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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	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;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
88	sub cf::map::normalise;	177	sub cf::map::normalise;
89		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
90	#############################################################################	183	#############################################################################
91		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
92	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
93		197
94	=over 4	198	=over 4
95		199
96	=item $cf::UPTIME	200	=item $cf::UPTIME
97		201
98	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.
99		218
100	=item $cf::RUNTIME	219	=item $cf::RUNTIME
101		220
102	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
103	every server tick.	222	every server tick.
104		223
105	=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
106		227
107	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		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
110	=item $cf::NOW	239	=item $cf::LOAD
111		240
112	The time of the last (current) server tick.	241	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		242
118	=item %cf::CFG	243	=item %cf::CFG
119		244
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	246	from wherever your confdir points to.
122		247
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		249
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
129		282
130	=back	283	=back
131		284
132	=cut	285	=cut
133		286
134	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
135	*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 {
136	my $msg = join "", @_;	294	my $msg = join "", @_;
137	utf8::encode $msg;
138		295
139	$msg .= "\n"	296	$msg .= "\n"
140	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
141		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
142	LOG llevError, $msg;	301	LOG llevWarn, $msg;
143	};	302	};
144	}	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	};
145		317
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		325
153	# 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
154	# within the Safe compartment.	327	# within the Safe compartment.
155	for my $pkg (qw(	328	for my $pkg (qw(
156	cf::global cf::attachable	329	cf::global cf::attachable
157	cf::object cf::object::player	330	cf::object cf::object::player
158	cf::client cf::player	331	cf::client cf::player
159	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
160	cf::map cf::party cf::region	334	cf::party cf::region
161	)) {	335	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	337	}
165		338
166	$Event::DIED = sub {	339	$EV::DIED = sub {
167	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
168	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
169		349
170	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
171		351
172	=over 4	352	=over 4
173		353
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	373	$d
194	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
195	}	375	}
196		376
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
198		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
199	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
200		430
201	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
202		432
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
211		434
212	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
213		436
214	=cut	437	=cut
215		438
216	sub to_json($) {	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	440
218	JSON::Syck::Dump $_[0]	441	sub encode_json($) { $json_coder->encode ($_[0]) }
		442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
219	}	504	}
220		505
221	=item cf::lock_wait $string	506	=item cf::lock_wait $string
222		507
223	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
224		509
225	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
226		511
227	Wait until the given lock is available and then acquires it and returns	512	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	513	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
230	returned.	515	returned.
231		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
232	Lock names should begin with a unique identifier (for example, cf::map::find	520	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
234		522
235	=cut	523	=item $locked = cf::lock_active $string
236		524
237	our %LOCK;	525	Return true if the lock is currently active, i.e. somebody has locked it.
		526
		527	=cut
		528
		529	our $LOCKS = new Coro::SemaphoreSet;
238		530
239	sub lock_wait($) {	531	sub lock_wait($) {
240	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	533	}
248		534
249	sub lock_acquire($) {	535	sub lock_acquire($) {
250	my ($key) = @_;	536	$LOCKS->guard ($_[0])
		537	}
251		538
252	# wait, to be sure we are not locked	539	sub lock_active($) {
253	lock_wait $key;	540	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	541	}
262		542
263	sub freeze_mainloop {	543	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
265		545
266	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	547	}
268	$WRITE_RUNTIME_WATCHER->start;	548
		549	=item cf::periodic $interval, $cb
		550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
269	};	616	}
270	$WRITE_RUNTIME_WATCHER->stop;	617	};
271	$TICK_WATCHER->stop;	618
272	$guard	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
		622	my ($time, $pri, $name) = @_;
		623
		624	$time = clamp $time, 0.01, $TICK * .6;
		625
		626	my $sig = new Coro::Signal;
		627
		628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		630	$SLOT_QUEUE->ready;
		631	$sig->wait;
273	}	632	}
274		633
275	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
276		635
277	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		641
283	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
284		643
285	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
286		645
287	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
290		650
291	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
294	fast or be very important.	654	fast or be very important.
…		…
296	=cut	656	=cut
297		657
298	sub sync_job(&) {	658	sub sync_job(&) {
299	my ($job) = @_;	659	my ($job) = @_;
300		660
301	if ($Coro::current == $Coro::main) {	661	if (in_main) {
		662	my $time = AE::time;
		663
302	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
304		666
305	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	668
307	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
308		670
309	my $busy = 1;	671	my $busy = 1;
310	my @res;	672	my @res;
311		673
312	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	676	@res = eval { $job->() };
314	warn $@ if $@;	677	error $@ if $@;
315	undef $busy;	678	undef $busy;
316	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
317		680
318	while ($busy) {	681	while ($busy) {
319	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
320	}	686	}
		687	}
		688
		689	my $time = AE::time - $time;
		690
		691	$TICK_START += $time; # do not account sync jobs to server load
321		692
322	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
323	} else {	694	} else {
324	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
325		696
…		…
345	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
346		717
347	$coro	718	$coro
348	}	719	}
349		720
350	sub write_runtime {	721	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		722
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	723	Executes the given code block with the given arguments in a seperate
354	or return;	724	process, returning the results. Everything must be serialisable with
		725	Coro::Storable. May, of course, block. Note that the executed sub may
		726	never block itself or use any form of event handling.
355		727
356	my $value = $cf::RUNTIME + 90 + 10;	728	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		729
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	730	sub post_fork {
361	and return;	731	reset_signals;
		732	}
362		733
363	aio_fsync $fh	734	sub fork_call(&@) {
364	and return;	735	my ($cb, @args) = @_;
365		736
366	close $fh	737	# we seemingly have to make a local copy of the whole thing,
367	or return;	738	# otherwise perl prematurely frees the stuff :/
		739	# TODO: investigate and fix (likely this will be rather laborious)
368		740
369	aio_rename "$runtime~", $runtime	741	my @res = Coro::Util::fork_eval {
370	and return;	742	cf::post_fork;
		743	&$cb
		744	} @args;
371		745
		746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
372	1	750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
		785	}
		786
		787	=item $value = cf::db_get $family => $key
		788
		789	Returns a single value from the environment database.
		790
		791	=item cf::db_put $family => $key => $value
		792
		793	Stores the given C<$value> in the family. It can currently store binary
		794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		795
		796	=item $db = cf::db_table "name"
		797
		798	Create and/or open a new database table. The string must not be "db" and must be unique
		799	within each server.
		800
		801	=cut
		802
		803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
		807	my ($name) = @_;
		808	my $db = BDB::db_create $DB_ENV;
		809
		810	eval {
		811	$db->set_flags (BDB::CHKSUM);
		812
		813	utf8::encode $name;
		814	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		815	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		816	cf::cleanup "db_open(db): $!" if $!;
		817	};
		818	cf::cleanup "db_open(db): $@" if $@;
		819
		820	$db
		821	}
		822
		823	our $DB;
		824
		825	sub db_init {
		826	$DB ||= db_table "db";
		827	}
		828
		829	sub db_get($$) {
		830	my $key = "$_[0]/$_[1]";
		831
		832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
		835	BDB::db_get $DB, undef, $key, my $data;
		836
		837	$! ? ()
		838	: $data
		839	}
		840
		841	sub db_put($$$) {
		842	BDB::dbreq_pri 4;
		843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		844	}
		845
		846	=item cf::cache $id => [$paths...], $processversion => $process
		847
		848	Generic caching function that returns the value of the resource $id,
		849	caching and regenerating as required.
		850
		851	This function can block.
		852
		853	=cut
		854
		855	sub cache {
		856	my ($id, $src, $processversion, $process) = @_;
		857
		858	my $meta =
		859	join "\x00",
		860	$processversion,
		861	map {
		862	aio_stat $_
		863	and Carp::croak "$_: $!";
		864
		865	($_, (stat _)[7,9])
		866	} @$src;
		867
		868	my $dbmeta = db_get cache => "$id/meta";
		869	if ($dbmeta ne $meta) {
		870	# changed, we may need to process
		871
		872	my @data;
		873	my $md5;
		874
		875	for (0 .. $#$src) {
		876	$data[$_] = load_file $src->[$_];
		877	}
		878
		879	# if processing is expensive, check
		880	# checksum first
		881	if (1) {
		882	$md5 =
		883	join "\x00",
		884	$processversion,
		885	map {
		886	cf::cede_to_tick;
		887	($src->[$_], Digest::MD5::md5_hex $data[$_])
		888	} 0.. $#$src;
		889
		890
		891	my $dbmd5 = db_get cache => "$id/md5";
		892	if ($dbmd5 eq $md5) {
		893	db_put cache => "$id/meta", $meta;
		894
		895	return db_get cache => "$id/data";
		896	}
		897	}
		898
		899	my $t1 = Time::HiRes::time;
		900	my $data = $process->(\@data);
		901	my $t2 = Time::HiRes::time;
		902
		903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		904
		905	db_put cache => "$id/data", $data;
		906	db_put cache => "$id/md5" , $md5;
		907	db_put cache => "$id/meta", $meta;
		908
		909	return $data;
		910	}
		911
		912	db_get cache => "$id/data"
		913	}
		914
		915	=item cf::datalog type => key => value, ...
		916
		917	Log a datalog packet of the given type with the given key-value pairs.
		918
		919	=cut
		920
		921	sub datalog($@) {
		922	my ($type, %kv) = @_;
		923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	924	}
374		925
375	=back	926	=back
376		927
377	=cut	928	=cut
378		929
379	#############################################################################	930	#############################################################################
380		931
381	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
382		933
383	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
386		937
387	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	940	Deliantra).
390		941
391	=over 4	942	=over 4
392		943
393	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
394		945
…		…
438	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
439		990
440	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
442		993
443	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
445		996
446	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
447		998
448	=over 4	999	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1108	$registry = $CB_TYPE[$object_type] ||= [];
558		1109
559	} elsif ($type eq "subtype") {	1110	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1111	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1112	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1113	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1114
564	} elsif ($type eq "package") {	1115	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1116	my $pkg = shift @arg;
566		1117
567	while (my ($name, $id) = each %cb_id) {	1118	while (my ($name, $id) = each %cb_id) {
…		…
572		1123
573	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1126
576	} elsif (ref $type) {	1127	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
578		1129
579	} else {	1130	} else {
580	shift @arg;	1131	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
582	}	1133	}
583	}	1134	}
584	}	1135	}
585		1136
586	sub _object_attach {	1137	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
597	}	1148	}
598		1149
599	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
600	} else {	1151	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1153	}
603		1154
604	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
605	}	1156	}
606		1157
…		…
608	if (ref $_[0]) {	1159	if (ref $_[0]) {
609	_object_attach @_;	1160	_object_attach @_;
610	} else {	1161	} else {
611	_attach shift->_attach_registry, @_;	1162	_attach shift->_attach_registry, @_;
612	}	1163	}
		1164	_recalc_want;
613	};	1165	};
614		1166
615	# all those should be optimised	1167	# all those should be optimised
616	sub cf::attachable::detach {	1168	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1169	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1172	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1173	reattach ($obj);
622	} else {	1174	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1175	Carp::croak "cannot, currently, detach class attachments";
624	}	1176	}
		1177	_recalc_want;
625	};	1178	};
626		1179
627	sub cf::attachable::attached {	1180	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1181	my ($obj, $name) = @_;
629		1182
…		…
644	";	1197	";
645	die if $@;	1198	die if $@;
646	}	1199	}
647		1200
648	our $override;	1201	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1202	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1203
651	sub override {	1204	sub override {
652	$override = 1;	1205	$override = 1;
653	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
654	}	1207	}
655		1208
656	sub do_invoke {	1209	sub do_invoke {
657	my $event = shift;	1210	my $event = shift;
658	my $callbacks = shift;	1211	my $callbacks = shift;
659		1212
660	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
661		1214
662	local $override;	1215	local $override;
663		1216
664	for (@$callbacks) {	1217	for (@$callbacks) {
665	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
666		1219
667	if ($@) {	1220	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1222	override;
671	}	1223	}
672		1224
673	return 1 if $override;	1225	return 1 if $override;
674	}	1226	}
675		1227
676	0	1228	0
677	}	1229	}
678		1230
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1232
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1234
683	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
684		1236
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1237	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1238	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1240
689	=back	1241	=back
690		1242
691	=cut	1243	=cut
692		1244
693	#############################################################################	1245	#############################################################################
694	# object support	1246	# object support
		1247
		1248	sub _object_equal($$);
		1249	sub _object_equal($$) {
		1250	my ($a, $b) = @_;
		1251
		1252	return 0 unless (ref $a) eq (ref $b);
		1253
		1254	if ("HASH" eq ref $a) {
		1255	my @ka = keys %$a;
		1256	my @kb = keys %$b;
		1257
		1258	return 0 if @ka != @kb;
		1259
		1260	for (0 .. $#ka) {
		1261	return 0 unless $ka[$_] eq $kb[$_];
		1262	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1263	}
		1264
		1265	} elsif ("ARRAY" eq ref $a) {
		1266
		1267	return 0 if @$a != @$b;
		1268
		1269	for (0 .. $#$a) {
		1270	return 0 unless _object_equal $a->[$_], $b->[$_];
		1271	}
		1272
		1273	} elsif ($a ne $b) {
		1274	return 0;
		1275	}
		1276
		1277	1
		1278	}
		1279
		1280	our $SLOW_MERGES;#d#
		1281	sub _can_merge {
		1282	my ($ob1, $ob2) = @_;
		1283
		1284	++$SLOW_MERGES;#d#
		1285
		1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
		1288	}
695		1289
696	sub reattach {	1290	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1292	my ($obj) = @_;
699		1293
		1294	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1296
702	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
703		1298
704	@$registry = ();	1299	@$registry = ();
705		1300
…		…
710	for (@$attach) {	1305	for (@$attach) {
711	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
713	}	1308	}
714	} else {	1309	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1311	}
717	}	1312	}
718	}	1313	}
719		1314
720	cf::attachable->attach (	1315	cf::attachable->attach (
721	prio => -1000000,	1316	prio => -1000000,
722	on_instantiate => sub {	1317	on_instantiate => sub {
723	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
724		1319
725	$data = from_json $data;	1320	$data = decode_json $data;
726		1321
727	for (@$data) {	1322	for (@$data) {
728	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
729		1324
730	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1341	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
748		1343
749	sync_job {	1344	sync_job {
750	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
753		1350
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1354	if ($cf::USE_FSYNC) {
		1355	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;
757	aio_fsync $fh;	1356	aio_fsync $fh;
		1357	}
758	close $fh;	1358	aio_close $fh;
759		1359
760	if (@$objs) {	1360	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
		1365	if ($cf::USE_FSYNC) {
		1366	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;
765	aio_fsync $fh;	1367	aio_fsync $fh;
		1368	}
766	close $fh;	1369	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
768	}	1371	}
769	} else {	1372	} else {
770	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
771	}	1374	}
772		1375
773	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1380	} else {
775	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
776	}	1382	}
777	} else {	1383	} else {
778	aio_unlink $filename;	1384	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
780	}	1386	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1387	};
788	}	1388	}
789		1389
790	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
792		1392
…		…
797		1397
798	sub object_thawer_load {	1398	sub object_thawer_load {
799	my ($filename) = @_;	1399	my ($filename) = @_;
800		1400
801	my ($data, $av);	1401	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1402
806	(aio_load $filename, $data) >= 0	1403	(aio_load $filename, $data) >= 0
807	or return;	1404	or return;
808		1405
809	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
811	or return;	1408	or return;
		1409
812	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
813	}	1412	}
814		1413
		1414	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
817	return ($data, $av);	1419	($data, $av)
818	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
819		1427
820	#############################################################################	1428	#############################################################################
821	# command handling &c	1429	# command handling &c
822		1430
823	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1445	}
838		1446
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1448
841	Register a callbackf ro execution when the client sends an extcmd packet.	1449	Register a callback for execution when the client sends an (synchronous)
		1450	extcmd packet. Ext commands will be processed in the order they are
		1451	received by the server, like other user commands. The first argument is
		1452	the logged-in player. Ext commands can only be processed after a player
		1453	has logged in successfully.
842		1454
843	If the callback returns something, it is sent back as if reply was being	1455	If the callback returns something, it is sent back as if reply was being
844	called.	1456	called.
845		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
846	=cut	1469	=cut
847		1470
848	sub register_extcmd {	1471	sub register_extcmd {
849	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
850		1473
851	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
852	}	1475	}
853		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
854	cf::player->attach (	1485	cf::player->attach (
855	on_command => sub {	1486	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
857		1488
858	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
859	or return;	1490	or return;
860		1491
…		…
865	cf::override;	1496	cf::override;
866	},	1497	},
867	on_extcmd => sub {	1498	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
869		1500
870	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1502
872	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
878	} else {	1515	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1517	}
881		1518
882	cf::override;	1519	cf::override;
883	},	1520	},
884	);	1521	);
885		1522
		1523	# "readahead" all extensions
886	sub load_extension {	1524	sub cache_extensions {
887	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
888		1526
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1530	}
914	die $@;
915	}	1531	};
916		1532
917	push @EXTS, $pkg;	1533	$grp
918	}	1534	}
919		1535
920	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
921	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1543	next unless -r $path;
923	eval {	1544
924	load_extension $ext;	1545	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1546	my $base = $1;
		1547	my $pkg = $1;
		1548	$pkg =~ s/[^[:word:]]/_/g;
		1549	$pkg = "ext::$pkg";
		1550
		1551	open my $fh, "<:utf8", $path
		1552	or die "$path: $!";
		1553
		1554	my $source = do { local $/; <$fh> };
		1555
		1556	my %ext = (
		1557	path => $path,
		1558	base => $base,
		1559	pkg => $pkg,
		1560	);
		1561
		1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1564
		1565	$ext{source} =
		1566	"package $pkg; use common::sense;\n"
		1567	. "#line 1 \"$path\"\n{\n"
		1568	. $source
		1569	. "\n};\n1";
		1570
		1571	$todo{$base} = \%ext;
		1572	}
		1573
		1574	my $pass = 0;
		1575	my %done;
		1576	while (%todo) {
		1577	my $progress;
		1578
		1579	++$pass;
		1580
		1581	ext:
		1582	while (my ($k, $v) = each %todo) {
		1583	for (split /,\s*/, $v->{meta}{depends}) {
		1584	next ext
		1585	unless exists $done{$_};
		1586	}
		1587
		1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1589
		1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
		1593	error "$v->{path}: $@\n";
		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1596	if exists $v->{meta}{mandatory};
		1597
		1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
		1607	}
925	1	1608	}
926	} or warn "$ext not loaded: $@";	1609
		1610	unless ($progress) {
		1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
		1620	}
927	}	1621	};
928	}	1622	}
929		1623
930	#############################################################################	1624	#############################################################################
931		1625
		1626	=back
		1627
932	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
933		1629
934	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
935		1631
936	=cut	1632	=cut
937		1633
938	package cf::player;	1634	package cf::player;
939		1635
…		…
941		1637
942	=head3 cf::player	1638	=head3 cf::player
943		1639
944	=over 4	1640	=over 4
945		1641
		1642	=item cf::player::num_playing
		1643
		1644	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1645
		1646	=cut
		1647
		1648	sub num_playing {
		1649	scalar grep
		1650	$_->ob->map
		1651	&& !$_->hidden
		1652	&& !$_->ob->flag (cf::FLAG_WIZ),
		1653	cf::player::list
		1654	}
		1655
946	=item cf::player::find $login	1656	=item cf::player::find $login
947		1657
948	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
949		1659
950	=cut	1660	=cut
951		1661
952	sub playerdir($) {	1662	sub playerdir($) {
953	cf::localdir	1663	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1664	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1665	}
959		1666
960	sub path($) {	1667	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1668	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1669
963	(playerdir $login) . "/$login.pl"	1670	(playerdir $login) . "/playerdata"
964	}	1671	}
965		1672
966	sub find_active($) {	1673	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1674	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1675	and $cf::PLAYER{$_[0]}->active
…		…
971		1678
972	sub exists($) {	1679	sub exists($) {
973	my ($login) = @_;	1680	my ($login) = @_;
974		1681
975	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
977	}	1684	}
978		1685
979	sub find($) {	1686	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1688	my $login = $_[0];
982		1689
983	my $guard = cf::lock_acquire "user_find:$login";	1690	my $guard = cf::lock_acquire "user_find:$login";
984		1691
985	$cf::PLAYER{$_[0]} || do {	1692	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1693	# rename old playerfiles to new ones
		1694	#TODO: remove when no longer required
		1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1698	aio_unlink +(playerdir $login) . "/$login.pl";
		1699
		1700	my $f = new_from_file cf::object::thawer path $login
987	or return;	1701	or return;
		1702
		1703	my $pl = cf::player::load_pl $f
		1704	or return;
		1705
		1706	local $cf::PLAYER_LOADING{$login} = $pl;
		1707	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
989	}	1709	}
990	}	1710	}
991	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
992		1725
993	sub save($) {	1726	sub save($) {
994	my ($pl) = @_;	1727	my ($pl) = @_;
995		1728
996	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1002		1735
1003	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1005		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1743
1006	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1007	Coro::cede;	1745	cf::cede_to_tick;
1008	}	1746	}
1009		1747
1010	sub new($) {	1748	sub new($) {
1011	my ($login) = @_;	1749	my ($login) = @_;
1012		1750
…		…
1018	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1019		1757
1020	$self	1758	$self
1021	}	1759	}
1022		1760
		1761	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1762
		1763	=cut
		1764
		1765	sub send_msg {
		1766	my $ns = shift->ns
		1767	or return;
		1768	$ns->send_msg (@_);
		1769	}
		1770
1023	=item $pl->quit_character	1771	=item $pl->quit_character
1024		1772
1025	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1027		1775
1028	=cut	1776	=cut
1029		1777
1030	sub quit_character {	1778	sub quit_character {
1031	my ($pl) = @_;	1779	my ($pl) = @_;
1032		1780
		1781	my $name = $pl->ob->name;
		1782
1033	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1785
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1039	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1040		1794
1041	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1798	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1799	$pl->destroy;
		1800
		1801	my $prefix = qr<^~\Q$name\E/>;
		1802
		1803	# nuke player maps
		1804	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1805
1046	IO::AIO::aio_rmtree $temp;	1806	IO::AIO::aio_rmtree $temp;
		1807	}
		1808
		1809	=item $pl->kick
		1810
		1811	Kicks a player out of the game. This destroys the connection.
		1812
		1813	=cut
		1814
		1815	sub kick {
		1816	my ($pl, $kicker) = @_;
		1817
		1818	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1819	$pl->killer ("kicked");
		1820	$pl->ns->destroy;
1047	}	1821	}
1048		1822
1049	=item cf::player::list_logins	1823	=item cf::player::list_logins
1050		1824
1051	Returns am arrayref of all valid playernames in the system, can take a	1825	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1826	while and may block, so not sync_job-capable, ever.
1053		1827
1054	=cut	1828	=cut
1055		1829
1056	sub list_logins {	1830	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1831	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1832	or return [];
1059		1833
1060	my @logins;	1834	my @logins;
1061		1835
1062	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
		1837	my $path = path $login;
		1838
		1839	# a .pst is a dead give-away for a valid player
		1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1066		1846
1067	utf8::decode $login;	1847	utf8::decode $login;
1068	push @logins, $login;	1848	push @logins, $login;
1069	}	1849	}
1070		1850
1071	\@logins	1851	\@logins
1072	}	1852	}
1073		1853
1074	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1075		1857
1076	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1077	player. May block.	1859	player. May block.
1078		1860
1079	=cut	1861	=cut
…		…
1097	}	1879	}
1098		1880
1099	\@paths	1881	\@paths
1100	}	1882	}
1101		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1103		1889
1104	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1105		1891
1106	=cut	1892	=cut
1107		1893
1108	sub ext_reply($$$%) {	1894	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1110		1896
1111	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1898	}
1115		1899
1116	package cf;	1900	=item $player->ext_msg ($type, @msg)
		1901
		1902	Sends an ext event to the client.
		1903
		1904	=cut
		1905
		1906	sub ext_msg($$@) {
		1907	my ($self, $type, @msg) = @_;
		1908
		1909	$self->ns->ext_msg ($type, @msg);
		1910	}
		1911
		1912	=head3 cf::region
		1913
		1914	=over 4
		1915
		1916	=cut
		1917
		1918	package cf::region;
		1919
		1920	=item cf::region::find_by_path $path
		1921
		1922	Tries to decuce the likely region for a map knowing only its path.
		1923
		1924	=cut
		1925
		1926	sub find_by_path($) {
		1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
		1931	my ($match, $specificity);
		1932
		1933	for my $region (list) {
		1934	if ($region->{match} && $path =~ $region->{match}) {
		1935	($match, $specificity) = ($region, $region->specificity)
		1936	if $region->specificity > $specificity;
		1937	}
		1938	}
		1939
		1940	$match
		1941	}
1117		1942
1118	=back	1943	=back
1119
1120		1944
1121	=head3 cf::map	1945	=head3 cf::map
1122		1946
1123	=over 4	1947	=over 4
1124		1948
…		…
1136	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1138		1962
1139	sub generate_random_map {	1963	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1142	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1969	}
1156		1970
1157	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1158		1972
1159	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1164		1978
1165	sub register {	1979	sub register {
1166	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1981	my $pkg = caller;
1168		1982
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1984
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1986	}
1174		1987
1175	# also paths starting with '/'	1988	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1990
1178	sub thawer_merge {	1991	sub thawer_merge {
1179	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1180		1993
1181	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1182	local $self->{path};	1995	local $self->{path};
1183	local $self->{load_path};	1996	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1997
1187	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1188	}	1999	}
1189		2000
1190	sub normalise {	2001	sub normalise {
1191	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1192		2003
1193	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1194		2005
1195	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1196		2007
1197	# map plan:	2008	# map plan:
1198	#	2009	#
…		…
1213	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	2025	$path = "$base/$path";
1215	}	2026	}
1216		2027
1217	for ($path) {	2028	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1221	}	2031	}
1222		2032
1223	$path	2033	$path
…		…
1237	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1238	return $self;	2048	return $self;
1239	}	2049	}
1240	}	2050	}
1241		2051
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2053	()
1244	}	2054	}
1245		2055
		2056	# may re-bless or do other evil things
1246	sub init {	2057	sub init {
1247	my ($self) = @_;	2058	my ($self) = @_;
1248		2059
1249	$self	2060	$self
1250	}	2061	}
…		…
1262		2073
1263	# the original (read-only) location	2074	# the original (read-only) location
1264	sub load_path {	2075	sub load_path {
1265	my ($self) = @_;	2076	my ($self) = @_;
1266		2077
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2078	"$MAPDIR/$self->{path}.map"
1268	}	2079	}
1269		2080
1270	# the temporary/swap location	2081	# the temporary/swap location
1271	sub save_path {	2082	sub save_path {
1272	my ($self) = @_;	2083	my ($self) = @_;
1273		2084
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2086	"$TMPDIR/$path.map"
1276	}	2087	}
1277		2088
1278	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1279	sub uniq_path {	2090	sub uniq_path {
1280	my ($self) = @_;	2091	my ($self) = @_;
1281		2092
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2094	"$UNIQUEDIR/$path"
1284	}	2095	}
1285		2096
1286	# and all this just because we cannot iterate over	2097	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2098	my ($self) = @_;
1290		2099
1291	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1293	}	2103	}
1294		2104
1295	sub unlink_save {	2105	sub unlink_save {
1296	my ($self) = @_;	2106	my ($self) = @_;
1297		2107
1298	utf8::encode (my $save = $self->save_path);	2108	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2109	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2110	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2111	}
1307		2112
1308	sub load_header_from($) {	2113	sub load_header_from($) {
1309	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1310		2115
1311	utf8::encode $path;	2116	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2118	or return;
1317		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1318	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1319		2127
1320	1	2128	1
1321	}	2129	}
1322		2130
		2131	# used to laod the header of an original map
1323	sub load_header_orig {	2132	sub load_header_orig {
1324	my ($self) = @_;	2133	my ($self) = @_;
1325		2134
1326	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1327	}	2136	}
1328		2137
		2138	# used to laod the header of an instantiated map
1329	sub load_header_temp {	2139	sub load_header_temp {
1330	my ($self) = @_;	2140	my ($self) = @_;
1331		2141
1332	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1333	}	2143	}
1334		2144
		2145	# called after loading the header from an instantiated map
1335	sub prepare_temp {	2146	sub prepare_temp {
1336	my ($self) = @_;	2147	my ($self) = @_;
1337		2148
1338	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1339	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1340	# safety	2151	# safety
1341	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1342	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1343	}	2154	}
1344		2155
		2156	# called after loading the header from an original map
1345	sub prepare_orig {	2157	sub prepare_orig {
1346	my ($self) = @_;	2158	my ($self) = @_;
1347		2159
1348	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1349	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1360	$self->load_header_orig	2172	$self->load_header_orig
1361	or return;	2173	or return;
1362	$self->prepare_orig;	2174	$self->prepare_orig;
1363	}	2175	}
1364		2176
		2177	$self->{deny_reset} = 1
		2178	if $self->no_reset;
		2179
		2180	$self->default_region (cf::region::find_by_path $self->{path})
		2181	unless $self->default_region;
		2182
1365	1	2183	1
1366	}	2184	}
1367		2185
1368	sub find;	2186	sub find;
1369	sub find {	2187	sub find {
1370	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1371		2189
		2190	cf::cede_to_tick;
		2191
1372	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1373		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2196
1376	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1379	or return;	2199	or return;
1380		2200
1381	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1382		2202
1383	$map->load_header	2203	$map->load_header
1384	or return;	2204	or return;
1385		2205
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1389	$map->reset;	2211	$map->reset;
1390	undef $guard;
1391	return find $path;	2212	return find $path;
1392	}	2213	}
1393		2214
1394	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1395	}	2216	}
1396	}	2217	}
1397		2218
1398	sub pre_load { }	2219	sub pre_load { }
1399	sub post_load { }	2220	#sub post_load { } # XS
1400		2221
1401	sub load {	2222	sub load {
1402	my ($self) = @_;	2223	my ($self) = @_;
1403		2224
1404	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1405		2226
1406	my $path = $self->{path};	2227	my $path = $self->{path};
		2228
		2229	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1408		2231
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2232	return unless $self->valid;
		2233	return unless $self->state == cf::MAP_SWAPPED;
1410		2234
1411	$self->in_memory (cf::MAP_LOADING);
1412
1413	$self->alloc;	2235	$self->alloc;
1414		2236
1415	$self->pre_load;	2237	$self->pre_load;
		2238	cf::cede_to_tick;
1416		2239
1417	$self->_load_objects ($self->{load_path}, 1)	2240	if (exists $self->{load_path}) {
		2241	my $f = new_from_file cf::object::thawer $self->{load_path};
		2242	$f->skip_block;
		2243	$self->_load_objects ($f)
1418	or return;	2244	or return;
1419		2245
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1421	if delete $self->{load_original};	2247	if delete $self->{load_original};
1422		2248
1423	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2250	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2253	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1428	}	2258	}
1429	}
1430		2259
1431	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
1432		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1433	# now do the right thing for maps	2269	# now do the right thing for maps
1434	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2272	unless $self->difficulty;
1444	Coro::cede;	2273	cf::cede_to_tick;
1445	$self->activate;	2274
		2275	unless ($self->{deny_activate}) {
		2276	$self->decay_objects;
		2277	$self->fix_auto_apply;
		2278	$self->update_buttons;
		2279	cf::cede_to_tick;
		2280	#$self->activate; # no longer activate maps automatically
		2281	}
		2282
		2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1446	}	2285	}
1447		2286
1448	$self->post_load;	2287	$self->post_load;
1449		2288
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2289	1
1451	}	2290	}
1452		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2295	sub customise_for {
1454	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1455		2297
1456	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2299	if $self->per_player;
1458		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1459	$self	2304	$self
1460	}
1461
1462	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {
1464	my ($map) = @_;
1465
1466	my @diag; # diagonal neighbours
1467
1468	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)
1470	or next;
1471	$neigh = find $neigh, $map
1472	or next;
1473	$neigh->load;
1474
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}
1478
1479	for (@diag) {
1480	my $neigh = find @$_
1481	or next;
1482	$neigh->load;
1483	}
1484	}	2305	}
1485		2306
1486	sub find_sync {	2307	sub find_sync {
1487	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1488		2309
1489	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
1490	}	2315	}
1491		2316
1492	sub do_load_sync {	2317	sub do_load_sync {
1493	my ($map) = @_;	2318	my ($map) = @_;
1494		2319
1495	cf::sync_job { $map->load };	2320	# it's a bug to call this from the main context
		2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2322	if $Coro::current == $Coro::main;
		2323
		2324	$map->load;
1496	}	2325	}
1497		2326
1498	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1500		2329
1501	sub find_async {	2330	sub find_async {
1502	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1503		2332
1504	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1505		2334
1506	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1508	}	2337	}
1509		2338
1510	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1511	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1512	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2346	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2347	$map->load if $v;
		2348	}
1517		2349
1518	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1519	}	2351	}
1520	}	2352	}
1521	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1522	};	2354	};
1523	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1524		2356
1525	()	2357	()
1526	}	2358	}
1527		2359
		2360	# common code, used by both ->save and ->swapout
1528	sub save {	2361	sub _save {
1529	my ($self) = @_;	2362	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2363
1533	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1534		2365
1535	return unless $self->dirty;	2366	return unless $self->dirty;
1536		2367
…		…
1542	return if $self->{deny_save};	2373	return if $self->{deny_save};
1543		2374
1544	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1545		2376
1546	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1548	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1549		2383
1550	if ($uniq) {	2384	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2387	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2389	}
1556	}	2390	}
1557		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1558	sub swap_out {	2400	sub swap_out {
1559	my ($self) = @_;	2401	my ($self) = @_;
1560		2402
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1566	return if $self->players;	2407	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
1570	$self->clear;	2418	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2419	}
1573		2420
1574	sub reset_at {	2421	sub reset_at {
1575	my ($self) = @_;	2422	my ($self) = @_;
1576		2423
1577	# TODO: safety, remove and allow resettable per-player maps	2424	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2425	return 1e99 if $self->{deny_reset};
1580		2426
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2429
…		…
1594	my ($self) = @_;	2440	my ($self) = @_;
1595		2441
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2443
1598	return if $self->players;	2444	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2445
1601	warn "resetting map ", $self->path;#d#	2446	cf::trace "resetting map ", $self->path, "\n";
		2447
		2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
1602		2457
1603	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1604		2459
1605	$self->in_memory (cf::MAP_SWAPPED);	2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2462	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2463
1610	$self->unlink_save;	2464	$self->unlink_save;
1611	$self->destroy;	2465	$self->destroy;
1612	}	2466	}
1613		2467
1614	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1615		2469
1616	sub nuke {	2470	sub nuke {
1617	my ($self) = @_;	2471	my ($self) = @_;
1618		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1619	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1620		2477
1621	$self->unlink_save;	2478	$self->unlink_save;
1622		2479
1623	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2485
1629	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1630		2488
1631	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
		2490	}
		2491
		2492	=item $maps = cf::map::tmp_maps
		2493
		2494	Returns an arrayref with all map paths of currently instantiated and saved
		2495	maps. May block.
		2496
		2497	=cut
		2498
		2499	sub tmp_maps() {
		2500	[
		2501	map {
		2502	utf8::decode $_;
		2503	/\.map$/
		2504	? normalise $_
		2505	: ()
		2506	} @{ aio_readdir $TMPDIR or [] }
		2507	]
		2508	}
		2509
		2510	=item $maps = cf::map::random_maps
		2511
		2512	Returns an arrayref with all map paths of currently instantiated and saved
		2513	random maps. May block.
		2514
		2515	=cut
		2516
		2517	sub random_maps() {
		2518	[
		2519	map {
		2520	utf8::decode $_;
		2521	/\.map$/
		2522	? normalise "?random/$_"
		2523	: ()
		2524	} @{ aio_readdir $RANDOMDIR or [] }
		2525	]
1632	}	2526	}
1633		2527
1634	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1635		2529
1636	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2531	instantiated unique items. May block.
1638		2532
1639	=cut	2533	=cut
1640		2534
1641	sub unique_maps() {	2535	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2536	[
1643	or return;	2537	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2538	utf8::decode $_;
1649	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2541	? ()
1652	push @paths, cf::map::normalise $_;	2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2544	]
1654
1655	\@paths
1656	}	2545	}
1657		2546
1658	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
1659		2578
1660	=back	2579	=back
1661		2580
1662	=head3 cf::object	2581	=head3 cf::object
1663		2582
…		…
1667		2586
1668	=over 4	2587	=over 4
1669		2588
1670	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1671		2590
1672	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
1673		2593
1674	=cut	2594	=cut
1675		2595
1676	sub inv_recursive_;	2596	sub inv_recursive_;
1677	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1680		2600
1681	sub inv_recursive {	2601	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1683	}	2603	}
1684		2604
		2605	=item $ref = $ob->ref
		2606
		2607	Creates and returns a persistent reference to an object that can be stored as a string.
		2608
		2609	=item $ob = cf::object::deref ($refstring)
		2610
		2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2612	even if the object actually exists. May block.
		2613
		2614	=cut
		2615
		2616	sub deref {
		2617	my ($ref) = @_;
		2618
		2619	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2620	my ($uuid, $name) = ($1, $2);
		2621	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2622	or return;
		2623	$pl->ob->uuid eq $uuid
		2624	or return;
		2625
		2626	$pl->ob
		2627	} else {
		2628	warn "$ref: cannot resolve object reference\n";
		2629	undef
		2630	}
		2631	}
		2632
1685	package cf;	2633	package cf;
1686		2634
1687	=back	2635	=back
1688		2636
1689	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1698		2646
1699	=cut	2647	=cut
		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
1700		2662
1701	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2664	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1706		2668
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2670
1709	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1711	} else {	2674	} else {
		2675	my $pl = $self->contr;
		2676
		2677	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2678	my $dialog = $pl->{npc_dialog};
		2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2680
		2681	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1714	}	2685	}
		2686	}
		2687
		2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2689
		2690	=cut
		2691
		2692	sub cf::object::send_msg {
		2693	my $pl = shift->contr
		2694	or return;
		2695	$pl->send_msg (@_);
1715	}	2696	}
1716		2697
1717	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1718		2699
1719	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1732		2713
1733	=item $player_object->enter_link	2714	=item $player_object->enter_link
1734		2715
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2717
1737	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
1739		2722
1740	Will never block.	2723	Will never block.
1741		2724
1742	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1743		2726
…		…
1763	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2747	my ($self) = @_;
1765		2748
1766	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1767		2750
		2751	++$self->{_link_recursion};
		2752
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2754
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2756	if $self->map && $self->map->{path} ne "{link}";
1772		2757
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2759	}
1775		2760
1776	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
		2763
		2764	return unless $self->contr->active;
1778		2765
1779	my $link_pos = delete $self->{_link_pos};	2766	my $link_pos = delete $self->{_link_pos};
1780		2767
1781	unless ($map) {	2768	unless ($map) {
1782	# restore original map position	2769	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1795		2782
1796	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1799		2786
1800	$map->load;	2787	$map->load;
1801	$map->load_diag;
1802		2788
1803	return unless $self->contr->active;	2789	return unless $self->contr->active;
		2790
		2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2792	if ($self->enter_map ($map, $x, $y)) {
		2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2796	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2797	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2798
1822	# try to abort aborted map switching on player login :)	2799	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2800
1840	=item $player_object->goto ($path, $x, $y)	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2802
		2803	Moves the player to the given map-path and coordinates by first freezing
		2804	her, loading and preparing them map, calling the provided $check callback
		2805	that has to return the map if sucecssful, and then unfreezes the player on
		2806	the new (success) or old (failed) map position. In either case, $done will
		2807	be called at the end of this process.
		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
1842	=cut	2812	=cut
		2813
		2814	our $GOTOGEN;
1843		2815
1844	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
		2824
		2825	# do generation counting so two concurrent goto's will be executed in-order
		2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2827
1847	$self->enter_link;	2828	$self->enter_link;
1848		2829
1849	(async {	2830	(async {
		2831	$Coro::current->{desc} = "player::goto $path $x $y";
		2832
		2833	# *tag paths override both path and x|y
		2834	if ($path =~ /^\*(.*)$/) {
		2835	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2836	my $ob = $obs[rand @obs];
		2837
		2838	# see if we actually can go there
		2839	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2840	$ob = $obs[rand @obs];
		2841	} else {
		2842	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2843	}
		2844	# else put us there anyways for now #d#
		2845
		2846	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2847	} else {
		2848	($path, $x, $y) = (undef, undef, undef);
		2849	}
		2850	}
		2851
1850	my $map = eval {	2852	my $map = eval {
1851	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2854
		2855	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2856	$map = $map->customise_for ($self);
		2857	$map = $check->($map, $x, $y, $self) if $check && $map;
		2858	} else {
		2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	}
		2861
1853	$map	2862	$map
		2863	};
		2864
		2865	if ($@) {
		2866	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2867	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2868	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2869
		2870	if ($gen == $self->{_goto_generation}) {
		2871	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
		2873	}
		2874
		2875	$done->($self) if $done;
1858	})->prio (1);	2876	})->prio (1);
1859	}	2877	}
1860		2878
1861	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1862		2880
…		…
1882	}	2900	}
1883		2901
1884	sub prepare_random_map {	2902	sub prepare_random_map {
1885	my ($exit) = @_;	2903	my ($exit) = @_;
1886		2904
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2907	# that depends on the exit object
1892		2908
1893	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2911	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
1900	}	2918	}
1901		2919
1902	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
1903		2921
1904	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
1907		2925
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2928	undef $fh;
1911	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
1912		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
1915	}	2937	}
1916	}	2938	}
1917		2939
1918	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
1920		2942
1921	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
1922		2944
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2945	$self->enter_link;
1933		2946
1934	(async {	2947	(async {
1935	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
1936	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
1937	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
1938		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
1939	1;	2986	1
1940	}) {	2987	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2992
1946	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2994	$self->leave_link;
1948	}	2995	}
1949	})->prio (1);	2996	})->prio (1);
1950	}	2997	}
1951		2998
…		…
1962		3009
1963	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
1965		3012
1966	utf8::encode $text;	3013	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	3015	}
1969		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
		3040	}
		3041
		3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3043
		3044	Send a drawinfo or msg packet to the client, formatting the msg for the
		3045	client if neccessary. C<$type> should be a string identifying the type of
		3046	the message, with C<log> being the default. If C<$color> is negative, suppress
		3047	the message unless the client supports the msg packet.
		3048
		3049	=cut
		3050
		3051	# non-persistent channels (usually the info channel)
		3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
		3059	"c/identify" => {
		3060	id => "infobox",
		3061	title => "Identify",
		3062	reply => undef,
		3063	tooltip => "Items recently identified",
		3064	},
		3065	"c/examine" => {
		3066	id => "infobox",
		3067	title => "Examine",
		3068	reply => undef,
		3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
		3076	},
		3077	"c/book" => {
		3078	id => "infobox",
		3079	title => "Book",
		3080	reply => undef,
		3081	tooltip => "The contents of a note or book",
		3082	},
		3083	"c/lookat" => {
		3084	id => "infobox",
		3085	title => "Look",
		3086	reply => undef,
		3087	tooltip => "What you saw there",
		3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
		3163	);
		3164
		3165	sub cf::client::send_msg {
		3166	my ($self, $channel, $msg, $color, @extra) = @_;
		3167
		3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
		3170
		3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
		3180	} elsif (ref $channel) {
		3181	# send meta info to client, if not yet sent
		3182	unless (exists $self->{channel}{$channel->{id}}) {
		3183	$self->{channel}{$channel->{id}} = $channel;
		3184	$self->ext_msg (channel_info => $channel);
		3185	}
		3186
		3187	$channel = $channel->{id};
		3188	}
		3189
		3190	return unless @extra || length $msg;
		3191
		3192	# default colour, mask it out
		3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3194	if $color & cf::NDI_DEF;
		3195
		3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
		3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3199	);
		3200
		3201	$self->send_big_packet ($pkt);
		3202	}
		3203
		3204	=item $client->ext_msg ($type, @msg)
		3205
		3206	Sends an ext event to the client.
		3207
		3208	=cut
		3209
		3210	sub cf::client::ext_msg($$@) {
		3211	my ($self, $type, @msg) = @_;
		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
		3216	push @msg, msgtype => "event_$type";
		3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3218	}
		3219	}
		3220
		3221	=item $client->ext_reply ($msgid, @msg)
		3222
		3223	Sends an ext reply to the client.
		3224
		3225	=cut
		3226
		3227	sub cf::client::ext_reply($$@) {
		3228	my ($self, $id, @msg) = @_;
		3229
		3230	return unless $self->extcmd == 2;
		3231
		3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3233	}
1970		3234
1971	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
1972		3236
1973	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3240
1977	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3242	become reliable at some point in the future.
1979		3243
1980	=cut	3244	=cut
1981		3245
1982	sub cf::client::query {	3246	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3255	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3257
1994	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
1996	}	3262	}
1997		3263
1998	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
1999	on_reply => sub {	3270	on_reply => sub {
2000	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2001		3272
2002	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2003	# get handled first	3274	# get handled first
2004	my $queue = delete $ns->{query_queue}	3275	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	3276	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		3277
2007	(shift @$queue)->[1]->($msg);	3278	(shift @$queue)->[1]->($msg);
		3279	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		3280
2009	push @{ $ns->{query_queue} }, @$queue;	3281	push @{ $ns->{query_queue} }, @$queue;
2010		3282
2011	if (@{ $ns->{query_queue} } == @$queue) {	3283	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	3284	if (@$queue) {
…		…
2014	} else {	3286	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	3288	}
2017	}	3289	}
2018	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2019	);	3314	);
2020		3315
2021	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2022		3317
2023	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039		3334
2040	$coro	3335	$coro
2041	}	3336	}
2042		3337
2043	cf::client->attach (	3338	cf::client->attach (
2044	on_destroy => sub {	3339	on_client_destroy => sub {
2045	my ($ns) = @_;	3340	my ($ns) = @_;
2046		3341
2047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2048	},	3343	},
2049	);	3344	);
…		…
2064	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2066		3361
2067	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2068		3363
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2070		3369
2071	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2072		3371
2073	=pod	3372	=pod
2074		3373
2075	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2076		3375
2077	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2078	cf::object::player player	3381	cf::object::player
2079	cf::player peaceful	3382	player
2080	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2081		3389
2082	=cut	3390	=cut
2083		3391
2084	for (	3392	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2086	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2088	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2089	) {	3399	) {
2090	no strict 'refs';
2091	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2092	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2093	for @funs;	3402	for @funs;
2094	}	3403	}
2095		3404
…		…
2110		3419
2111	my $qcode = $code;	3420	my $qcode = $code;
2112	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2113	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2114		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2115	local $_;	3427	local $_;
2116	local @safe::cf::_safe_eval_args = values %vars;
2117		3428
2118	my $eval =	3429	my $eval =
2119	"do {\n"	3430	"do {\n"
2120	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2121	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2122	. $code	3433	. $code
2123	. "\n}"	3434	. "\n}"
2124	;	3435	;
2125		3436
		3437	if ($CFG{safe_eval}) {
2126	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2127	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2128	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2129		3446
2130	if ($@) {	3447	if ($@) {
2131	warn "$@";	3448	warn "$@",
2132	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2133	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2134	}	3451	}
2135		3452
2136	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2137	}	3454	}
2138		3455
…		…
2152	=cut	3469	=cut
2153		3470
2154	sub register_script_function {	3471	sub register_script_function {
2155	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2156		3473
2157	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2158	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2159	}	3476	}
2160		3477
2161	=back	3478	=back
2162		3479
2163	=cut	3480	=cut
2164		3481
2165	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2166		3484
2167	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2168		3487
2169	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2171	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3491
2173	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3493
2176	=over 4	3494	trace "loading facedata from $path\n";
2177		3495
2178	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2179		3497
2180	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2181	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2182	C<cf::db_sync>.
2183		3500
2184	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2185		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2186	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2187		3504	type => FT_RSRC,
2188	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2189		3506	hash => (Digest::MD5::md5 $exp_table),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3507	};
		3508	cf::cede_to_tick;
2216		3509
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2228		3512
2229	my $dirty;	3513	while (my ($face, $info) = each %$faces) {
		3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3515
2231	sub db_sync() {	3516	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2234	}	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2235		3521
2236	my $idle = Event->idle (	3522	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3523	}
2270	);
2271	}
2272		3524
2273	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3526	next unless $info->{smooth};
2275		3527
2276	sub cfg_load {	3528	my $idx = cf::face::find $face
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2278	or return;
2279		3530
2280	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2281	*CFG = YAML::Syck::Load <$fh>;	3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
2282		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3564	} else {
		3565	# $RESOURCE{$name} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
		3574	1
		3575	}
		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($ns, $want) = @_;
		3579
		3580	while (my ($k, $v) = each %$want) {
		3581	$ns->fx_want ($k, $v);
		3582	}
		3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
		3594
		3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
		3600	load_resource_file "$MAPDIR/regions"
		3601	or die "unable to load regions file\n";
		3602
		3603	for (cf::region::list) {
		3604	$_->{match} = qr/$_->{match}/
		3605	if exists $_->{match};
		3606	}
		3607	}
		3608
		3609	sub reload_facedata {
		3610	load_facedata "$DATADIR/facedata"
		3611	or die "unable to load facedata\n";
		3612	}
		3613
		3614	sub reload_archetypes {
		3615	load_resource_file "$DATADIR/archetypes"
		3616	or die "unable to load archetypes\n";
		3617	}
		3618
		3619	sub reload_treasures {
		3620	load_resource_file "$DATADIR/treasures"
		3621	or die "unable to load treasurelists\n";
		3622	}
		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
		3644	sub reload_resources {
		3645	trace "reloading resource files...\n";
		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
		3652	reload_regions;
		3653	reload_treasures;
		3654
		3655	trace "finished reloading resource files\n";
		3656	}
		3657
		3658	sub reload_config {
		3659	trace "reloading config file...\n";
		3660
		3661	my $config = load_file "$CONFDIR/config";
		3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
		3664
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3666
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3669
2288	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2292	};	3674	};
2293	warn $@ if $@;	3675	warn $@ if $@;
2294	}	3676	}
2295	}	3677	}
2296		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
2297	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
2298	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3720	(async {
2302	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2304	};	3724	};
2305		3725
2306	cfg_load;	3726	evthread_start IO::AIO::poll_fileno;
2307	db_load;	3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
		3738	reload_config;
		3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
2308	load_extensions;	3749	load_extensions;
2309		3750
2310	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2311	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2312	}	3768	}
2313		3769
2314	#############################################################################	3770	#############################################################################
2315	# initialisation and cleanup	3771	# initialisation and cleanup
2316		3772
2317	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2318	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2327	},
2328	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2329	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2330	}	3869	}
2331		3870
2332	sub emergency_save() {	3871	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2334		3873
2335	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2336		3880
2337	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2338	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2339	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2340	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2342	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3892	$pl->save;
2346	}	3893	}
2347	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2348		3895
2349	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2350	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2351	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3901	$map->valid or next;
2353	$map->save;	3902	$map->save;
2354	}	3903	}
2355	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
		3905
		3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
		3909	BDB::db_env_txn_checkpoint $DB_ENV;
		3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3934	};
2357		3935
2358	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2359	}	3937	}
2360		3938
		3939	sub post_cleanup {
		3940	my ($make_core) = @_;
		3941
		3942	IO::AIO::flush;
		3943
		3944	error Carp::longmess "post_cleanup backtrace"
		3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2361	sub reload() {	3976	sub do_reload_perl() {
2362	# can/must only be called in main	3977	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2364	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2365	return;	3980	return;
2366	}	3981	}
2367		3982
2368	warn "reloading...";	3983	return if $RELOAD++;
2369		3984
2370	warn "cancelling server ticker";	3985	my $t1 = AE::time;
2371	$TICK_WATCHER->cancel;
2372		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
		3993	cf::sync_job {
2373	cf::emergency_save;	3994	#cf::emergency_save;
2374		3995
2375	eval {
2376	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";
2387	for (;;) {
2388	IO::AIO::flush;
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3998	%EXT_CORO = ();
2397		3999
2398	warn "removing commands";	4000	trace "perl_reload: removing commands";
2399	%COMMAND = ();	4001	%COMMAND = ();
2400		4002
2401	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2402	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2403		4006
2404	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2407		4010
2408	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2409	eval {	4012	eval {
2410	$cb->($pkg);	4013	$cb->($pkg);
2411	1	4014	1
2412	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2413	}	4020	}
2414		4021
2415	warn "... nuking $pkg";
2416	Symbol::delete_package $pkg;
2417	}
2418
2419	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2420	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		4025
2423	warn "... unloading $k";	4026	trace "... unloading $k";
2424	delete $INC{$k};	4027	delete $INC{$k};
2425		4028
2426	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2428		4031
2429	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2430	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2431	}	4037	}
2432		4038
2433	Symbol::delete_package $k;
2434	}
2435
2436	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		4042
2440	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2442		4046
2443	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2444	# and global variables created in xs	4048	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2446		4050
2447	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2448		4052
2449	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2450	require cf;	4054	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2452		4056
2453	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2454	cf::cfg_load;	4058	cf::reload_config;
2455	cf::db_load;
2456		4059
2457	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2458	cf::load_extensions;	4061	cf::load_extensions;
2459		4062
		4063	if ($REATTACH_ON_RELOAD) {
2460	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2461	_global_reattach;	4065	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2463	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
		4068	trace "perl_reload: reattaching attachments to players";
		4069	reattach $_ for values %PLAYER;
		4070	}
2464		4071
2465	warn "restarting server ticker";	4072	cf::_post_init 1;
2466		4073
2467	$TICK_WATCHER->start;	4074	trace "perl_reload: leaving sync_job";
		4075
		4076	1
		4077	} or do {
		4078	error $@;
		4079	cf::cleanup "perl_reload: error, exiting.";
		4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2468	};	4102	};
2469		4103	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		4104
2481	register_command "reload" => sub {	4105	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2483		4107
2484	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2486		4110	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	4112	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	4113	};
2499	}	4114	}
2500	};	4115	};
2501		4116
2502	unshift @INC, $LIBDIR;	4117	#############################################################################
2503		4118
2504	my $bug_warning = 0;	4119	my $bug_warning = 0;
2505		4120
2506	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2507	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2508	parked => 1,	4123
2509	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2510	at => $NEXT_TICK || $TICK,	4125	}
2511	data => WF_AUTOCANCEL,	4126
2512	cb => sub {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
2513	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2516	return;	4139	return;
		4140	}
		4141
		4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4145
		4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
		4150	write_runtime_sync
		4151	or error "ERROR: unable to write runtime file: $!";
2517	}	4152	};
		4153	}
2518		4154
2519	$NOW = Event::time;	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2520		4156	$sig->send;
2521	cf::server_tick; # one server iteration	4157	}
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524
2525	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2527		4159
2528	Event::sweep;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2529	Coro::cede_notself;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4162
		4163	if (0) {
		4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
2530		4168	}
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	4169	}
2540	);	4170	}
2541		4171
		4172	{
		4173	# configure BDB
		4174
		4175	BDB::min_parallel 16;
		4176	BDB::max_poll_reqs $TICK * 0.1;
		4177	#$AnyEvent::BDB::WATCHER->priority (1);
		4178
		4179	unless ($DB_ENV) {
		4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4186
		4187	cf::sync_job {
		4188	eval {
		4189	BDB::db_env_open
		4190	$DB_ENV,
		4191	$BDBDIR,
		4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4194	0666;
		4195
		4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4197	};
		4198
		4199	cf::cleanup "db_env_open(db): $@" if $@;
		4200	};
		4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
		4212	}
		4213
		4214	{
		4215	# configure IO::AIO
		4216
		4217	IO::AIO::min_parallel 8;
2542	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
		4219	undef $AnyEvent::AIO::WATCHER;
		4220	}
2543		4221
2544	undef $Coro::AIO::WATCHER;	4222	our $_log_backtrace;
2545	$AIO_POLL_WATCHER = Event->io (	4223	our $_log_backtrace_last;
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553		4224
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	4225	sub _log_backtrace {
2555	reentrant => 0,	4226	my ($msg, @addr) = @_;
2556	data => WF_AUTOCANCEL,	4227
2557	after => 1,	4228	$msg =~ s/\n$//;
2558	interval => 10,	4229
2559	prio => 6, # keep it lowest so it acts like a watchdog	4230	if ($_log_backtrace_last eq $msg) {
2560	cb => Coro::unblock_sub {	4231	LOG llevInfo, "[ABT] $msg\n";
2561	write_runtime	4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2562	or warn "ERROR: unable to write runtime file: $!";	4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2563	},	4266	}
2564	);	4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2565		4272
2566	END { cf::emergency_save }	4273	END { cf::emergency_save }
2567		4274
2568	1	4275	1
2569		4276

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