	my @res;	634	my @res;
311		635
312	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	638	@res = eval { $job->() };
314	warn $@ if $@;	639	error $@ if $@;
315	undef $busy;	640	undef $busy;
316	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
317		642
318	while ($busy) {	643	while ($busy) {
319	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
320	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
321		654
322	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
323	} else {	656	} else {
324	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
325		658
…		…
345	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
346		679
347	$coro	680	$coro
348	}	681	}
349		682
350	sub write_runtime {	683	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		684
353	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.
354		689
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
356	or return;
357		691
358	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
360	# 60 allows for the watchdog to kill the server.	694	}
361		695
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
363	and return;	697	my ($cb, @args) = @_;
364		698
365	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
367	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
368		702
369	close $fh	703	my @res = Coro::Util::fork_eval {
370	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
371		707
372	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
373	and return;	709	}
374		710
		711	sub objinfo {
375	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 });
376	}	886	}
377		887
378	=back	888	=back
379		889
380	=cut	890	=cut
381		891
382	#############################################################################	892	#############################################################################
383		893
384	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
385		895
386	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
387	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")
388	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
389		899
390	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>
391	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
392	crossfire+).	902	Deliantra).
393		903
394	=over 4	904	=over 4
395		905
396	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
397		907
…		…
441	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
442		952
443	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
444	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
445		955
446	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
447	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.
448		958
449	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
450		960
451	=over 4	961	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
561		1071
562	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		1076
567	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
569		1079
570	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
575		1085
576	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
577	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
578		1088
579	} elsif (ref $type) {	1089	} elsif (ref $type) {
580	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
581		1091
582	} else {	1092	} else {
583	shift @arg;	1093	shift @arg;
584	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
585	}	1095	}
586	}	1096	}
587	}	1097	}
588		1098
589	sub _object_attach {	1099	sub _object_attach {
…		…
599	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
600	}	1110	}
601		1111
602	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
603	} else {	1113	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
605	}	1115	}
606		1116
607	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
608	}	1118	}
609		1119
…		…
611	if (ref $_[0]) {	1121	if (ref $_[0]) {
612	_object_attach @_;	1122	_object_attach @_;
613	} else {	1123	} else {
614	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
615	}	1125	}
		1126	_recalc_want;
616	};	1127	};
617		1128
618	# all those should be optimised	1129	# all those should be optimised
619	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
624	reattach ($obj);	1135	reattach ($obj);
625	} else {	1136	} else {
626	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
627	}	1138	}
		1139	_recalc_want;
628	};	1140	};
629		1141
630	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
632		1144
…		…
647	";	1159	";
648	die if $@;	1160	die if $@;
649	}	1161	}
650		1162
651	our $override;	1163	our $override;
652	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?
653		1165
654	sub override {	1166	sub override {
655	$override = 1;	1167	$override = 1;
656	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
657	}	1169	}
658		1170
659	sub do_invoke {	1171	sub do_invoke {
660	my $event = shift;	1172	my $event = shift;
661	my $callbacks = shift;	1173	my $callbacks = shift;
662		1174
663	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
664		1176
665	local $override;	1177	local $override;
666		1178
667	for (@$callbacks) {	1179	for (@$callbacks) {
668	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
669		1181
670	if ($@) {	1182	if ($@) {
671	warn "$@";
672	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
673	override;	1184	override;
674	}	1185	}
675		1186
676	return 1 if $override;	1187	return 1 if $override;
677	}	1188	}
678		1189
679	0	1190	0
680	}	1191	}
681		1192
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1194
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1196
686	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
687		1198
688	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
689	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
690	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1202
692	=back	1203	=back
693		1204
694	=cut	1205	=cut
695		1206
696	#############################################################################	1207	#############################################################################
697	# 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	}
698		1251
699	sub reattach {	1252	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1254	my ($obj) = @_;
702		1255
		1256	# no longer needed after getting rid of delete_package?
703	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
704		1258
705	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
706		1260
707	@$registry = ();	1261	@$registry = ();
708		1262
…		…
713	for (@$attach) {	1267	for (@$attach) {
714	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
715	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
716	}	1270	}
717	} else {	1271	} else {
718	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
719	}	1273	}
720	}	1274	}
721	}	1275	}
722		1276
723	cf::attachable->attach (	1277	cf::attachable->attach (
724	prio => -1000000,	1278	prio => -1000000,
725	on_instantiate => sub {	1279	on_instantiate => sub {
726	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
727		1281
728	$data = from_json $data;	1282	$data = decode_json $data;
729		1283
730	for (@$data) {	1284	for (@$data) {
731	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
732		1286
733	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1303	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
751		1305
752	sync_job {	1306	sync_job {
753	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
756		1312
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	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	}
761	close $fh;	1320	aio_close $fh;
762		1321
763	if (@$objs) {	1322	if (@$objs) {
764	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) {
765	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
768	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	}
769	close $fh;	1331	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
771	}	1333	}
772	} else {	1334	} else {
773	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
774	}	1336	}
775		1337
776	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
777	} else {	1342	} else {
778	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
779	}	1344	}
780	} else {	1345	} else {
781	aio_unlink $filename;	1346	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
783	}	1348	}
784	}	1349	};
785	}	1350	}
786		1351
787	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
789		1354
…		…
801	or return;	1366	or return;
802		1367
803	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
805	or return;	1370	or return;
		1371
806	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
807	}	1374	}
808		1375
		1376	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
811	return ($data, $av);	1381	($data, $av)
812	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
813		1389
814	#############################################################################	1390	#############################################################################
815	# command handling &c	1391	# command handling &c
816		1392
817	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1407	}
832		1408
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1410
835	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.
836		1416
837	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
838	called.	1418	called.
839		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
840	=cut	1431	=cut
841		1432
842	sub register_extcmd {	1433	sub register_extcmd {
843	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
844		1435
845	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
846	}	1437	}
847		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
848	cf::player->attach (	1447	cf::player->attach (
849	on_command => sub {	1448	on_unknown_command => sub {
850	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
851		1450
852	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
853	or return;	1452	or return;
854		1453
…		…
859	cf::override;	1458	cf::override;
860	},	1459	},
861	on_extcmd => sub {	1460	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
863		1462
864	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1464
866	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
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
872	} else {	1480	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1482	}
875		1483
876	cf::override;	1484	cf::override;
877	},	1485	},
878	);	1486	);
879		1487
		1488	# "readahead" all extensions
880	sub load_extension {	1489	sub cache_extensions {
881	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
882		1491
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
885	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}	1495	}
908	die $@;
909	}	1496	};
910		1497
911	push @EXTS, $pkg;	1498	$grp
912	}	1499	}
913		1500
914	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
915	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1508	next unless -r $path;
917	eval {	1509
918	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	}
919	1	1573	}
920	} 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	}
921	}	1586	};
922	}	1587	}
923		1588
924	#############################################################################	1589	#############################################################################
925		1590
		1591	=back
		1592
926	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
927		1594
928	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
929		1596
930	=cut	1597	=cut
931		1598
932	package cf::player;	1599	package cf::player;
933		1600
…		…
935		1602
936	=head3 cf::player	1603	=head3 cf::player
937		1604
938	=over 4	1605	=over 4
939		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
940	=item cf::player::find $login	1621	=item cf::player::find $login
941		1622
942	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
943		1624
944	=cut	1625	=cut
945		1626
946	sub playerdir($) {	1627	sub playerdir($) {
947	cf::localdir	1628	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1630	}
953		1631
954	sub path($) {	1632	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1634
957	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
958	}	1636	}
959		1637
960	sub find_active($) {	1638	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
965		1643
966	sub exists($) {	1644	sub exists($) {
967	my ($login) = @_;	1645	my ($login) = @_;
968		1646
969	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
970	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
971	}	1649	}
972		1650
973	sub find($) {	1651	sub find($) {
974	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
975	my $login = $_[0];	1653	my $login = $_[0];
976		1654
977	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
978		1656
979	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
980	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
981	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;
982	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
983	}	1674	}
984	}	1675	}
985	}	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	);
986		1690
987	sub save($) {	1691	sub save($) {
988	my ($pl) = @_;	1692	my ($pl) = @_;
989		1693
990	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
995	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
996		1700
997	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
999		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
1000	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1001	Coro::cede;	1710	cf::cede_to_tick;
1002	}	1711	}
1003		1712
1004	sub new($) {	1713	sub new($) {
1005	my ($login) = @_;	1714	my ($login) = @_;
1006		1715
…		…
1012	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1013		1722
1014	$self	1723	$self
1015	}	1724	}
1016		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
1017	=item $pl->quit_character	1736	=item $pl->quit_character
1018		1737
1019	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
1020	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1021		1740
…		…
1025	my ($pl) = @_;	1744	my ($pl) = @_;
1026		1745
1027	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1028		1747
1029	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1030	$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
1031		1750
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1033	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1035	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1036		1759
1037	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1039	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1068	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1069		1792
1070	=cut	1793	=cut
1071		1794
1072	sub list_logins {	1795	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1797	or return [];
1075		1798
1076	my @logins;	1799	my @logins;
1077		1800
1078	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") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1082		1811
1083	utf8::decode $login;	1812	utf8::decode $login;
1084	push @logins, $login;	1813	push @logins, $login;
1085	}	1814	}
1086		1815
1087	\@logins	1816	\@logins
1088	}	1817	}
1089		1818
1090	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1091		1822
1092	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1093	player. May block.	1824	player. May block.
1094		1825
1095	=cut	1826	=cut
…		…
1113	}	1844	}
1114		1845
1115	\@paths	1846	\@paths
1116	}	1847	}
1117		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1119		1854
1120	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1121		1856
1122	=cut	1857	=cut
1123		1858
1124	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1126		1861
1127	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1863	}
1131		1864
1132	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1133		1907
1134	=back	1908	=back
1135
1136		1909
1137	=head3 cf::map	1910	=head3 cf::map
1138		1911
1139	=over 4	1912	=over 4
1140		1913
…		…
1152	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1154		1927
1155	sub generate_random_map {	1928	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1157	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1158	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162	$rmp->{exit_on_final_map},
1163	$rmp->{xsize}, $rmp->{ysize},
1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1169	(cf::region::find $rmp->{region}), $rmp->{custom}
1170	)
1171	}	1934	}
1172		1935
1173	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1174		1937
1175	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
…		…
1180		1943
1181	sub register {	1944	sub register {
1182	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1183	my $pkg = caller;	1946	my $pkg = caller;
1184		1947
1185	no strict;
1186	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1187		1949
1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1189	}	1951	}
1190		1952
1191	# also paths starting with '/'	1953	# also paths starting with '/'
1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1193		1955
1194	sub thawer_merge {	1956	sub thawer_merge {
1195	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1196		1958
1197	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1198	local $self->{path};	1960	local $self->{path};
1199	local $self->{load_path};	1961	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1962
1203	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1204	}	1964	}
1205		1965
1206	sub normalise {	1966	sub normalise {
1207	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1208		1968
1209	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1210		1970
1211	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1212		1972
1213	# map plan:	1973	# map plan:
1214	#	1974	#
…		…
1229	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1230	$path = "$base/$path";	1990	$path = "$base/$path";
1231	}	1991	}
1232		1992
1233	for ($path) {	1993	for ($path) {
1234	redo if s{//}{/};
1235	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1236	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1237	}	1996	}
1238		1997
1239	$path	1998	$path
…		…
1253	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1254	return $self;	2013	return $self;
1255	}	2014	}
1256	}	2015	}
1257		2016
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1259	()	2018	()
1260	}	2019	}
1261		2020
		2021	# may re-bless or do other evil things
1262	sub init {	2022	sub init {
1263	my ($self) = @_;	2023	my ($self) = @_;
1264		2024
1265	$self	2025	$self
1266	}	2026	}
…		…
1278		2038
1279	# the original (read-only) location	2039	# the original (read-only) location
1280	sub load_path {	2040	sub load_path {
1281	my ($self) = @_;	2041	my ($self) = @_;
1282		2042
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1284	}	2044	}
1285		2045
1286	# the temporary/swap location	2046	# the temporary/swap location
1287	sub save_path {	2047	sub save_path {
1288	my ($self) = @_;	2048	my ($self) = @_;
1289		2049
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1292	}	2052	}
1293		2053
1294	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1295	sub uniq_path {	2055	sub uniq_path {
1296	my ($self) = @_;	2056	my ($self) = @_;
1297		2057
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1300	}	2060	}
1301		2061
1302	# and all this just because we cannot iterate over	2062	sub decay_objects {
1303	# all maps in C++...
1304	sub change_all_map_light {
1305	my ($change) = @_;	2063	my ($self) = @_;
1306		2064
1307	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1308	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1309	}	2068	}
1310		2069
1311	sub unlink_save {	2070	sub unlink_save {
1312	my ($self) = @_;	2071	my ($self) = @_;
1313		2072
…		…
1318		2077
1319	sub load_header_from($) {	2078	sub load_header_from($) {
1320	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1321		2080
1322	utf8::encode $path;	2081	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	2083	or return;
1328		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1329	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1330		2092
1331	1	2093	1
1332	}	2094	}
1333		2095
		2096	# used to laod the header of an original map
1334	sub load_header_orig {	2097	sub load_header_orig {
1335	my ($self) = @_;	2098	my ($self) = @_;
1336		2099
1337	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1338	}	2101	}
1339		2102
		2103	# used to laod the header of an instantiated map
1340	sub load_header_temp {	2104	sub load_header_temp {
1341	my ($self) = @_;	2105	my ($self) = @_;
1342		2106
1343	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1344	}	2108	}
1345		2109
		2110	# called after loading the header from an instantiated map
1346	sub prepare_temp {	2111	sub prepare_temp {
1347	my ($self) = @_;	2112	my ($self) = @_;
1348		2113
1349	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1350	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1351	# safety	2116	# safety
1352	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1353	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1354	}	2119	}
1355		2120
		2121	# called after loading the header from an original map
1356	sub prepare_orig {	2122	sub prepare_orig {
1357	my ($self) = @_;	2123	my ($self) = @_;
1358		2124
1359	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1360	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1371	$self->load_header_orig	2137	$self->load_header_orig
1372	or return;	2138	or return;
1373	$self->prepare_orig;	2139	$self->prepare_orig;
1374	}	2140	}
1375		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 $self->default_region;
		2147
1376	1	2148	1
1377	}	2149	}
1378		2150
1379	sub find;	2151	sub find;
1380	sub find {	2152	sub find {
1381	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1382		2154
		2155	cf::cede_to_tick;
		2156
1383	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1384		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2161
1387	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1390	or return;	2164	or return;
1391		2165
1392	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1393		2167
1394	$map->load_header	2168	$map->load_header
1395	or return;	2169	or return;
1396		2170
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1400	$map->reset;	2176	$map->reset;
1401	undef $guard;
1402	return find $path;	2177	return find $path;
1403	}	2178	}
1404		2179
1405	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1406	}	2181	}
1407	}	2182	}
1408		2183
1409	sub pre_load { }	2184	sub pre_load { }
1410	sub post_load { }	2185	#sub post_load { } # XS
1411		2186
1412	sub load {	2187	sub load {
1413	my ($self) = @_;	2188	my ($self) = @_;
1414		2189
1415	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1416		2191
1417	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1419		2196
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1421		2199
1422	$self->in_memory (cf::MAP_LOADING);
1423
1424	$self->alloc;	2200	$self->alloc;
1425		2201
1426	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1427		2204
1428	$self->_load_objects ($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)
1429	or return;	2209	or return;
1430		2210
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1432	if delete $self->{load_original};	2212	if delete $self->{load_original};
1433		2213
1434	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2215	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2218	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1439	}	2223	}
1440	}
1441		2224
1442	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1443		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1444	# now do the right thing for maps	2234	# now do the right thing for maps
1445	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2237	unless $self->difficulty;
1455	Coro::cede;	2238	cf::cede_to_tick;
1456	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1457	}	2251	}
1458		2252
1459	$self->post_load;	2253	$self->post_load;
1460		2254
1461	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1462	}	2256	}
1463		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2261	sub customise_for {
1465	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1466		2263
1467	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2265	if $self->per_player;
1469		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1470	$self	2270	$self
1471	}	2271	}
1472		2272
1473	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2274	sub load_neighbours {
1475	my ($map) = @_;	2275	my ($map) = @_;
1476		2276
1477	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1478		2278
1479	for (0 .. 3) {	2279	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1481	or next;	2281	or next;
1482	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1483	or next;	2283	or next;
1484	$neigh->load;	2284	$neigh->load;
1485		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2290	}
1489		2291
1490	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1492	or next;	2295	or next;
1493	$neigh->load;	2296	$neigh->load;
1494	}	2297	}
1495	}	2298	}
1496		2299
1497	sub find_sync {	2300	sub find_sync {
1498	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1499		2302
1500	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1501	}	2308	}
1502		2309
1503	sub do_load_sync {	2310	sub do_load_sync {
1504	my ($map) = @_;	2311	my ($map) = @_;
1505		2312
1506	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1507	}	2318	}
1508		2319
1509	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1511		2322
1512	sub find_async {	2323	sub find_async {
1513	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1514		2325
1515	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1516		2327
1517	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1519	}	2330	}
1520		2331
1521	undef $MAP_PREFETCH{$path};	2332	$MAP_PREFETCH{$path} |= $load;
		2333
1522	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1523	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2339	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2340	$map->load if $v;
		2341	}
1528		2342
1529	delete $MAP_PREFETCH{$path};	2343	delete $MAP_PREFETCH{$k};
1530	}	2344	}
1531	}	2345	}
1532	undef $MAP_PREFETCHER;	2346	undef $MAP_PREFETCHER;
1533	};	2347	};
1534	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1535		2349
1536	()	2350	()
1537	}	2351	}
1538		2352
		2353	# common code, used by both ->save and ->swapout
1539	sub save {	2354	sub _save {
1540	my ($self) = @_;	2355	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2356
1544	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1545		2358
1546	return unless $self->dirty;	2359	return unless $self->dirty;
1547		2360
…		…
1553	return if $self->{deny_save};	2366	return if $self->{deny_save};
1554		2367
1555	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1556		2369
1557	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
1559	};	2373	};
		2374
		2375	cf::get_slot 0.02;
1560		2376
1561	if ($uniq) {	2377	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2380	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2382	}
1567	}	2383	}
1568		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
1569	sub swap_out {	2393	sub swap_out {
1570	my ($self) = @_;	2394	my ($self) = @_;
1571		2395
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
1577	return if $self->players;	2400	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
1581	$self->clear;	2411	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2412	}
1584		2413
1585	sub reset_at {	2414	sub reset_at {
1586	my ($self) = @_;	2415	my ($self) = @_;
1587		2416
1588	# TODO: safety, remove and allow resettable per-player maps	2417	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2418	return 1e99 if $self->{deny_reset};
1591		2419
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2422
…		…
1605	my ($self) = @_;	2433	my ($self) = @_;
1606		2434
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2436
1609	return if $self->players;	2437	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2438
1612	warn "resetting map ", $self->path;#d#	2439	cf::trace "resetting map ", $self->path, "\n";
1613		2440
1614	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
1615		2442
1616	# need to save uniques path	2443	# need to save uniques path
1617	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
1618	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
1619		2446
…		…
1621	if $uniq;	2448	if $uniq;
1622	}	2449	}
1623		2450
1624	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
1625		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2455	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2456
1630	$self->unlink_save;	2457	$self->unlink_save;
1631	$self->destroy;	2458	$self->destroy;
1632	}	2459	}
1633		2460
1634	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
1635		2462
1636	sub nuke {	2463	sub nuke {
1637	my ($self) = @_;	2464	my ($self) = @_;
1638		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
1639	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
1640		2470
1641	$self->unlink_save;	2471	$self->unlink_save;
1642		2472
1643	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
1644	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2478
1649	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
1650		2481
1651	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
		2483	}
		2484
		2485	=item $maps = cf::map::tmp_maps
		2486
		2487	Returns an arrayref with all map paths of currently instantiated and saved
		2488	maps. May block.
		2489
		2490	=cut
		2491
		2492	sub tmp_maps() {
		2493	[
		2494	map {
		2495	utf8::decode $_;
		2496	/\.map$/
		2497	? normalise $_
		2498	: ()
		2499	} @{ aio_readdir $TMPDIR or [] }
		2500	]
		2501	}
		2502
		2503	=item $maps = cf::map::random_maps
		2504
		2505	Returns an arrayref with all map paths of currently instantiated and saved
		2506	random maps. May block.
		2507
		2508	=cut
		2509
		2510	sub random_maps() {
		2511	[
		2512	map {
		2513	utf8::decode $_;
		2514	/\.map$/
		2515	? normalise "?random/$_"
		2516	: ()
		2517	} @{ aio_readdir $RANDOMDIR or [] }
		2518	]
1652	}	2519	}
1653		2520
1654	=item cf::map::unique_maps	2521	=item cf::map::unique_maps
1655		2522
1656	Returns an arrayref of paths of all shared maps that have	2523	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2524	instantiated unique items. May block.
1658		2525
1659	=cut	2526	=cut
1660		2527
1661	sub unique_maps() {	2528	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2529	[
1663	or return;	2530	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2531	utf8::decode $_;
1669	next if /\.pst$/;	2532	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2534	? ()
1672	push @paths, cf::map::normalise $_;	2535	: normalise $_
		2536	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2537	]
1674
1675	\@paths
1676	}	2538	}
1677		2539
1678	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
1679		2571
1680	=back	2572	=back
1681		2573
1682	=head3 cf::object	2574	=head3 cf::object
1683		2575
…		…
1687		2579
1688	=over 4	2580	=over 4
1689		2581
1690	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
1691		2583
1692	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
1693		2586
1694	=cut	2587	=cut
1695		2588
1696	sub inv_recursive_;	2589	sub inv_recursive_;
1697	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
1700		2593
1701	sub inv_recursive {	2594	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
1703	}	2596	}
1704		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
1705	package cf;	2626	package cf;
1706		2627
1707	=back	2628	=back
1708		2629
1709	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
1718		2639
1719	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
1720		2655
1721	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2657	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
1726		2661
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2662	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2663
1729	if ($self->{record_replies}) {	2664	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2665	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2666
1731	} else {	2667	} else {
		2668	my $pl = $self->contr;
		2669
		2670	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2671	my $dialog = $pl->{npc_dialog};
		2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2673
		2674	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2677	}
1734	}	2678	}
		2679	}
		2680
		2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2682
		2683	=cut
		2684
		2685	sub cf::object::send_msg {
		2686	my $pl = shift->contr
		2687	or return;
		2688	$pl->send_msg (@_);
1735	}	2689	}
1736		2690
1737	=item $player_object->may ("access")	2691	=item $player_object->may ("access")
1738		2692
1739	Returns wether the given player is authorized to access resource "access"	2693	Returns wether the given player is authorized to access resource "access"
…		…
1752		2706
1753	=item $player_object->enter_link	2707	=item $player_object->enter_link
1754		2708
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2710
1757	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
1759		2715
1760	Will never block.	2716	Will never block.
1761		2717
1762	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
1763		2719
…		…
1783	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
1784	my ($self) = @_;	2740	my ($self) = @_;
1785		2741
1786	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
1787		2743
		2744	++$self->{_link_recursion};
		2745
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2747
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2749	if $self->map && $self->map->{path} ne "{link}";
1792		2750
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2752	}
1795		2753
1796	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
		2756
		2757	return unless $self->contr->active;
1798		2758
1799	my $link_pos = delete $self->{_link_pos};	2759	my $link_pos = delete $self->{_link_pos};
1800		2760
1801	unless ($map) {	2761	unless ($map) {
1802	# restore original map position	2762	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
1815		2775
1816	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
1819		2779
1820	$map->load;	2780	$map->load;
1821	$map->load_diag;	2781	$map->load_neighbours;
1822		2782
1823	return unless $self->contr->active;	2783	return unless $self->contr->active;
1824	$self->activate_recursive;
1825		2784
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
1828	}	2787	# entering was successful
1829		2788	delete $self->{_link_recursion};
1830	cf::player->attach (	2789	# only activate afterwards, to support waiting in hooks
1831	on_logout => sub {	2790	$self->activate_recursive;
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},	2791	}
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2792
1844	# try to abort aborted map switching on player login :)	2793	}
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2794
1862	=item $player_object->goto ($path, $x, $y)	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1863		2796
		2797	Moves the player to the given map-path and coordinates by first freezing
		2798	her, loading and preparing them map, calling the provided $check callback
		2799	that has to return the map if sucecssful, and then unfreezes the player on
		2800	the new (success) or old (failed) map position. In either case, $done will
		2801	be called at the end of this process.
		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
1864	=cut	2806	=cut
		2807
		2808	our $GOTOGEN;
1865		2809
1866	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
		2819	# do generation counting so two concurrent goto's will be executed in-order
		2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2821
1869	$self->enter_link;	2822	$self->enter_link;
1870		2823
1871	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
1872	my $map = eval {	2846	my $map = eval {
1873	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2848
		2849	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2850	$map = $map->customise_for ($self);
		2851	$map = $check->($map, $x, $y, $self) if $check && $map;
		2852	} else {
		2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2854	}
		2855
1875	$map	2856	$map
		2857	};
		2858
		2859	if ($@) {
		2860	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2861	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2862	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2863
		2864	if ($gen == $self->{_goto_generation}) {
		2865	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
		2867	}
		2868
		2869	$done->($self) if $done;
1880	})->prio (1);	2870	})->prio (1);
1881	}	2871	}
1882		2872
1883	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
1884		2874
…		…
1904	}	2894	}
1905		2895
1906	sub prepare_random_map {	2896	sub prepare_random_map {
1907	my ($exit) = @_;	2897	my ($exit) = @_;
1908		2898
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2901	# that depends on the exit object
1914		2902
1915	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2905	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
1922	}	2912	}
1923		2913
1924	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
1925		2915
1926	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
1929		2919
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2922	undef $fh;
1933	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
1934		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
1937	}	2931	}
1938	}	2932	}
1939		2933
1940	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
1942		2936
1943	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
1944		2938
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2939	$self->enter_link;
1955		2940
1956	(async {	2941	(async {
1957	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
1958	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
1959	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
1960		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
1961	1;	2980	1
1962	}) {	2981	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2986
1968	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
1969	$self->leave_link;	2988	$self->leave_link;
1970	}	2989	}
1971	})->prio (1);	2990	})->prio (1);
1972	}	2991	}
1973		2992
…		…
1987		3006
1988	utf8::encode $text;	3007	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	3009	}
1991		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
		3034	}
		3035
		3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3037
		3038	Send a drawinfo or msg packet to the client, formatting the msg for the
		3039	client if neccessary. C<$type> should be a string identifying the type of
		3040	the message, with C<log> being the default. If C<$color> is negative, suppress
		3041	the message unless the client supports the msg packet.
		3042
		3043	=cut
		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
		3159	sub cf::client::send_msg {
		3160	my ($self, $channel, $msg, $color, @extra) = @_;
		3161
		3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
		3164
		3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
		3174	} elsif (ref $channel) {
		3175	# send meta info to client, if not yet sent
		3176	unless (exists $self->{channel}{$channel->{id}}) {
		3177	$self->{channel}{$channel->{id}} = $channel;
		3178	$self->ext_msg (channel_info => $channel);
		3179	}
		3180
		3181	$channel = $channel->{id};
		3182	}
		3183
		3184	return unless @extra || length $msg;
		3185
		3186	# default colour, mask it out
		3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3188	if $color & cf::NDI_DEF;
		3189
		3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
		3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3193	);
		3194
		3195	$self->send_big_packet ($pkt);
		3196	}
		3197
		3198	=item $client->ext_msg ($type, @msg)
		3199
		3200	Sends an ext event to the client.
		3201
		3202	=cut
		3203
		3204	sub cf::client::ext_msg($$@) {
		3205	my ($self, $type, @msg) = @_;
		3206
		3207	if ($self->extcmd == 2) {
		3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3209	} elsif ($self->extcmd == 1) { # TODO: remove
		3210	push @msg, msgtype => "event_$type";
		3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3212	}
		3213	}
		3214
		3215	=item $client->ext_reply ($msgid, @msg)
		3216
		3217	Sends an ext reply to the client.
		3218
		3219	=cut
		3220
		3221	sub cf::client::ext_reply($$@) {
		3222	my ($self, $id, @msg) = @_;
		3223
		3224	if ($self->extcmd == 2) {
		3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3226	} elsif ($self->extcmd == 1) {
		3227	#TODO: version 1, remove
		3228	unshift @msg, msgtype => "reply", msgid => $id;
		3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3230	}
		3231	}
1992		3232
1993	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
1994		3234
1995	Queues a query to the client, calling the given callback with	3235	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3236	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3237	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		3238
1999	Queries can fail, so check the return code. Or don't, as queries will become	3239	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	3240	become reliable at some point in the future.
2001		3241
2002	=cut	3242	=cut
2003		3243
2004	sub cf::client::query {	3244	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	3245	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	3253	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3254	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		3255
2016	$self->send_packet ($self->{query_queue}[0][0])	3256	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	3257	if @{ $self->{query_queue} } == 1;
		3258
		3259	1
2018	}	3260	}
2019		3261
2020	cf::client->attach (	3262	cf::client->attach (
		3263	on_connect => sub {
		3264	my ($ns) = @_;
		3265
		3266	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3267	},
2021	on_reply => sub {	3268	on_reply => sub {
2022	my ($ns, $msg) = @_;	3269	my ($ns, $msg) = @_;
2023		3270
2024	# this weird shuffling is so that direct followup queries	3271	# this weird shuffling is so that direct followup queries
2025	# get handled first	3272	# get handled first
…		…
2037	} else {	3284	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3285	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	3286	}
2040	}	3287	}
2041	},	3288	},
		3289	on_exticmd => sub {
		3290	my ($ns, $buf) = @_;
		3291
		3292	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3293
		3294	if (ref $msg) {
		3295	my ($type, $reply, @payload) =
		3296	"ARRAY" eq ref $msg
		3297	? @$msg
		3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3299
		3300	my @reply;
		3301
		3302	if (my $cb = $EXTICMD{$type}) {
		3303	@reply = $cb->($ns, @payload);
		3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
		3309	} else {
		3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3311	}
		3312
		3313	cf::override;
		3314	},
2042	);	3315	);
2043		3316
2044	=item $client->async (\&cb)	3317	=item $client->async (\&cb)
2045		3318
2046	Create a new coroutine, running the specified callback. The coroutine will	3319	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062		3335
2063	$coro	3336	$coro
2064	}	3337	}
2065		3338
2066	cf::client->attach (	3339	cf::client->attach (
2067	on_destroy => sub {	3340	on_client_destroy => sub {
2068	my ($ns) = @_;	3341	my ($ns) = @_;
2069		3342
2070	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071	},	3344	},
2072	);	3345	);
…		…
2087	our $safe = new Safe "safe";	3360	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2089		3362
2090	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2091		3364
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3365	$safe->permit_only (Opcode::opset qw(
		3366	:base_core :base_mem :base_orig :base_math :base_loop
		3367	grepstart grepwhile mapstart mapwhile
		3368	sort time
		3369	));
2093		3370
2094	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
2095		3372
2096	=pod	3373	=pod
2097		3374
2098	The following fucntions and emthods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2099		3376
2100	cf::object contr pay_amount pay_player map	3377	cf::object
		3378	contr pay_amount pay_player map x y force_find force_add destroy
		3379	insert remove name archname title slaying race decrease split
		3380	value
		3381
2101	cf::object::player player	3382	cf::object::player
2102	cf::player peaceful	3383	player
2103	cf::map trigger	3384
		3385	cf::player
		3386	peaceful
		3387
		3388	cf::map
		3389	trigger
2104		3390
2105	=cut	3391	=cut
2106		3392
2107	for (	3393	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2109	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2111	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2112	) {	3400	) {
2113	no strict 'refs';
2114	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2115	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2116	for @funs;	3403	for @funs;
2117	}	3404	}
2118		3405
…		…
2133		3420
2134	my $qcode = $code;	3421	my $qcode = $code;
2135	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2136	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2137		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2138	local $_;	3428	local $_;
2139	local @safe::cf::_safe_eval_args = values %vars;
2140		3429
2141	my $eval =	3430	my $eval =
2142	"do {\n"	3431	"do {\n"
2143	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2145	. $code	3434	. $code
2146	. "\n}"	3435	. "\n}"
2147	;	3436	;
2148		3437
		3438	if ($CFG{safe_eval}) {
2149	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2150	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2152		3447
2153	if ($@) {	3448	if ($@) {
2154	warn "$@";	3449	warn "$@",
2155	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2156	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2157	}	3452	}
2158		3453
2159	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2160	}	3455	}
2161		3456
…		…
2175	=cut	3470	=cut
2176		3471
2177	sub register_script_function {	3472	sub register_script_function {
2178	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2179		3474
2180	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2181	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2182	}	3477	}
2183		3478
2184	=back	3479	=back
2185		3480
2186	=cut	3481	=cut
2187
2188	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259		3482
2260	#############################################################################	3483	#############################################################################
2261	# the server's init and main functions	3484	# the server's init and main functions
2262		3485
2263	sub load_faces {	3486	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3487	my ($path) = @_;
2265		3488
		3489	# HACK to clear player env face cache, we need some signal framework
		3490	# for this (global event?)
		3491	%ext::player_env::MUSIC_FACE_CACHE = ();
		3492
		3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3494
2266	warn "loading faces from $path\n";	3495	trace "loading facedata from $path\n";
2267		3496
2268	my $faces;	3497	my $facedata = decode_storable load_file $path;
2269	0 < aio_load $path, $faces
2270	or die "$path: $!";
2271		3498
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;
2274	Coro::cede;
2275
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3499	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3501
		3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3504	$facedata->{resource}{"res/exp_table"} = {
		3505	type => FT_RSRC,
		3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
		3508	};
		3509	cf::cede_to_tick;
		3510
		3511	{
		3512	my $faces = $facedata->{faceinfo};
		3513
2280	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516
		3517	cf::face::set_visibility $idx, $info->{visibility};
		3518	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284	Coro::cede;	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285	}	3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2286		3522
		3523	cf::cede_to_tick;
		3524	}
		3525
2287	while (my ($face, $info) = each %$faces) {	3526	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3527	next unless $info->{smooth};
		3528
2289	my $idx = cf::face::find $face	3529	my $idx = cf::face::find $face
		3530	or next;
		3531
		3532	if (my $smooth = cf::face::find $info->{smooth}) {
		3533	cf::face::set_smooth $idx, $smooth;
		3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3535	} else {
		3536	error "smooth face '$info->{smooth}' not found for face '$face'";
		3537	}
		3538
		3539	cf::cede_to_tick;
		3540	}
		3541	}
		3542
		3543	{
		3544	my $anims = $facedata->{animinfo};
		3545
		3546	while (my ($anim, $info) = each %$anims) {
		3547	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	cf::anim::invalidate_all; # d'oh
		3552	}
		3553
		3554	{
		3555	my $res = $facedata->{resource};
		3556
		3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $info->{type};
		3563	} else {
		3564	$RESOURCE{$name} = $info; # unused
		3565	}
		3566
		3567	cf::cede_to_tick;
		3568	}
		3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3572
		3573	1
		3574	}
		3575
		3576	register_exticmd fx_want => sub {
		3577	my ($ns, $want) = @_;
		3578
		3579	while (my ($k, $v) = each %$want) {
		3580	$ns->fx_want ($k, $v);
		3581	}
		3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
		3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
		3599	load_resource_file "$MAPDIR/regions"
		3600	or die "unable to load regions file\n";
		3601
		3602	for (cf::region::list) {
		3603	$_->{match} = qr/$_->{match}/
		3604	if exists $_->{match};
		3605	}
		3606	}
		3607
		3608	sub reload_facedata {
		3609	load_facedata "$DATADIR/facedata"
		3610	or die "unable to load facedata\n";
		3611	}
		3612
		3613	sub reload_archetypes {
		3614	load_resource_file "$DATADIR/archetypes"
		3615	or die "unable to load archetypes\n";
		3616	}
		3617
		3618	sub reload_treasures {
		3619	load_resource_file "$DATADIR/treasures"
		3620	or die "unable to load treasurelists\n";
		3621	}
		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
2290	or next;	3630	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;
2293	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}
2296	Coro::cede;
2297	}
2298		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2299	1	3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
2300	}	3641	}
2301		3642
2302	sub reload_resources {	3643	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3644	trace "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3645
		3646	reload_exp_table;
		3647	reload_materials;
2305	load_faces	3648	reload_facedata;
2306	or die "unable to load faces\n";#d#	3649	reload_sound;
2307	}	3650	reload_archetypes;
2308
2309	sub init {
2310	reload_resources;	3651	reload_regions;
2311	}	3652	reload_treasures;
2312		3653
2313	sub cfg_load {	3654	trace "finished reloading resource files\n";
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3655	}
2315	or return;
2316		3656
2317	local $/;	3657	sub reload_config {
2318	*CFG = YAML::Syck::Load <$fh>;	3658	trace "reloading config file...\n";
2319		3659
		3660	my $config = load_file "$CONFDIR/config";
		3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
		3663
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2321		3665
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2324		3668
2325	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
2329	};	3673	};
2330	warn $@ if $@;	3674	warn $@ if $@;
2331	}	3675	}
2332	}	3676	}
2333		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
2334	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
2335	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3719	(async {
2339	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
2341	};	3723	};
2342		3724
2343	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
2344	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
2345	load_extensions;	3748	load_extensions;
2346		3749
2347	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
2348	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2349	}	3768	}
2350		3769
2351	#############################################################################	3770	#############################################################################
2352	# initialisation and cleanup	3771	# initialisation and cleanup
2353		3772
2354	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2355	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2364	},
2365	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2366	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2367	}	3869	}
2368		3870
2369	sub emergency_save() {	3871	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2371		3873
2372	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2373		3880
2374	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2375	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2376	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2377	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2379	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3892	$pl->save;
2383	}	3893	}
2384	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2385		3895
2386	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2387	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2388	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2389	$map->valid or next;	3901	$map->valid or next;
2390	$map->save;	3902	$map->save;
2391	}	3903	}
2392	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2393		3905
2394	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2397	};	3934	};
2398		3935
2399	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2400	}	3937	}
2401		3938
2402	sub post_cleanup {	3939	sub post_cleanup {
2403	my ($make_core) = @_;	3940	my ($make_core) = @_;
2404		3941
		3942	IO::AIO::flush;
		3943
2405	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3945	if $make_core;
2407	}
2408		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2409	sub reload() {	3976	sub do_reload_perl() {
2410	# can/must only be called in main	3977	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2412	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2413	return;	3980	return;
2414	}	3981	}
2415		3982
2416	warn "reloading...";	3983	return if $RELOAD++;
2417		3984
2418	warn "entering sync_job";	3985	my $t1 = AE::time;
2419		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2420	cf::sync_job {	3993	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark
2422	cf::emergency_save;	3994	#cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark
2424		3995
2425	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;
2427
2428	# if anything goes wrong in here, we should simply crash as we already saved
2429
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;
2441	warn "iterate...";
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();	3998	%EXT_CORO = ();
2449		3999
2450	warn "removing commands";	4000	trace "perl_reload: removing commands";
2451	%COMMAND = ();	4001	%COMMAND = ();
2452		4002
2453	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2454	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2455		4006
2456	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2459		4010
2460	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2461	eval {	4012	eval {
2462	$cb->($pkg);	4013	$cb->($pkg);
2463	1	4014	1
2464	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2465	}	4020	}
2466		4021
2467	warn "... nuking $pkg";
2468	Symbol::delete_package $pkg;
2469	}
2470
2471	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2472	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		4025
2475	warn "... unloading $k";	4026	trace "... unloading $k";
2476	delete $INC{$k};	4027	delete $INC{$k};
2477		4028
2478	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2480		4031
2481	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2482	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2483	}	4037	}
2484		4038
2485	Symbol::delete_package $k;
2486	}
2487
2488	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		4042
2492	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494		4046
2495	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2496	# and global variables created in xs	4048	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2498		4050
2499	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2500		4052
2501	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2502	require cf;	4054	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2504		4056
2505	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2506	cf::cfg_load;	4058	cf::reload_config;
2507		4059
2508	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2509	cf::load_extensions;	4061	cf::load_extensions;
2510		4062
		4063	if ($REATTACH_ON_RELOAD) {
2511	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2514	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2517		4071
2518	warn "loading reloadable resources";	4072	cf::_post_init 1;
2519	reload_resources;
2520		4073
2521	warn "leaving sync_job";	4074	trace "perl_reload: leaving sync_job";
2522		4075
2523	1	4076	1
2524	} or do {	4077	} or do {
2525	warn $@;	4078	error $@;
2526	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2527	exit 1;	4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2528	};	4102	};
2529		4103	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		4104
2535	register_command "reload" => sub {	4105	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2537		4107
2538	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2540		4110	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	4112	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	4113	};
2553	}	4114	}
2554	};	4115	};
2555		4116
2556	unshift @INC, $LIBDIR;	4117	#############################################################################
2557		4118
2558	my $bug_warning = 0;	4119	my $bug_warning = 0;
2559		4120
2560	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2561	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2562	parked => 1,	4123
2563	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2564	at => $NEXT_TICK || $TICK,	4125	}
2565	data => WF_AUTOCANCEL,	4126
2566	cb => sub {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
2567	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2570	return;	4139	return;
2571	}	4140	}
2572		4141
2573	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2574		4143
2575	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		4145
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	4150	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2584	};
2585	}	4152	};
		4153	}
2586		4154
		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2587	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589		4159
2590	# my $AFTER = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2591	# warn $AFTER - $NOW;#d#	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2592		4162
2593	# if we are delayed by four ticks or more, skip them all	4163	if (0) {
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4164	if ($NEXT_TICK) {
2595		4165	my $jitter = $TICK_START - $NEXT_TICK;
2596	$TICK_WATCHER->at ($NEXT_TICK);	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2597	$TICK_WATCHER->start;	4167	debug "jitter $JITTER\n";#d#
		4168	}
2598	},	4169	}
2599	);	4170	}
2600		4171
2601	{	4172	{
2602	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	4174
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2612		4176	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		4178
2628	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		4186
2631	cf::sync_job {	4187	cf::sync_job {
2632	eval {	4188	eval {
2633	BDB::db_env_open	4189	BDB::db_env_open
2634	$DB_ENV,	4190	$DB_ENV,
2635	$BDB_ENV_DIR,	4191	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	4194	0666;
2639		4195
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	4197	};
2645		4198
2646	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	4200	};
2648	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2649	}	4212	}
2650		4213
2651	{	4214	{
		4215	# configure IO::AIO
		4216
2652	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	4220	}
		4221
		4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
		4224
		4225	sub _log_backtrace {
		4226	my ($msg, @addr) = @_;
		4227
		4228	$msg =~ s/\n$//;
		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4266	}
		4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2665		4272
2666	END { cf::emergency_save }	4273	END { cf::emergency_save }
2667		4274
2668	1	4275	1
2669		4276

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