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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 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"
376	}	875	}
377		876
378	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
379		878
380	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
381		880
382	=cut	881	=cut
383		882
384	sub datalog($@) {	883	sub datalog($@) {
385	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	886	}
388		887
389	=back	888	=back
390		889
391	=cut	890	=cut
392		891
393	#############################################################################	892	#############################################################################
394		893
395	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
396		895
397	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
400		899
401	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	902	Deliantra).
404		903
405	=over 4	904	=over 4
406		905
407	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
408		907
…		…
452	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
453		952
454	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
456		955
457	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
459		958
460	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
461		960
462	=over 4	961	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
572		1071
573	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1076
578	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
580		1079
581	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
586		1085
587	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1088
590	} elsif (ref $type) {	1089	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
592		1091
593	} else {	1092	} else {
594	shift @arg;	1093	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
596	}	1095	}
597	}	1096	}
598	}	1097	}
599		1098
600	sub _object_attach {	1099	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
611	}	1110	}
612		1111
613	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
614	} else {	1113	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1115	}
617		1116
618	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
619	}	1118	}
620		1119
…		…
622	if (ref $_[0]) {	1121	if (ref $_[0]) {
623	_object_attach @_;	1122	_object_attach @_;
624	} else {	1123	} else {
625	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
626	}	1125	}
		1126	_recalc_want;
627	};	1127	};
628		1128
629	# all those should be optimised	1129	# all those should be optimised
630	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1135	reattach ($obj);
636	} else {	1136	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
638	}	1138	}
		1139	_recalc_want;
639	};	1140	};
640		1141
641	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
643		1144
…		…
658	";	1159	";
659	die if $@;	1160	die if $@;
660	}	1161	}
661		1162
662	our $override;	1163	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1165
665	sub override {	1166	sub override {
666	$override = 1;	1167	$override = 1;
667	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
668	}	1169	}
669		1170
670	sub do_invoke {	1171	sub do_invoke {
671	my $event = shift;	1172	my $event = shift;
672	my $callbacks = shift;	1173	my $callbacks = shift;
673		1174
674	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
675		1176
676	local $override;	1177	local $override;
677		1178
678	for (@$callbacks) {	1179	for (@$callbacks) {
679	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
680		1181
681	if ($@) {	1182	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1184	override;
685	}	1185	}
686		1186
687	return 1 if $override;	1187	return 1 if $override;
688	}	1188	}
689		1189
690	0	1190	0
691	}	1191	}
692		1192
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1194
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1196
697	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
698		1198
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1202
703	=back	1203	=back
704		1204
705	=cut	1205	=cut
706		1206
707	#############################################################################	1207	#############################################################################
708	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
709		1251
710	sub reattach {	1252	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1254	my ($obj) = @_;
713		1255
		1256	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1258
716	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
717		1260
718	@$registry = ();	1261	@$registry = ();
719		1262
…		…
724	for (@$attach) {	1267	for (@$attach) {
725	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
727	}	1270	}
728	} else {	1271	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1273	}
731	}	1274	}
732	}	1275	}
733		1276
734	cf::attachable->attach (	1277	cf::attachable->attach (
735	prio => -1000000,	1278	prio => -1000000,
736	on_instantiate => sub {	1279	on_instantiate => sub {
737	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
738		1281
739	$data = from_json $data;	1282	$data = decode_json $data;
740		1283
741	for (@$data) {	1284	for (@$data) {
742	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
743		1286
744	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1303	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
762		1305
763	sync_job {	1306	sync_job {
764	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
767		1312
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
772	close $fh;	1320	aio_close $fh;
773		1321
774	if (@$objs) {	1322	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
780	close $fh;	1331	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
782	}	1333	}
783	} else {	1334	} else {
784	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
785	}	1336	}
786		1337
787	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1342	} else {
789	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
790	}	1344	}
791	} else {	1345	} else {
792	aio_unlink $filename;	1346	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
794	}	1348	}
795	}	1349	};
796	}	1350	}
797		1351
798	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
800		1354
…		…
812	or return;	1366	or return;
813		1367
814	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
816	or return;	1370	or return;
		1371
817	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
818	}	1374	}
819		1375
		1376	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
822	return ($data, $av);	1381	($data, $av)
823	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
824		1389
825	#############################################################################	1390	#############################################################################
826	# command handling &c	1391	# command handling &c
827		1392
828	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1407	}
843		1408
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1410
846	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
847		1416
848	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
849	called.	1418	called.
850		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
851	=cut	1431	=cut
852		1432
853	sub register_extcmd {	1433	sub register_extcmd {
854	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
855		1435
856	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
857	}	1437	}
858		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
859	cf::player->attach (	1447	cf::player->attach (
860	on_command => sub {	1448	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
862		1450
863	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
864	or return;	1452	or return;
865		1453
…		…
870	cf::override;	1458	cf::override;
871	},	1459	},
872	on_extcmd => sub {	1460	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
874		1462
875	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1464
877	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
883	} else {	1480	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1482	}
886		1483
887	cf::override;	1484	cf::override;
888	},	1485	},
889	);	1486	);
890		1487
		1488	# "readahead" all extensions
891	sub load_extension {	1489	sub cache_extensions {
892	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
893		1491
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1495	}
919	die $@;
920	}	1496	};
921		1497
922	push @EXTS, $pkg;	1498	$grp
923	}	1499	}
924		1500
925	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
926	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1508	next unless -r $path;
928	eval {	1509
929	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
930	1	1573	}
931	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
932	}	1586	};
933	}	1587	}
934		1588
935	#############################################################################	1589	#############################################################################
936		1590
		1591	=back
		1592
937	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
938		1594
939	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
940		1596
941	=cut	1597	=cut
942		1598
943	package cf::player;	1599	package cf::player;
944		1600
…		…
946		1602
947	=head3 cf::player	1603	=head3 cf::player
948		1604
949	=over 4	1605	=over 4
950		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
951	=item cf::player::find $login	1621	=item cf::player::find $login
952		1622
953	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
954		1624
955	=cut	1625	=cut
956		1626
957	sub playerdir($) {	1627	sub playerdir($) {
958	cf::localdir	1628	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1630	}
964		1631
965	sub path($) {	1632	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1643
977	sub exists($) {	1644	sub exists($) {
978	my ($login) = @_;	1645	my ($login) = @_;
979		1646
980	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
982	}	1649	}
983		1650
984	sub find($) {	1651	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1653	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
997		1664
998	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1001	}	1674	}
1002	}	1675	}
1003	}	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	);
1004		1690
1005	sub save($) {	1691	sub save($) {
1006	my ($pl) = @_;	1692	my ($pl) = @_;
1007		1693
1008	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1014		1700
1015	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1017		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
1018	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1019	Coro::cede;	1710	cf::cede_to_tick;
1020	}	1711	}
1021		1712
1022	sub new($) {	1713	sub new($) {
1023	my ($login) = @_;	1714	my ($login) = @_;
1024		1715
…		…
1030	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1031		1722
1032	$self	1723	$self
1033	}	1724	}
1034		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
1035	=item $pl->quit_character	1736	=item $pl->quit_character
1036		1737
1037	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
1038	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1039		1740
…		…
1043	my ($pl) = @_;	1744	my ($pl) = @_;
1044		1745
1045	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1046		1747
1047	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1048	$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
1049		1750
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1051	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1053	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1054		1759
1055	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1057	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1086	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1087		1792
1088	=cut	1793	=cut
1089		1794
1090	sub list_logins {	1795	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1797	or return [];
1093		1798
1094	my @logins;	1799	my @logins;
1095		1800
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1100		1811
1101	utf8::decode $login;	1812	utf8::decode $login;
1102	push @logins, $login;	1813	push @logins, $login;
1103	}	1814	}
1104		1815
1105	\@logins	1816	\@logins
1106	}	1817	}
1107		1818
1108	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1109		1822
1110	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1111	player. May block.	1824	player. May block.
1112		1825
1113	=cut	1826	=cut
…		…
1131	}	1844	}
1132		1845
1133	\@paths	1846	\@paths
1134	}	1847	}
1135		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1136	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1137		1854
1138	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1139		1856
1140	=cut	1857	=cut
1141		1858
1142	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1144		1861
1145	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1863	}
1149		1864
1150	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1151		1866
1152	Sends an ext event to the client.	1867	Sends an ext event to the client.
1153		1868
1154	=cut	1869	=cut
1155		1870
1156	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1158		1873
1159	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1160	}	1875	}
1161		1876
1162	package cf;	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	}
1163		1907
1164	=back	1908	=back
1165
1166		1909
1167	=head3 cf::map	1910	=head3 cf::map
1168		1911
1169	=over 4	1912	=over 4
1170		1913
…		…
1182	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1184		1927
1185	sub generate_random_map {	1928	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1187	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1188	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1196	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1197	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1198	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1199	(cf::region::find $rmp->{region}), $rmp->{custom}
1200	)
1201	}	1934	}
1202		1935
1203	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1204		1937
1205	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
…		…
1210		1943
1211	sub register {	1944	sub register {
1212	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1213	my $pkg = caller;	1946	my $pkg = caller;
1214		1947
1215	no strict;
1216	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1217		1949
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1951	}
1220		1952
1221	# also paths starting with '/'	1953	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1955
1224	sub thawer_merge {	1956	sub thawer_merge {
1225	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1226		1958
1227	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1228	local $self->{path};	1960	local $self->{path};
1229	local $self->{load_path};	1961	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1962
1233	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1234	}	1964	}
1235		1965
1236	sub normalise {	1966	sub normalise {
1237	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1238		1968
1239	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1240		1970
1241	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1242		1972
1243	# map plan:	1973	# map plan:
1244	#	1974	#
…		…
1259	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1260	$path = "$base/$path";	1990	$path = "$base/$path";
1261	}	1991	}
1262		1992
1263	for ($path) {	1993	for ($path) {
1264	redo if s{//}{/};
1265	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1266	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1267	}	1996	}
1268		1997
1269	$path	1998	$path
…		…
1283	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1284	return $self;	2013	return $self;
1285	}	2014	}
1286	}	2015	}
1287		2016
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1289	()	2018	()
1290	}	2019	}
1291		2020
		2021	# may re-bless or do other evil things
1292	sub init {	2022	sub init {
1293	my ($self) = @_;	2023	my ($self) = @_;
1294		2024
1295	$self	2025	$self
1296	}	2026	}
…		…
1308		2038
1309	# the original (read-only) location	2039	# the original (read-only) location
1310	sub load_path {	2040	sub load_path {
1311	my ($self) = @_;	2041	my ($self) = @_;
1312		2042
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1314	}	2044	}
1315		2045
1316	# the temporary/swap location	2046	# the temporary/swap location
1317	sub save_path {	2047	sub save_path {
1318	my ($self) = @_;	2048	my ($self) = @_;
1319		2049
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1322	}	2052	}
1323		2053
1324	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1325	sub uniq_path {	2055	sub uniq_path {
1326	my ($self) = @_;	2056	my ($self) = @_;
1327		2057
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1330	}	2060	}
1331		2061
1332	# and all this just because we cannot iterate over	2062	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	2063	my ($self) = @_;
1336		2064
1337	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1339	}	2068	}
1340		2069
1341	sub unlink_save {	2070	sub unlink_save {
1342	my ($self) = @_;	2071	my ($self) = @_;
1343		2072
…		…
1348		2077
1349	sub load_header_from($) {	2078	sub load_header_from($) {
1350	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1351		2080
1352	utf8::encode $path;	2081	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	2083	or return;
1358		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1359	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1360		2092
1361	1	2093	1
1362	}	2094	}
1363		2095
		2096	# used to laod the header of an original map
1364	sub load_header_orig {	2097	sub load_header_orig {
1365	my ($self) = @_;	2098	my ($self) = @_;
1366		2099
1367	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1368	}	2101	}
1369		2102
		2103	# used to laod the header of an instantiated map
1370	sub load_header_temp {	2104	sub load_header_temp {
1371	my ($self) = @_;	2105	my ($self) = @_;
1372		2106
1373	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1374	}	2108	}
1375		2109
		2110	# called after loading the header from an instantiated map
1376	sub prepare_temp {	2111	sub prepare_temp {
1377	my ($self) = @_;	2112	my ($self) = @_;
1378		2113
1379	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1380	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1381	# safety	2116	# safety
1382	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1383	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1384	}	2119	}
1385		2120
		2121	# called after loading the header from an original map
1386	sub prepare_orig {	2122	sub prepare_orig {
1387	my ($self) = @_;	2123	my ($self) = @_;
1388		2124
1389	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1390	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1401	$self->load_header_orig	2137	$self->load_header_orig
1402	or return;	2138	or return;
1403	$self->prepare_orig;	2139	$self->prepare_orig;
1404	}	2140	}
1405		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
1406	1	2148	1
1407	}	2149	}
1408		2150
1409	sub find;	2151	sub find;
1410	sub find {	2152	sub find {
1411	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1412		2154
		2155	cf::cede_to_tick;
		2156
1413	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1414		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2161
1417	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1420	or return;	2164	or return;
1421		2165
1422	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1423		2167
1424	$map->load_header	2168	$map->load_header
1425	or return;	2169	or return;
1426		2170
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1430	$map->reset;	2176	$map->reset;
1431	undef $guard;
1432	return find $path;	2177	return find $path;
1433	}	2178	}
1434		2179
1435	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1436	}	2181	}
1437	}	2182	}
1438		2183
1439	sub pre_load { }	2184	sub pre_load { }
1440	sub post_load { }	2185	#sub post_load { } # XS
1441		2186
1442	sub load {	2187	sub load {
1443	my ($self) = @_;	2188	my ($self) = @_;
1444		2189
1445	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1446		2191
1447	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1449		2196
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1451		2199
1452	$self->in_memory (cf::MAP_LOADING);
1453
1454	$self->alloc;	2200	$self->alloc;
1455		2201
1456	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1457		2204
1458	$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)
1459	or return;	2209	or return;
1460		2210
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1462	if delete $self->{load_original};	2212	if delete $self->{load_original};
1463		2213
1464	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2215	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2218	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1469	}	2223	}
1470	}
1471		2224
1472	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1473		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1474	# now do the right thing for maps	2234	# now do the right thing for maps
1475	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2237	unless $self->difficulty;
1485	Coro::cede;	2238	cf::cede_to_tick;
1486	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1487	}	2250	}
1488		2251
1489	$self->post_load;	2252	$self->post_load;
1490		2253
1491	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1492	}	2255	}
1493		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2260	sub customise_for {
1495	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1496		2262
1497	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2264	if $self->per_player;
1499		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1500	$self	2269	$self
1501	}
1502
1503	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {
1505	my ($map) = @_;
1506
1507	my @diag; # diagonal neighbours
1508
1509	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)
1511	or next;
1512	$neigh = find $neigh, $map
1513	or next;
1514	$neigh->load;
1515
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}
1519
1520	for (@diag) {
1521	my $neigh = find @$_
1522	or next;
1523	$neigh->load;
1524	}
1525	}	2270	}
1526		2271
1527	sub find_sync {	2272	sub find_sync {
1528	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1529		2274
1530	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1531	}	2280	}
1532		2281
1533	sub do_load_sync {	2282	sub do_load_sync {
1534	my ($map) = @_;	2283	my ($map) = @_;
1535		2284
1536	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1537	}	2290	}
1538		2291
1539	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1541		2294
1542	sub find_async {	2295	sub find_async {
1543	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1544		2297
1545	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1546		2299
1547	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1549	}	2302	}
1550		2303
1551	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1552	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1553	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2311	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2312	$map->load if $v;
		2313	}
1558		2314
1559	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1560	}	2316	}
1561	}	2317	}
1562	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1563	};	2319	};
1564	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1565		2321
1566	()	2322	()
1567	}	2323	}
1568		2324
		2325	# common code, used by both ->save and ->swapout
1569	sub save {	2326	sub _save {
1570	my ($self) = @_;	2327	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2328
1574	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1575		2330
1576	return unless $self->dirty;	2331	return unless $self->dirty;
1577		2332
…		…
1583	return if $self->{deny_save};	2338	return if $self->{deny_save};
1584		2339
1585	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1586		2341
1587	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1589	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1590		2348
1591	if ($uniq) {	2349	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2352	} else {
1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1596	}	2354	}
1597	}	2355	}
1598		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1599	sub swap_out {	2365	sub swap_out {
1600	my ($self) = @_;	2366	my ($self) = @_;
1601		2367
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1607	return if $self->players;	2372	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1611	$self->clear;	2383	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2384	}
1614		2385
1615	sub reset_at {	2386	sub reset_at {
1616	my ($self) = @_;	2387	my ($self) = @_;
1617		2388
1618	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1621		2391
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2394
…		…
1635	my ($self) = @_;	2405	my ($self) = @_;
1636		2406
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2408
1639	return if $self->players;	2409	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2410
1642	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1643		2412
1644	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1645		2414
1646	# need to save uniques path	2415	# need to save uniques path
1647	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1648	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1649		2418
…		…
1651	if $uniq;	2420	if $uniq;
1652	}	2421	}
1653		2422
1654	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1655		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2427	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2428
1660	$self->unlink_save;	2429	$self->unlink_save;
1661	$self->destroy;	2430	$self->destroy;
1662	}	2431	}
1663		2432
1664	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1665		2434
1666	sub nuke {	2435	sub nuke {
1667	my ($self) = @_;	2436	my ($self) = @_;
1668		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1669	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1670		2442
1671	$self->unlink_save;	2443	$self->unlink_save;
1672		2444
1673	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2450
1679	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1680		2453
1681	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1682	}	2491	}
1683		2492
1684	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1685		2494
1686	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2496	instantiated unique items. May block.
1688		2497
1689	=cut	2498	=cut
1690		2499
1691	sub unique_maps() {	2500	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1693	or return;	2502	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2503	utf8::decode $_;
1699	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2506	? ()
1702	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2509	]
1704
1705	\@paths
1706	}	2510	}
1707		2511
1708	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1709		2543
1710	=back	2544	=back
1711		2545
1712	=head3 cf::object	2546	=head3 cf::object
1713		2547
…		…
1717		2551
1718	=over 4	2552	=over 4
1719		2553
1720	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1721		2555
1722	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1723		2558
1724	=cut	2559	=cut
1725		2560
1726	sub inv_recursive_;	2561	sub inv_recursive_;
1727	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1730		2565
1731	sub inv_recursive {	2566	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1733	}	2568	}
1734		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1735	package cf;	2598	package cf;
1736		2599
1737	=back	2600	=back
1738		2601
1739	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1748		2611
1749	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1750		2627
1751	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2629	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1756		2633
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2635
1759	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1761	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1764	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1765	}	2661	}
1766		2662
1767	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1768		2664
1769	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1782		2678
1783	=item $player_object->enter_link	2679	=item $player_object->enter_link
1784		2680
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2682
1787	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1789		2687
1790	Will never block.	2688	Will never block.
1791		2689
1792	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1793		2691
…		…
1813	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2712	my ($self) = @_;
1815		2713
1816	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1817		2715
		2716	++$self->{_link_recursion};
		2717
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2719
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1822		2722
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2724	}
1825		2725
1826	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1828		2730
1829	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1830		2732
1831	unless ($map) {	2733	unless ($map) {
1832	# restore original map position	2734	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1845		2747
1846	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1849		2751
1850	$map->load;	2752	$map->load;
1851	$map->load_diag;
1852		2753
1853	return unless $self->contr->active;	2754	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2755
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1858	}	2758	# entering was successful
1859		2759	delete $self->{_link_recursion};
1860	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2761	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2762	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2763
1874	# try to abort aborted map switching on player login :)	2764	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2765
1892	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1894	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1895		2780
1896	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2792
1899	$self->enter_link;	2793	$self->enter_link;
1900		2794
1901	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1902	my $map = eval {	2817	my $map = eval {
1903	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1905	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2833	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1910	})->prio (1);	2841	})->prio (1);
1911	}	2842	}
1912		2843
1913	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1914		2845
…		…
1934	}	2865	}
1935		2866
1936	sub prepare_random_map {	2867	sub prepare_random_map {
1937	my ($exit) = @_;	2868	my ($exit) = @_;
1938		2869
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2872	# that depends on the exit object
1944		2873
1945	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2876	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1952	}	2883	}
1953		2884
1954	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1955		2886
1956	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1959		2890
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2893	undef $fh;
1963	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1964		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1967	}	2902	}
1968	}	2903	}
1969		2904
1970	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1972		2907
1973	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1974		2909
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2910	$self->enter_link;
1987		2911
1988	(async {	2912	(async {
1989	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1990	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
1991	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1992		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1993	1;	2951	1
1994	}) {	2952	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2957
2000	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2001	$self->leave_link;	2959	$self->leave_link;
2002	}	2960	}
2003	})->prio (1);	2961	})->prio (1);
2004	}	2962	}
2005		2963
…		…
2019		2977
2020	utf8::encode $text;	2978	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2980	}
2023		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2024	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2025		3170
2026	Sends an exti event to the client.	3171	Sends an ext event to the client.
2027		3172
2028	=cut	3173	=cut
2029		3174
2030	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2032		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2035	}	3202	}
2036		3203
2037	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2038		3205
2039	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		3209
2043	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	3211	become reliable at some point in the future.
2045		3212
2046	=cut	3213	=cut
2047		3214
2048	sub cf::client::query {	3215	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3224	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3226
2060	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2062	}	3231	}
2063		3232
2064	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2065	on_reply => sub {	3239	on_reply => sub {
2066	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2067		3241
2068	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2069	# get handled first	3243	# get handled first
…		…
2081	} else {	3255	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3257	}
2084	}	3258	}
2085	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2086	);	3286	);
2087		3287
2088	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2089		3289
2090	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3306
2107	$coro	3307	$coro
2108	}	3308	}
2109		3309
2110	cf::client->attach (	3310	cf::client->attach (
2111	on_destroy => sub {	3311	on_client_destroy => sub {
2112	my ($ns) = @_;	3312	my ($ns) = @_;
2113		3313
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3315	},
2116	);	3316	);
…		…
2131	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2133		3333
2134	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2135		3335
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2137		3341
2138	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2139		3343
2140	=pod	3344	=pod
2141		3345
2142	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2143		3347
2144	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2145	cf::object::player player	3353	cf::object::player
2146	cf::player peaceful	3354	player
2147	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2148		3361
2149	=cut	3362	=cut
2150		3363
2151	for (	3364	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2156	) {	3371	) {
2157	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2160	for @funs;	3374	for @funs;
2161	}	3375	}
2162		3376
…		…
2177		3391
2178	my $qcode = $code;	3392	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2181		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2182	local $_;	3399	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3400
2185	my $eval =	3401	my $eval =
2186	"do {\n"	3402	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3405	. $code
2190	. "\n}"	3406	. "\n}"
2191	;	3407	;
2192		3408
		3409	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2196		3418
2197	if ($@) {	3419	if ($@) {
2198	warn "$@";	3420	warn "$@",
2199	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2200	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2201	}	3423	}
2202		3424
2203	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2204	}	3426	}
2205		3427
…		…
2219	=cut	3441	=cut
2220		3442
2221	sub register_script_function {	3443	sub register_script_function {
2222	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2223		3445
2224	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2226	}	3448	}
2227		3449
2228	=back	3450	=back
2229		3451
2230	=cut	3452	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3453
2304	#############################################################################	3454	#############################################################################
2305	# the server's init and main functions	3455	# the server's init and main functions
2306		3456
2307	sub load_facedata {	3457	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3458	my ($path) = @_;
2309		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2310	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2311		3467
2312	my $faces;	3468	my $facedata = decode_storable load_file $path;
2313	0 < aio_load $path, $faces
2314	or die "$path: $!";
2315		3469
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;
2318	Coro::cede;
2319
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3470	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
		3482	{
		3483	my $faces = $facedata->{faceinfo};
		3484
2324	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3487
		3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2329	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2330	}
2331		3493
		3494	cf::cede_to_tick;
		3495	}
		3496
2332	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2334	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
		3501	or next;
		3502
		3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
		3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
		3577	}
		3578
		3579	sub reload_facedata {
		3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
2335	or next;	3601	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2338	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}
2341	Coro::cede;
2342	}
2343		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2344	1	3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
2345	}	3612	}
2346		3613
2347	sub reload_resources {	3614	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3615	trace "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3616
		3617	reload_exp_table;
		3618	reload_materials;
2350	load_facedata	3619	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3620	reload_sound;
2352	}	3621	reload_archetypes;
2353
2354	sub init {
2355	reload_resources;	3622	reload_regions;
2356	}	3623	reload_treasures;
2357		3624
2358	sub cfg_load {	3625	trace "finished reloading resource files\n";
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3626	}
2360	or return;
2361		3627
2362	local $/;	3628	sub reload_config {
2363	*CFG = YAML::Syck::Load <$fh>;	3629	trace "reloading config file...\n";
2364		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2366		3636
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2369		3639
2370	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2374	};	3644	};
2375	warn $@ if $@;	3645	warn $@ if $@;
2376	}	3646	}
2377	}	3647	}
2378		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2379	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2380	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3690	(async {
2384	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2386	};	3694	};
2387		3695
2388	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2389	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2390	load_extensions;	3719	load_extensions;
2391		3720
2392	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2393	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2394	}	3739	}
2395		3740
2396	#############################################################################	3741	#############################################################################
2397	# initialisation and cleanup	3742	# initialisation and cleanup
2398		3743
2399	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2400	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2409	},
2410	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2411	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2412	}	3840	}
2413		3841
2414	sub emergency_save() {	3842	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2416		3844
2417	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2418		3851
2419	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2420	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3863	$pl->save;
2428	}	3864	}
2429	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2430		3866
2431	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2432	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3872	$map->valid or next;
2435	$map->save;	3873	$map->save;
2436	}	3874	}
2437	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2438		3876
2439	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2442	};	3905	};
2443		3906
2444	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2445	}	3908	}
2446		3909
2447	sub post_cleanup {	3910	sub post_cleanup {
2448	my ($make_core) = @_;	3911	my ($make_core) = @_;
2449		3912
		3913	IO::AIO::flush;
		3914
2450	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3916	if $make_core;
2452	}
2453		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2454	sub reload() {	3947	sub do_reload_perl() {
2455	# can/must only be called in main	3948	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2457	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2458	return;	3951	return;
2459	}	3952	}
2460		3953
2461	warn "reloading...";	3954	return if $RELOAD++;
2462		3955
2463	warn "entering sync_job";	3956	my $t1 = AE::time;
2464		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2465	cf::sync_job {	3964	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark
2467	cf::emergency_save;	3965	#cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark
2469		3966
2470	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;
2472
2473	# if anything goes wrong in here, we should simply crash as we already saved
2474
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();	3969	%EXT_CORO = ();
2494		3970
2495	warn "removing commands";	3971	trace "perl_reload: removing commands";
2496	%COMMAND = ();	3972	%COMMAND = ();
2497		3973
2498	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2499	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2500		3977
2501	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2504		3981
2505	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2506	eval {	3983	eval {
2507	$cb->($pkg);	3984	$cb->($pkg);
2508	1	3985	1
2509	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2510	}	3991	}
2511		3992
2512	warn "... nuking $pkg";
2513	Symbol::delete_package $pkg;
2514	}
2515
2516	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2517	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3996
2520	warn "... unloading $k";	3997	trace "... unloading $k";
2521	delete $INC{$k};	3998	delete $INC{$k};
2522		3999
2523	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2525		4002
2526	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2527	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2528	}	4008	}
2529		4009
2530	Symbol::delete_package $k;
2531	}
2532
2533	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		4013
2537	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2539		4017
2540	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2541	# and global variables created in xs	4019	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2543		4021
2544	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2545		4023
2546	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2547	require cf;	4025	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2549		4027
2550	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2551	cf::cfg_load;	4029	cf::reload_config;
2552		4030
2553	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2554	cf::load_extensions;	4032	cf::load_extensions;
2555		4033
		4034	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2559	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2562		4042
2563	warn "loading reloadable resources";	4043	cf::_post_init 1;
2564	reload_resources;
2565		4044
2566	warn "leaving sync_job";	4045	trace "perl_reload: leaving sync_job";
2567		4046
2568	1	4047	1
2569	} or do {	4048	} or do {
2570	warn $@;	4049	error $@;
2571	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2572	exit 1;	4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2573	};	4073	};
2574		4074	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		4075
2580	register_command "reload" => sub {	4076	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2582		4078
2583	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2585		4081	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	4083	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	4084	};
2598	}	4085	}
2599	};	4086	};
2600		4087
2601	unshift @INC, $LIBDIR;	4088	#############################################################################
2602		4089
2603	my $bug_warning = 0;	4090	my $bug_warning = 0;
2604		4091
2605	$TICK_WATCHER = Event->timer (	4092	sub wait_for_tick() {
2606	reentrant => 0,	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2607	parked => 1,	4094
2608	prio => 0,	4095	$WAIT_FOR_TICK->wait;
2609	at => $NEXT_TICK || $TICK,	4096	}
2610	data => WF_AUTOCANCEL,	4097
2611	cb => sub {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
		4101	my $signal = new Coro::Signal;
		4102	push @WAIT_FOR_TICK_BEGIN, $signal;
		4103	$signal->wait;
		4104	}
		4105
		4106	sub tick {
2612	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2615	return;	4110	return;
2616	}	4111	}
2617		4112
2618	$NOW = Event::time;	4113	cf::one_tick; # one server iteration
2619		4114
2620	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		4116
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	4121	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
2629	};
2630	}	4123	};
		4124	}
2631		4125
		4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4127	$sig->send;
		4128	}
2632	$WAIT_FOR_TICK->broadcast;	4129	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634		4130
2635	# my $AFTER = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2636	# warn $AFTER - $NOW;#d#	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2637		4133
2638	# if we are delayed by four ticks or more, skip them all	4134	if (0) {
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4135	if ($NEXT_TICK) {
2640		4136	my $jitter = $TICK_START - $NEXT_TICK;
2641	$TICK_WATCHER->at ($NEXT_TICK);	4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2642	$TICK_WATCHER->start;	4138	debug "jitter $JITTER\n";#d#
		4139	}
2643	},	4140	}
2644	);	4141	}
2645		4142
2646	{	4143	{
2647	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	4145
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2657		4147	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		4149
2673	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		4157
2676	cf::sync_job {	4158	cf::sync_job {
2677	eval {	4159	eval {
2678	BDB::db_env_open	4160	BDB::db_env_open
2679	$DB_ENV,	4161	$DB_ENV,
2680	$BDB_ENV_DIR,	4162	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	4165	0666;
2684		4166
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	4168	};
2690		4169
2691	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	4171	};
2693	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2694	}	4183	}
2695		4184
2696	{	4185	{
		4186	# configure IO::AIO
		4187
2697	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	4191	}
		4192
		4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
		4195
		4196	sub _log_backtrace {
		4197	my ($msg, @addr) = @_;
		4198
		4199	$msg =~ s/\n$//;
		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4237	}
		4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2710		4243
2711	END { cf::emergency_save }	4244	END { cf::emergency_save }
2712		4245
2713	1	4246	1
2714		4247

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