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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.192 by root, Wed Jan 24 01:43:01 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 3.4 ();	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
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
88	#############################################################################	183	#############################################################################
89		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
90	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
91		197
92	=over 4	198	=over 4
93		199
94	=item $cf::UPTIME	200	=item $cf::UPTIME
95		201
96	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.
97		218
98	=item $cf::RUNTIME	219	=item $cf::RUNTIME
99		220
100	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
101	every server tick.	222	every server tick.
102		223
103	=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
104		227
105	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		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
108	=item $cf::NOW	239	=item $cf::LOAD
109		240
110	The time of the last (current) server tick.	241	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		242
116	=item %cf::CFG	243	=item %cf::CFG
117		244
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	246	from wherever your confdir points to.
120		247
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		249
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
127		282
128	=back	283	=back
129		284
130	=cut	285	=cut
131		286
132	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	294	my $msg = join "", @_;
135	utf8::encode $msg;
136		295
137	$msg .= "\n"	296	$msg .= "\n"
138	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
139		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
140	LOG llevError, $msg;	301	LOG llevWarn, $msg;
141	};	302	};
142	}	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	};
143		317
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		325
151	# 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
152	# within the Safe compartment.	327	# within the Safe compartment.
153	for my $pkg (qw(	328	for my $pkg (qw(
154	cf::global cf::attachable	329	cf::global cf::attachable
155	cf::object cf::object::player	330	cf::object cf::object::player
156	cf::client cf::player	331	cf::client cf::player
157	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
158	cf::map cf::party cf::region	334	cf::party cf::region
159	)) {	335	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	337	}
163		338
164	$Event::DIED = sub {	339	$EV::DIED = sub {
165	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
166	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
167		349
168	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
169		351
170	=over 4	352	=over 4
171		353
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	373	$d
192	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
193	}	375	}
194		376
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
196		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($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
197	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
198		430
199	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
200		432
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
209		434
210	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
211		436
212	=cut	437	=cut
213		438
214	sub to_json($) {	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	440
216	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	}
217	}	504	}
218		505
219	=item cf::lock_wait $string	506	=item cf::lock_wait $string
220		507
221	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
222		509
223	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
224		511
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
228	returned.	515	returned.
229		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
230	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
231	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
232		522
233	=cut	523	=item $locked = cf::lock_active $string
234		524
235	our %LOCK;	525	Return true if the lock is currently active, i.e. somebody has locked it.
		526
		527	=cut
		528
		529	our $LOCKS = new Coro::SemaphoreSet;
236		530
237	sub lock_wait($) {	531	sub lock_wait($) {
238	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	533	}
246		534
247	sub lock_acquire($) {	535	sub lock_acquire($) {
248	my ($key) = @_;	536	$LOCKS->guard ($_[0])
		537	}
249		538
250	# wait, to be sure we are not locked	539	sub lock_active($) {
251	lock_wait $key;	540	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	541	}
260		542
261	sub freeze_mainloop {	543	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
263		545
264	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	547	}
266	$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($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
267	};	616	}
268	$WRITE_RUNTIME_WATCHER->stop;	617	};
269	$TICK_WATCHER->stop;	618
270	$guard	619	sub get_slot($;$$) {
		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	$sig->wait;
271	}	632	}
272		633
273	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
274		635
275	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		641
281	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
282		643
283	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
284		645
285	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
288		650
289	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
292	fast or be very important.	654	fast or be very important.
…		…
294	=cut	656	=cut
295		657
296	sub sync_job(&) {	658	sub sync_job(&) {
297	my ($job) = @_;	659	my ($job) = @_;
298		660
299	if ($Coro::current == $Coro::main) {	661	if (in_main) {
		662	my $time = AE::time;
		663
300	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
302		666
303	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	668
305	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
306		670
307	my $busy = 1;	671	my $busy = 1;
308	my @res;	672	my @res;
309		673
310	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	676	@res = eval { $job->() };
312	warn $@ if $@;	677	error $@ if $@;
313	undef $busy;	678	undef $busy;
314	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
315		680
316	while ($busy) {	681	while ($busy) {
317	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
318	}	686	}
		687	}
		688
		689	my $time = AE::time - $time;
		690
		691	$TICK_START += $time; # do not account sync jobs to server load
319		692
320	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
321	} else {	694	} else {
322	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
323		696
…		…
343	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
344		717
345	$coro	718	$coro
346	}	719	}
347		720
348	sub write_runtime {	721	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		722
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	723	Executes the given code block with the given arguments in a seperate
352	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.
353		727
354	my $value = $cf::RUNTIME + 90 + 10;	728	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		729
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	730	sub post_fork {
359	and return;	731	reset_signals;
		732	}
360		733
361	aio_fsync $fh	734	sub fork_call(&@) {
362	and return;	735	my ($cb, @args) = @_;
363		736
364	close $fh	737	# we seemingly have to make a local copy of the whole thing,
365	or return;	738	# otherwise perl prematurely frees the stuff :/
		739	# TODO: investigate and fix (likely this will be rather laborious)
366		740
367	aio_rename "$runtime~", $runtime	741	my @res = Coro::Util::fork_eval {
368	and return;	742	cf::post_fork;
		743	&$cb
		744	} @args;
369		745
		746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
370	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 });
371	}	924	}
372		925
373	=back	926	=back
374		927
375	=cut	928	=cut
376		929
377	#############################################################################	930	#############################################################################
378		931
379	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
380		933
381	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
382	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")
383	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
384		937
385	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>
386	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
387	crossfire+).	940	Deliantra).
388		941
389	=over 4	942	=over 4
390		943
391	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
392		945
…		…
436	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
437		990
438	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
440		993
441	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		996
444	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
445		998
446	=over 4	999	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1108	$registry = $CB_TYPE[$object_type] ||= [];
556		1109
557	} elsif ($type eq "subtype") {	1110	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1111	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1112	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1113	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1114
562	} elsif ($type eq "package") {	1115	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1116	my $pkg = shift @arg;
564		1117
565	while (my ($name, $id) = each %cb_id) {	1118	while (my ($name, $id) = each %cb_id) {
…		…
570		1123
571	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1126
574	} elsif (ref $type) {	1127	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
576		1129
577	} else {	1130	} else {
578	shift @arg;	1131	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
580	}	1133	}
581	}	1134	}
582	}	1135	}
583		1136
584	sub _object_attach {	1137	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
595	}	1148	}
596		1149
597	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
598	} else {	1151	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1153	}
601		1154
602	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
603	}	1156	}
604		1157
…		…
606	if (ref $_[0]) {	1159	if (ref $_[0]) {
607	_object_attach @_;	1160	_object_attach @_;
608	} else {	1161	} else {
609	_attach shift->_attach_registry, @_;	1162	_attach shift->_attach_registry, @_;
610	}	1163	}
		1164	_recalc_want;
611	};	1165	};
612		1166
613	# all those should be optimised	1167	# all those should be optimised
614	sub cf::attachable::detach {	1168	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1169	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1172	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1173	reattach ($obj);
620	} else {	1174	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1175	Carp::croak "cannot, currently, detach class attachments";
622	}	1176	}
		1177	_recalc_want;
623	};	1178	};
624		1179
625	sub cf::attachable::attached {	1180	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1181	my ($obj, $name) = @_;
627		1182
…		…
642	";	1197	";
643	die if $@;	1198	die if $@;
644	}	1199	}
645		1200
646	our $override;	1201	our $override;
647	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?
648		1203
649	sub override {	1204	sub override {
650	$override = 1;	1205	$override = 1;
651	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
652	}	1207	}
653		1208
654	sub do_invoke {	1209	sub do_invoke {
655	my $event = shift;	1210	my $event = shift;
656	my $callbacks = shift;	1211	my $callbacks = shift;
657		1212
658	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
659		1214
660	local $override;	1215	local $override;
661		1216
662	for (@$callbacks) {	1217	for (@$callbacks) {
663	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
664		1219
665	if ($@) {	1220	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1222	override;
669	}	1223	}
670		1224
671	return 1 if $override;	1225	return 1 if $override;
672	}	1226	}
673		1227
674	0	1228	0
675	}	1229	}
676		1230
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1232
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1234
681	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
682		1236
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1240
687	=back	1241	=back
688		1242
689	=cut	1243	=cut
690		1244
691	#############################################################################	1245	#############################################################################
692	# 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, $ob2
		1288	}
693		1289
694	sub reattach {	1290	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1292	my ($obj) = @_;
697		1293
		1294	# no longer needed after getting rid of delete_package?
698	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
699		1296
700	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
701		1298
702	@$registry = ();	1299	@$registry = ();
703		1300
…		…
708	for (@$attach) {	1305	for (@$attach) {
709	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
711	}	1308	}
712	} else {	1309	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1311	}
715	}	1312	}
716	}	1313	}
717		1314
718	cf::attachable->attach (	1315	cf::attachable->attach (
719	prio => -1000000,	1316	prio => -1000000,
720	on_instantiate => sub {	1317	on_instantiate => sub {
721	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
722		1319
723	$data = from_json $data;	1320	$data = decode_json $data;
724		1321
725	for (@$data) {	1322	for (@$data) {
726	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
727		1324
728	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1341	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
746		1343
747	sync_job {	1344	sync_job {
748	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
751		1350
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
754	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;
755	aio_fsync $fh;	1356	aio_fsync $fh;
		1357	}
756	close $fh;	1358	aio_close $fh;
757		1359
758	if (@$objs) {	1360	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	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;
763	aio_fsync $fh;	1367	aio_fsync $fh;
		1368	}
764	close $fh;	1369	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
766	}	1371	}
767	} else {	1372	} else {
768	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
769	}	1374	}
770		1375
771	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1380	} else {
773	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
774	}	1382	}
775	} else {	1383	} else {
776	aio_unlink $filename;	1384	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
778	}	1386	}
779	}	1387	};
780	}	1388	}
781		1389
782	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
784		1392
…		…
796	or return;	1404	or return;
797		1405
798	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
800	or return;	1408	or return;
		1409
801	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
802	}	1412	}
803		1413
		1414	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
806	return ($data, $av);	1419	($data, $av)
807	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
808		1427
809	#############################################################################	1428	#############################################################################
810	# command handling &c	1429	# command handling &c
811		1430
812	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1445	}
827		1446
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1448
830	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.
831		1454
832	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
833	called.	1456	called.
834		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
835	=cut	1469	=cut
836		1470
837	sub register_extcmd {	1471	sub register_extcmd {
838	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
839		1473
840	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
841	}	1475	}
842		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
843	cf::player->attach (	1485	cf::player->attach (
844	on_command => sub {	1486	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
846		1488
847	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
848	or return;	1490	or return;
849		1491
…		…
854	cf::override;	1496	cf::override;
855	},	1497	},
856	on_extcmd => sub {	1498	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
858		1500
859	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1502
861	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
867	} else {	1515	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1517	}
870		1518
871	cf::override;	1519	cf::override;
872	},	1520	},
873	);	1521	);
874		1522
		1523	# "readahead" all extensions
875	sub load_extension {	1524	sub cache_extensions {
876	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
877		1526
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1530	}
903	die $@;
904	}	1531	};
905		1532
906	push @EXTS, $pkg;	1533	$grp
907	}	1534	}
908		1535
909	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
910	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1543	next unless -r $path;
912	eval {	1544
913	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 $active;
		1607	}
914	1	1608	}
915	} or warn "$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	}
916	}	1621	};
917	}	1622	}
918		1623
919	#############################################################################	1624	#############################################################################
920		1625
		1626	=back
		1627
921	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
922		1629
923	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
924		1631
925	=cut	1632	=cut
926		1633
927	package cf::player;	1634	package cf::player;
928		1635
…		…
930		1637
931	=head3 cf::player	1638	=head3 cf::player
932		1639
933	=over 4	1640	=over 4
934		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
935	=item cf::player::find $login	1656	=item cf::player::find $login
936		1657
937	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
938		1659
939	=cut	1660	=cut
940		1661
941	sub playerdir($) {	1662	sub playerdir($) {
942	cf::localdir	1663	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1664	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1665	}
948		1666
949	sub path($) {	1667	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1668	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1669
952	(playerdir $login) . "/$login.pl"	1670	(playerdir $login) . "/playerdata"
953	}	1671	}
954		1672
955	sub find_active($) {	1673	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1674	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1675	and $cf::PLAYER{$_[0]}->active
…		…
960		1678
961	sub exists($) {	1679	sub exists($) {
962	my ($login) = @_;	1680	my ($login) = @_;
963		1681
964	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
966	}	1684	}
967		1685
968	sub find($) {	1686	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1688	my $login = $_[0];
971		1689
972	my $guard = cf::lock_acquire "user_find:$login";	1690	my $guard = cf::lock_acquire "user_find:$login";
973		1691
974	$cf::PLAYER{$_[0]} || do {	1692	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
978	}	1709	}
979	}	1710	}
980	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($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	);
981		1725
982	sub save($) {	1726	sub save($) {
983	my ($pl) = @_;	1727	my ($pl) = @_;
984		1728
985	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
991		1735
992	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
994		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
995	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
996	Coro::cede;	1745	cf::cede_to_tick;
997	}	1746	}
998		1747
999	sub new($) {	1748	sub new($) {
1000	my ($login) = @_;	1749	my ($login) = @_;
1001		1750
…		…
1007	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1008		1757
1009	$self	1758	$self
1010	}	1759	}
1011		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
1012	=item $pl->quit_character	1771	=item $pl->quit_character
1013		1772
1014	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1016		1775
1017	=cut	1776	=cut
1018		1777
1019	sub quit_character {	1778	sub quit_character {
1020	my ($pl) = @_;	1779	my ($pl) = @_;
1021		1780
		1781	my $name = $pl->ob->name;
		1782
1022	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1023	$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
1024		1785
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1028	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1029		1794
1030	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1798	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1821	}
1037		1822
1038	=item cf::player::list_logins	1823	=item cf::player::list_logins
1039		1824
1040	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
1041	while and may block, so not sync_job-capable, ever.	1826	while and may block, so not sync_job-capable, ever.
1042		1827
1043	=cut	1828	=cut
1044		1829
1045	sub list_logins {	1830	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1831	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1832	or return [];
1048		1833
1049	my @logins;	1834	my @logins;
1050		1835
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1055		1846
1056	utf8::decode $login;	1847	utf8::decode $login;
1057	push @logins, $login;	1848	push @logins, $login;
1058	}	1849	}
1059		1850
1060	\@logins	1851	\@logins
1061	}	1852	}
1062		1853
1063	=item $player->maps	1854	=item $player->maps
1064		1855
		1856	=item cf::player::maps $login
		1857
1065	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1066	player. May block.	1859	player. May block.
1067		1860
1068	=cut	1861	=cut
1069		1862
1070	sub maps($) {	1863	sub maps($) {
1071	my ($pl) = @_;	1864	my ($pl) = @_;
		1865
		1866	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1867
1073	my $files = aio_readdir playerdir $pl	1868	my $files = aio_readdir playerdir $pl
1074	or return;	1869	or return;
1075		1870
1076	my @paths;	1871	my @paths;
…		…
1078	for (@$files) {	1873	for (@$files) {
1079	utf8::decode $_;	1874	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1875	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1876	next unless /^$PATH_SEP/o;
1082		1877
1083	s/\.map$//;	1878	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1879	}
1086		1880
1087	\@paths	1881	\@paths
1088	}	1882	}
1089		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1091		1889
1092	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1093		1891
1094	=cut	1892	=cut
1095		1893
1096	sub ext_reply($$$%) {	1894	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1098		1896
1099	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1898	}
1103		1899
1104	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	}
1105		1942
1106	=back	1943	=back
1107
1108		1944
1109	=head3 cf::map	1945	=head3 cf::map
1110		1946
1111	=over 4	1947	=over 4
1112		1948
…		…
1124	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1126		1962
1127	sub generate_random_map {	1963	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1130	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1969	}
1144		1970
1145	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1146		1972
1147	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
…		…
1152		1978
1153	sub register {	1979	sub register {
1154	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1981	my $pkg = caller;
1156		1982
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1984
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1986	}
1162		1987
1163	# also paths starting with '/'	1988	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1990
1166	sub thawer_merge {	1991	sub thawer_merge {
1167	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1168		1993
1169	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1170	local $self->{path};	1995	local $self->{path};
1171	local $self->{load_path};	1996	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1997
1175	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1176	}	1999	}
1177		2000
1178	sub normalise {	2001	sub normalise {
1179	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1180		2003
1181	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
		2005
		2006	$path =~ s/\.map$//;
1182		2007
1183	# map plan:	2008	# map plan:
1184	#	2009	#
1185	# /! non-realised random map exit (special hack!)	2010	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	2011	# {... are special paths that are not being touched
…		…
1199	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1200	$path = "$base/$path";	2025	$path = "$base/$path";
1201	}	2026	}
1202		2027
1203	for ($path) {	2028	for ($path) {
1204	redo if s{//}{/};
1205	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1206	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1207	}	2031	}
1208		2032
1209	$path	2033	$path
…		…
1223	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1224	return $self;	2048	return $self;
1225	}	2049	}
1226	}	2050	}
1227		2051
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1229	()	2053	()
1230	}	2054	}
1231		2055
		2056	# may re-bless or do other evil things
1232	sub init {	2057	sub init {
1233	my ($self) = @_;	2058	my ($self) = @_;
1234		2059
1235	$self	2060	$self
1236	}	2061	}
…		…
1248		2073
1249	# the original (read-only) location	2074	# the original (read-only) location
1250	sub load_path {	2075	sub load_path {
1251	my ($self) = @_;	2076	my ($self) = @_;
1252		2077
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2078	"$MAPDIR/$self->{path}.map"
1254	}	2079	}
1255		2080
1256	# the temporary/swap location	2081	# the temporary/swap location
1257	sub save_path {	2082	sub save_path {
1258	my ($self) = @_;	2083	my ($self) = @_;
1259		2084
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2086	"$TMPDIR/$path.map"
1262	}	2087	}
1263		2088
1264	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1265	sub uniq_path {	2090	sub uniq_path {
1266	my ($self) = @_;	2091	my ($self) = @_;
1267		2092
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2094	"$UNIQUEDIR/$path"
1270	}	2095	}
1271		2096
1272	# and all this just because we cannot iterate over	2097	sub decay_objects {
1273	# all maps in C++...
1274	sub change_all_map_light {
1275	my ($change) = @_;	2098	my ($self) = @_;
1276		2099
1277	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1278	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1279	}	2103	}
1280		2104
1281	sub unlink_save {	2105	sub unlink_save {
1282	my ($self) = @_;	2106	my ($self) = @_;
1283		2107
…		…
1288		2112
1289	sub load_header_from($) {	2113	sub load_header_from($) {
1290	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1291		2115
1292	utf8::encode $path;	2116	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1294	or return;	2118	or return;
1295		2119
1296	$self->_load_header ($path)	2120	$self->_load_header ($f)
1297	or return;	2121	or return;
1298		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1299	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1300		2127
1301	1	2128	1
1302	}	2129	}
1303		2130
		2131	# used to laod the header of an original map
1304	sub load_header_orig {	2132	sub load_header_orig {
1305	my ($self) = @_;	2133	my ($self) = @_;
1306		2134
1307	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1308	}	2136	}
1309		2137
		2138	# used to laod the header of an instantiated map
1310	sub load_header_temp {	2139	sub load_header_temp {
1311	my ($self) = @_;	2140	my ($self) = @_;
1312		2141
1313	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1314	}	2143	}
1315		2144
		2145	# called after loading the header from an instantiated map
1316	sub prepare_temp {	2146	sub prepare_temp {
1317	my ($self) = @_;	2147	my ($self) = @_;
1318		2148
1319	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1320	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1321	# safety	2151	# safety
1322	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1323	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1324	}	2154	}
1325		2155
		2156	# called after loading the header from an original map
1326	sub prepare_orig {	2157	sub prepare_orig {
1327	my ($self) = @_;	2158	my ($self) = @_;
1328		2159
1329	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1330	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1341	$self->load_header_orig	2172	$self->load_header_orig
1342	or return;	2173	or return;
1343	$self->prepare_orig;	2174	$self->prepare_orig;
1344	}	2175	}
1345		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
1346	1	2183	1
1347	}	2184	}
1348		2185
1349	sub find;	2186	sub find;
1350	sub find {	2187	sub find {
1351	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1352		2189
		2190	cf::cede_to_tick;
		2191
1353	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1354		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1355	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1356		2196
1357	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1358	my $guard = cf::lock_acquire "map_find:$path";
1359	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1360	or return;	2199	or return;
1361		2200
1362	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1363		2202
1364	$map->load_header	2203	$map->load_header
1365	or return;	2204	or return;
1366		2205
1367	if ($map->should_reset) {	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1370	$map->reset;	2211	$map->reset;
1371	undef $guard;
1372	return find $path;	2212	return find $path;
1373	}	2213	}
1374		2214
1375	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1376	}	2216	}
1377	}	2217	}
1378		2218
1379	sub pre_load { }	2219	sub pre_load { }
1380	sub post_load { }	2220	#sub post_load { } # XS
1381		2221
1382	sub load {	2222	sub load {
1383	my ($self) = @_;	2223	my ($self) = @_;
1384		2224
		2225	local $self->{deny_reset} = 1; # loading can take a long time
		2226
1385	my $path = $self->{path};	2227	my $path = $self->{path};
		2228
		2229	{
1386	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1387		2231
1388	return if $self->in_memory != cf::MAP_SWAPPED;	2232	return unless $self->valid;
		2233	return unless $self->state == cf::MAP_SWAPPED;
1389		2234
1390	$self->in_memory (cf::MAP_LOADING);
1391
1392	$self->alloc;	2235	$self->alloc;
1393		2236
1394	$self->pre_load;	2237	$self->pre_load;
		2238	cf::cede_to_tick;
1395		2239
1396	$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)
1397	or return;	2244	or return;
1398		2245
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1400	if delete $self->{load_original};	2247	if delete $self->{load_original};
1401		2248
1402	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	2250	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1405	$self->clear_unique_items;	2253	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1407	}	2258	}
1408	}
1409		2259
1410	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
1411		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1412	# now do the right thing for maps	2269	# now do the right thing for maps
1413	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	2272	unless $self->difficulty;
1423	Coro::cede;	2273	cf::cede_to_tick;
1424	$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);
1425	}	2285	}
1426		2286
1427	$self->post_load;	2287	$self->post_load;
1428		2288
1429	$self->in_memory (cf::MAP_IN_MEMORY);	2289	1
1430	}	2290	}
1431		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
1432	sub customise_for {	2295	sub customise_for {
1433	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1434		2297
1435	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	2299	if $self->per_player;
1437		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1438	$self	2304	$self
1439	}
1440
1441	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {
1443	my ($map) = @_;
1444
1445	my @diag; # diagonal neighbours
1446
1447	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)
1449	or next;
1450	$neigh = find $neigh, $map
1451	or next;
1452	$neigh->load;
1453
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}
1457
1458	for (@diag) {
1459	my $neigh = find @$_
1460	or next;
1461	$neigh->load;
1462	}
1463	}	2305	}
1464		2306
1465	sub find_sync {	2307	sub find_sync {
1466	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1467		2309
1468	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
1469	}	2315	}
1470		2316
1471	sub do_load_sync {	2317	sub do_load_sync {
1472	my ($map) = @_;	2318	my ($map) = @_;
1473		2319
1474	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;
1475	}	2325	}
1476		2326
1477	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1479		2329
1480	sub find_async {	2330	sub find_async {
1481	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1482		2332
1483	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1484		2334
1485	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1487	}	2337	}
1488		2338
1489	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1490	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1491	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	2346	if (my $map = find $k) {
1494	or next;
1495	$map->load;	2347	$map->load if $v;
		2348	}
1496		2349
1497	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1498	}	2351	}
1499	}	2352	}
1500	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1501	};	2354	};
1502	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1503		2356
1504	()	2357	()
1505	}	2358	}
1506		2359
		2360	# common code, used by both ->save and ->swapout
1507	sub save {	2361	sub _save {
1508	my ($self) = @_;	2362	my ($self) = @_;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1511		2363
1512	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1513		2365
1514	return unless $self->dirty;	2366	return unless $self->dirty;
1515		2367
…		…
1521	return if $self->{deny_save};	2373	return if $self->{deny_save};
1522		2374
1523	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1524		2376
1525	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1526	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1527	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1528		2383
1529	if ($uniq) {	2384	if ($uniq) {
1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1532	} else {	2387	} else {
1533	$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);
1534	}	2389	}
1535	}	2390	}
1536		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1537	sub swap_out {	2400	sub swap_out {
1538	my ($self) = @_;	2401	my ($self) = @_;
1539		2402
1540	# save first because save cedes
1541	$self->save;
1542
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1545	return if $self->players;	2407	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};
1548		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
1549	$self->clear;	2418	$self->clear;
1550	$self->in_memory (cf::MAP_SWAPPED);
1551	}	2419	}
1552		2420
1553	sub reset_at {	2421	sub reset_at {
1554	my ($self) = @_;	2422	my ($self) = @_;
1555		2423
1556	# TODO: safety, remove and allow resettable per-player maps	2424	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2425	return 1e99 if $self->{deny_reset};
1559		2426
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	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;
1562		2429
…		…
1573	my ($self) = @_;	2440	my ($self) = @_;
1574		2441
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2443
1577	return if $self->players;	2444	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2445
1580	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	}
1581		2457
1582	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1583		2459
1584	$self->in_memory (cf::MAP_SWAPPED);	2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1585	$self->clear;	2462	$self->clear;
1586
1587	$_->clear_links_to ($self) for values %cf::MAP;
1588		2463
1589	$self->unlink_save;	2464	$self->unlink_save;
1590	$self->destroy;	2465	$self->destroy;
1591	}	2466	}
1592		2467
1593	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1594		2469
1595	sub nuke {	2470	sub nuke {
1596	my ($self) = @_;	2471	my ($self) = @_;
1597		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1598	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1599		2477
1600	$self->unlink_save;	2478	$self->unlink_save;
1601		2479
1602	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1603	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2485
1608	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1609		2488
1610	$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	]
1611	}	2526	}
1612		2527
1613	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1614		2529
1615	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2531	instantiated unique items. May block.
1617		2532
1618	=cut	2533	=cut
1619		2534
1620	sub unique_maps() {	2535	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2536	[
1622	or return;	2537	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2538	utf8::decode $_;
1628	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
		2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
		2544	]
		2545	}
1630		2546
		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) {
1631	s/\.map$//;	2568	s/\.map$// or next;
1632	push @paths, $_;	2569	utf8::decode $_;
1633	}	2570	push @maps, "$dir/$_";
		2571	}
1634		2572
1635	\@paths	2573	push @dirs, map "$dir/$_", @$dirs;
1636	}	2574	}
1637		2575
1638	package cf;	2576	\@maps
		2577	}
1639		2578
1640	=back	2579	=back
1641		2580
1642	=head3 cf::object	2581	=head3 cf::object
1643		2582
…		…
1647		2586
1648	=over 4	2587	=over 4
1649		2588
1650	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1651		2590
1652	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.
1653		2593
1654	=cut	2594	=cut
1655		2595
1656	sub inv_recursive_;	2596	sub inv_recursive_;
1657	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1660		2600
1661	sub inv_recursive {	2601	sub inv_recursive {
1662	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1663	}	2603	}
1664		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
1665	package cf;	2633	package cf;
1666		2634
1667	=back	2635	=back
1668		2636
1669	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1675	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>
1676	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
1677	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1678		2646
1679	=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	};
1680		2662
1681	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1682	# with dialog boxes.	2664	# with dialog boxes.
1683	#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
1684	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1686		2668
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2670
1689	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1691	} 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 {
1692	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1694	}	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 (@_);
1695	}	2696	}
1696		2697
1697	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1698		2699
1699	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1712		2713
1713	=item $player_object->enter_link	2714	=item $player_object->enter_link
1714		2715
1715	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}>).
1716		2717
1717	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.
1718	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.
1719		2722
1720	Will never block.	2723	Will never block.
1721		2724
1722	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1723		2726
…		…
1731	=cut	2734	=cut
1732		2735
1733	sub link_map {	2736	sub link_map {
1734	unless ($LINK_MAP) {	2737	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2738	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2739	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2740	$LINK_MAP->load;
1738	}	2741	}
1739		2742
1740	$LINK_MAP	2743	$LINK_MAP
1741	}	2744	}
…		…
1743	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1744	my ($self) = @_;	2747	my ($self) = @_;
1745		2748
1746	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1747		2750
		2751	++$self->{_link_recursion};
		2752
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2754
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2756	if $self->map && $self->map->{path} ne "{link}";
1752		2757
1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1754	}	2759	}
1755		2760
1756	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
		2763
		2764	return unless $self->contr->active;
1758		2765
1759	my $link_pos = delete $self->{_link_pos};	2766	my $link_pos = delete $self->{_link_pos};
1760		2767
1761	unless ($map) {	2768	unless ($map) {
1762	# restore original map position	2769	# restore original map position
…		…
1773	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1774	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1775		2782
1776	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1779		2786
1780	$map->load;	2787	$map->load;
1781	$map->load_diag;
1782		2788
1783	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
1784	$self->activate_recursive;	2796	$self->activate_recursive;
1785	$self->enter_map ($map, $x, $y);
1786	}
1787
1788	cf::player->attach (
1789	on_logout => sub {
1790	my ($pl) = @_;
1791
1792	# abort map switching before logout
1793	if ($pl->ob->{_link_pos}) {
1794	cf::sync_job {
1795	$pl->ob->leave_link
1796	};
1797	}
1798	},	2797	}
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2798
1802	# try to abort aborted map switching on player login :)	2799	}
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819		2800
1820	=item $player_object->goto ($path, $x, $y)	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1821		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
1822	=cut	2812	=cut
		2813
		2814	our $GOTOGEN;
1823		2815
1824	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1825	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;
1826		2827
1827	$self->enter_link;	2828	$self->enter_link;
1828		2829
1829	(async {	2830	(async {
1830	my $map = cf::map::find $path;	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
		2852	my $map = eval {
		2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2854
		2855	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2856	$map = $map->customise_for ($self);
1832		2857	$map = $check->($map, $x, $y, $self) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2858	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	}
1837		2861
		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 $@;
		2868	}
		2869
		2870	if ($gen == $self->{_goto_generation}) {
		2871	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
		2873	}
		2874
		2875	$done->($self) if $done;
1839	})->prio (1);	2876	})->prio (1);
1840	}	2877	}
1841		2878
1842	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1843		2880
…		…
1863	}	2900	}
1864		2901
1865	sub prepare_random_map {	2902	sub prepare_random_map {
1866	my ($exit) = @_;	2903	my ($exit) = @_;
1867		2904
1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1869
1870	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
1871	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
1872	# that depends on the exit object	2907	# that depends on the exit object
1873		2908
1874	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
1875		2910
1876	if ($exit->map) {	2911	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2912	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
1881	}	2918	}
1882		2919
1883	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
1884		2921
1885	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1886	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
1888		2925
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2928	undef $fh;
1892	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
1893		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
1894	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
1895	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
1896	}	2937	}
1897	}	2938	}
1898		2939
1899	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
1900	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
…		…
1902	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
1903		2944
1904	$self->enter_link;	2945	$self->enter_link;
1905		2946
1906	(async {	2947	(async {
1907	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
1908	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
1909	prepare_random_map $exit	2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
1910	if $exit->slaying eq "/!";	2967	$map = $exit->slaying;
1911		2968
1912	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2969	} elsif ($slaying eq '!up') {
1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
1914		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
		2980	$self->goto ($map, $x, $y);
		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
1915	1;	2986	1
1916	}) {	2987	}) {
1917	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
1918	. "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. "
1919	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
1920	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
1921		2992
1922	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
1923	$self->leave_link;	2994	$self->leave_link;
1924	}	2995	}
1925	})->prio (1);	2996	})->prio (1);
1926	}	2997	}
1927		2998
…		…
1938		3009
1939	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
1940	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
1941		3012
1942	utf8::encode $text;	3013	utf8::encode $text;
1943	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1944	}	3015	}
1945		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	}
1946		3234
1947	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
1948		3236
1949	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
1950	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>,
1951	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>.
1952		3240
1953	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
1954	reliable at some point in the future.	3242	become reliable at some point in the future.
1955		3243
1956	=cut	3244	=cut
1957		3245
1958	sub cf::client::query {	3246	sub cf::client::query {
1959	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
1967	utf8::encode $text;	3255	utf8::encode $text;
1968	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1969		3257
1970	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
1971	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
1972	}	3262	}
1973		3263
1974	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	},
1975	on_reply => sub {	3270	on_reply => sub {
1976	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
1977		3272
1978	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
1979	# get handled first	3274	# get handled first
1980	my $queue = delete $ns->{query_queue}	3275	my $queue = delete $ns->{query_queue}
1981	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
1982		3277
1983	(shift @$queue)->[1]->($msg);	3278	(shift @$queue)->[1]->($msg);
		3279	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1984		3280
1985	push @{ $ns->{query_queue} }, @$queue;	3281	push @{ $ns->{query_queue} }, @$queue;
1986		3282
1987	if (@{ $ns->{query_queue} } == @$queue) {	3283	if (@{ $ns->{query_queue} } == @$queue) {
1988	if (@$queue) {	3284	if (@$queue) {
…		…
1990	} else {	3286	} else {
1991	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1992	}	3288	}
1993	}	3289	}
1994	},	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	},
1995	);	3314	);
1996		3315
1997	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
1998		3317
1999	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2015		3334
2016	$coro	3335	$coro
2017	}	3336	}
2018		3337
2019	cf::client->attach (	3338	cf::client->attach (
2020	on_destroy => sub {	3339	on_client_destroy => sub {
2021	my ($ns) = @_;	3340	my ($ns) = @_;
2022		3341
2023	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2024	},	3343	},
2025	);	3344	);
…		…
2040	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2041	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2042		3361
2043	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2044		3363
2045	$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	));
2046		3369
2047	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2048		3371
2049	=pod	3372	=pod
2050		3373
2051	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2052		3375
2053	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
2054	cf::object::player player	3381	cf::object::player
2055	cf::player peaceful	3382	player
2056	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2057		3389
2058	=cut	3390	=cut
2059		3391
2060	for (	3392	for (
2061	["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)],
2062	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2063	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2064	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2065	) {	3399	) {
2066	no strict 'refs';
2067	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2069	for @funs;	3402	for @funs;
2070	}	3403	}
2071		3404
…		…
2086		3419
2087	my $qcode = $code;	3420	my $qcode = $code;
2088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2089	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2090		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2091	local $_;	3427	local $_;
2092	local @safe::cf::_safe_eval_args = values %vars;
2093		3428
2094	my $eval =	3429	my $eval =
2095	"do {\n"	3430	"do {\n"
2096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2097	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2098	. $code	3433	. $code
2099	. "\n}"	3434	. "\n}"
2100	;	3435	;
2101		3436
		3437	if ($CFG{safe_eval}) {
2102	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2104	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	}
2105		3446
2106	if ($@) {	3447	if ($@) {
2107	warn "$@";	3448	warn "$@",
2108	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2109	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2110	}	3451	}
2111		3452
2112	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2113	}	3454	}
2114		3455
…		…
2128	=cut	3469	=cut
2129		3470
2130	sub register_script_function {	3471	sub register_script_function {
2131	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2132		3473
2133	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2135	}	3476	}
2136		3477
2137	=back	3478	=back
2138		3479
2139	=cut	3480	=cut
2140		3481
2141	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2142		3484
2143	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2144		3487
2145	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2146	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2147	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2148		3491
2149	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2150	using it, it should be unique.
2151		3493
2152	=over 4	3494	trace "loading facedata from $path\n";
2153		3495
2154	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2155		3497
2156	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2157	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2158	C<cf::db_sync>.
2159		3500
2160	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2161		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2162	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2163		3504	type => FT_RSRC,
2164	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2165		3506	hash => (Digest::MD5::md5 $exp_table),
2166	Stores the given family hashref into the database. Updates are delayed, if
2167	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2168
2169	=item cf::db_put $family => $key => $value
2170
2171	Stores the given C<$value> in the family hash. Updates are delayed, if you
2172	want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_dirty
2175
2176	Marks the database as dirty, to be updated at a later time.
2177
2178	=item cf::db_sync
2179
2180	Immediately write the database to disk I<if it is dirty>.
2181
2182	=cut
2183
2184	our $DB;
2185
2186	{
2187	my $path = cf::localdir . "/database.pst";
2188
2189	sub db_load() {
2190	$DB = stat $path ? Storable::retrieve $path : { };
2191	}	3507	};
		3508	cf::cede_to_tick;
2192		3509
2193	my $pid;
2194
2195	sub db_save() {
2196	waitpid $pid, 0 if $pid;
2197	if (0 == ($pid = fork)) {
2198	$DB->{_meta}{version} = 1;
2199	Storable::nstore $DB, "$path~";
2200	rename "$path~", $path;
2201	cf::_exit 0 if defined $pid;
2202	}
2203	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2204		3512
2205	my $dirty;	3513	while (my ($face, $info) = each %$faces) {
		3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206		3515
2207	sub db_sync() {	3516	cf::face::set_visibility $idx, $info->{visibility};
2208	db_save if $dirty;	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2209	undef $dirty;	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2210	}	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2211		3521
2212	my $idle = Event->idle (	3522	cf::cede_to_tick;
2213	reentrant => 0,
2214	min => 10,
2215	max => 20,
2216	repeat => 0,
2217	data => WF_AUTOCANCEL,
2218	cb => \&db_sync,
2219	);
2220
2221	sub db_dirty() {
2222	$dirty = 1;
2223	$idle->start;
2224	}
2225
2226	sub db_get($;$) {
2227	@_ >= 2
2228	? $DB->{$_[0]}{$_[1]}
2229	: ($DB->{$_[0]} ||= { })
2230	}
2231
2232	sub db_put($$;$) {
2233	if (@_ >= 3) {
2234	$DB->{$_[0]}{$_[1]} = $_[2];
2235	} else {
2236	$DB->{$_[0]} = $_[1];
2237	}
2238	db_dirty;
2239	}
2240
2241	cf::global->attach (
2242	prio => 10000,
2243	on_cleanup => sub {
2244	db_sync;
2245	},	3523	}
2246	);
2247	}
2248		3524
2249	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2250	# the server's main()	3526	next unless $info->{smooth};
2251		3527
2252	sub cfg_load {	3528	my $idx = cf::face::find $face
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2254	or return;
2255		3530
2256	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2257	*CFG = YAML::Syck::Load <$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	}
2258		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
2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2260		3666
2261	$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};
2262	$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};
2263		3669
2264	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2268	};	3674	};
2269	warn $@ if $@;	3675	warn $@ if $@;
2270	}	3676	}
2271	}	3677	}
2272		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
2273	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
2274	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2275	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2276	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#
2277	(async {	3720	(async {
2278	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2279	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2280	};	3724	};
2281		3725
2282	cfg_load;	3726	evthread_start IO::AIO::poll_fileno;
2283	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
2284	load_extensions;	3749	load_extensions;
2285		3750
2286	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2287	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;
2288	}	3768	}
2289		3769
2290	#############################################################################	3770	#############################################################################
2291	# initialisation and cleanup	3771	# initialisation and cleanup
2292		3772
2293	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2294	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2295	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2296	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2297	reentrant => 0,
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	prio => 0,
2301	cb => sub {
2302	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2303	},
2304	);	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
2305	}	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 };
2306	}	3869	}
2307		3870
2308	sub emergency_save() {	3871	sub emergency_save() {
2309	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2310		3873
2311	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;
2312		3880
2313	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2314	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2315	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2316	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2317	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2318	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2319	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2320	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2321	$pl->save;	3892	$pl->save;
2322	}	3893	}
2323	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2324		3895
2325	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";
2326	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2327	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2328	$map->valid or next;	3901	$map->valid or next;
2329	$map->save;	3902	$map->save;
2330	}	3903	}
2331	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 $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2332	};	3934	};
2333		3935
2334	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2335	}	3937	}
2336		3938
		3939	sub post_cleanup {
		3940	my ($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
2337	sub reload() {	3976	sub do_reload_perl() {
2338	# can/must only be called in main	3977	# can/must only be called in main
2339	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2340	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2341	return;	3980	return;
2342	}	3981	}
2343		3982
2344	warn "reloading...";	3983	return if $RELOAD++;
2345		3984
2346	warn "cancelling server ticker";	3985	my $t1 = AE::time;
2347	$TICK_WATCHER->cancel;
2348		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 {
2349	cf::emergency_save;	3994	#cf::emergency_save;
2350		3995
2351	eval {
2352	# if anything goes wrong in here, we should simply crash as we already saved
2353
2354	warn "syncing database to disk";
2355	cf::db_sync;
2356
2357	warn "cancelling all WF_AUTOCANCEL watchers";
2358	for (Event::all_watchers) {
2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2360	}
2361
2362	warn "flushing outstanding aio requests";
2363	for (;;) {
2364	IO::AIO::flush;
2365	Coro::cede;
2366	last unless IO::AIO::nreqs;
2367	warn "iterate...";
2368	}
2369
2370	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2371	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2372	%EXT_CORO = ();	3998	%EXT_CORO = ();
2373		3999
2374	warn "removing commands";	4000	trace "perl_reload: removing commands";
2375	%COMMAND = ();	4001	%COMMAND = ();
2376		4002
2377	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2378	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2379		4006
2380	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2381	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2382	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2383		4010
2384	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2385	eval {	4012	eval {
2386	$cb->($pkg);	4013	$cb->($pkg);
2387	1	4014	1
2388	} 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;
2389	}	4020	}
2390		4021
2391	warn "... nuking $pkg";
2392	Symbol::delete_package $pkg;
2393	}
2394
2395	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2396	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2398		4025
2399	warn "... unloading $k";	4026	trace "... unloading $k";
2400	delete $INC{$k};	4027	delete $INC{$k};
2401		4028
2402	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2403	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2404		4031
2405	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2406	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2407	}	4037	}
2408		4038
2409	Symbol::delete_package $k;
2410	}
2411
2412	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2413	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2414	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);
2415		4042
2416	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2417	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2418		4046
2419	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2420	# and global variables created in xs	4048	# and global variables created in xs
2421	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2422		4050
2423	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2424		4052
2425	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2426	require cf;	4054	require cf;
2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2428		4056
2429	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2430	cf::cfg_load;	4058	cf::reload_config;
2431	cf::db_load;
2432		4059
2433	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2434	cf::load_extensions;	4061	cf::load_extensions;
2435		4062
		4063	if ($REATTACH_ON_RELOAD) {
2436	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2437	_global_reattach;	4065	_global_reattach; # objects, sockets
2438	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2439	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
		4068	trace "perl_reload: reattaching attachments to players";
		4069	reattach $_ for values %PLAYER;
		4070	}
2440		4071
2441	warn "restarting server ticker";	4072	cf::_post_init 1;
2442		4073
2443	$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	};
2444	};	4102	};
2445		4103	}
2446	if ($@) {
2447	warn $@;
2448	warn "error while reloading, exiting.";
2449	exit 1;
2450	}
2451
2452	warn "reloaded";
2453	};
2454
2455	our $RELOAD_WATCHER; # used only during reload
2456		4104
2457	register_command "reload" => sub {	4105	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2459		4107
2460	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2462		4110	async {
2463	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2464	# coro crashes during coro_state_free->destroy here.
2465
2466	$RELOAD_WATCHER ||= Event->timer (
2467	reentrant => 0,
2468	after => 0,
2469	data => WF_AUTOCANCEL,
2470	cb => sub {
2471	reload;	4112	reload_perl;
2472	undef $RELOAD_WATCHER;
2473	},
2474	);	4113	};
2475	}	4114	}
2476	};	4115	};
2477		4116
2478	unshift @INC, $LIBDIR;	4117	#############################################################################
2479		4118
2480	my $bug_warning = 0;	4119	my $bug_warning = 0;
2481		4120
2482	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2483	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2484	parked => 1,	4123
2485	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2486	at => $NEXT_TICK || $TICK,	4125	}
2487	data => WF_AUTOCANCEL,	4126
2488	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 {
2489	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2490	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"
2491	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2492	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: $!";
2493	}	4152	};
		4153	}
2494		4154
2495	$NOW = Event::time;	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2496		4156	$sig->send;
2497	cf::server_tick; # one server iteration	4157	}
2498	$RUNTIME += $TICK;
2499	$NEXT_TICK += $TICK;
2500
2501	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2503		4159
2504	Event::sweep;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2505	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#
2506		4168	}
2507	# my $AFTER = Event::time;
2508	# warn $AFTER - $NOW;#d#
2509
2510	# if we are delayed by four ticks or more, skip them all
2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2512
2513	$TICK_WATCHER->at ($NEXT_TICK);
2514	$TICK_WATCHER->start;
2515	},	4169	}
2516	);	4170	}
2517		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;
2518	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
		4219	undef $AnyEvent::AIO::WATCHER;
		4220	}
2519		4221
2520	undef $Coro::AIO::WATCHER;	4222	our $_log_backtrace;
2521	$AIO_POLL_WATCHER = Event->io (	4223	our $_log_backtrace_last;
2522	reentrant => 0,
2523	fd => IO::AIO::poll_fileno,
2524	poll => 'r',
2525	prio => 6,
2526	data => WF_AUTOCANCEL,
2527	cb => \&IO::AIO::poll_cb,
2528	);
2529		4224
2530	$WRITE_RUNTIME_WATCHER = Event->timer (	4225	sub _log_backtrace {
2531	reentrant => 0,	4226	my ($msg, @addr) = @_;
2532	data => WF_AUTOCANCEL,	4227
2533	after => 1,	4228	$msg =~ s/\n$//;
2534	interval => 10,	4229
2535	prio => 6, # keep it lowest so it acts like a watchdog	4230	if ($_log_backtrace_last eq $msg) {
2536	cb => Coro::unblock_sub {	4231	LOG llevInfo, "[ABT] $msg\n";
2537	write_runtime	4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2538	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] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2539	},	4266	}
2540	);	4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2541		4272
2542	END { cf::emergency_save }	4273	END { cf::emergency_save }
2543		4274
2544	1	4275	1
2545		4276

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