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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 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;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
14	use Coro 3.52 ();	41	use Coro ();
15	use Coro::State;	42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
16	use Coro::Event;	45	use Coro::AnyEvent;
17	use Coro::Timer;	46	use Coro::Timer;
18	use Coro::Signal;	47	use Coro::Signal;
19	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
20	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
21		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
22	use BDB ();	58	use BDB ();
23	use Data::Dumper;	59	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	60	use Fcntl;
26	use YAML::Syck ();	61	use YAML::XS ();
27	use IO::AIO 2.32 ();	62	use IO::AIO ();
28	use Time::HiRes;
29	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
30		67
31	# configure various modules to our taste	68	# configure various modules to our taste
32	#	69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		78
36	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
37		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		81
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
44		85
45	our %COMMAND = ();	86	our %COMMAND = ();
46	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
47		88
48	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
52		96
53	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	98	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
56		101
57	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	103
59	our $AIO_POLL_WATCHER;	104	our $DATADIR = datadir;
		105	our $LIBDIR = "$DATADIR/ext";
		106	our $PODDIR = "$DATADIR/pod";
		107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
		109	our $LOCALDIR = localdir;
		110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		113	our $RANDOMDIR = "$LOCALDIR/random";
		114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
		125
		126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
62	our $NOW;	144	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		145
65	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
66	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
67
68	our %CFG;
69
70	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;
72
73	our %PLAYER; # all users
74	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		149
82	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
85	binmode STDOUT;	166	binmode STDOUT;
86	binmode STDERR;	167	binmode STDERR;
87		168
88	# read virtual server time, if available	169	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
93	}	174	}
94		175
95	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	177
97	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		180
102	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
103		182
104	sub cf::map::normalise;	183	sub cf::map::normalise;
105		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
106	#############################################################################	189	#############################################################################
107		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
108	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
109		203
110	=over 4	204	=over 4
111		205
112	=item $cf::UPTIME	206	=item $cf::UPTIME
113		207
114	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
115		224
116	=item $cf::RUNTIME	225	=item $cf::RUNTIME
117		226
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	228	every server tick.
120		229
121	=item $cf::LIBDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		233
123	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		236	unique-items directory, player file directory, random maps directory and
		237	database environment.
125		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
126	=item $cf::NOW	245	=item $cf::LOAD
127		246
128	The time of the last (current) server tick.	247	The raw value load value from the last tick.
129
130	=item $cf::TICK
131
132	The interval between server ticks, in seconds.
133		248
134	=item %cf::CFG	249	=item %cf::CFG
135		250
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	252	from wherever your confdir points to.
138		253
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		255
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
145		288
146	=back	289	=back
147		290
148	=cut	291	=cut
149		292
150	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	300	my $msg = join "", @_;
153	utf8::encode $msg;
154		301
155	$msg .= "\n"	302	$msg .= "\n"
156	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
157		304
		305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		306
158	LOG llevError, $msg;	307	LOG llevWarn, $msg;
159	};	308	};
160	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
161		323
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	328	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		329	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	330	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		331
169	# we bless all objects into (empty) derived classes to force a method lookup	332	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	333	# within the Safe compartment.
171	for my $pkg (qw(	334	for my $pkg (qw(
172	cf::global cf::attachable	335	cf::global cf::attachable
173	cf::object cf::object::player	336	cf::object cf::object::player
174	cf::client cf::player	337	cf::client cf::player
175	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
176	cf::map cf::party cf::region	340	cf::party cf::region
177	)) {	341	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	343	}
181		344
182	$Event::DIED = sub {	345	$EV::DIED = sub {
183	warn "error in event callback: @_";	346	warn "error in event callback: $@";
184	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
185		355
186	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
187		357
188	=over 4	358	=over 4
189		359
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	379	$d
210	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
211	}	381	}
212		382
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
214		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
215	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
216		436
217	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
218		438
219	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
220		440
221	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
222		442
		443	=cut
		444
		445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		446
		447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
223	=item cf::lock_wait $string	512	=item cf::lock_wait $string
224		513
225	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
226		515
227	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
228		517
229	Wait until the given lock is available and then acquires it and returns	518	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	519	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
232	returned.	521	returned.
233		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
234	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
236		528
237	=cut	529	=item $locked = cf::lock_active $string
238		530
239	our %LOCK;	531	Return true if the lock is currently active, i.e. somebody has locked it.
		532
		533	=cut
		534
		535	our $LOCKS = new Coro::SemaphoreSet;
240		536
241	sub lock_wait($) {	537	sub lock_wait($) {
242	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	539	}
250		540
251	sub lock_acquire($) {	541	sub lock_acquire($) {
252	my ($key) = @_;	542	$LOCKS->guard ($_[0])
		543	}
253		544
254	# wait, to be sure we are not locked	545	sub lock_active($) {
255	lock_wait $key;	546	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	547	}
264		548
265	sub freeze_mainloop {	549	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
267		551
268	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	553	}
		554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
270	};	622	}
271	$TICK_WATCHER->stop;	623	};
272	$guard	624
		625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
273	}	638	}
274		639
275	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
276		641
277	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		647
283	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
284		649
285	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
286		651
287	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
290		656
291	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
294	fast or be very important.	660	fast or be very important.
…		…
296	=cut	662	=cut
297		663
298	sub sync_job(&) {	664	sub sync_job(&) {
299	my ($job) = @_;	665	my ($job) = @_;
300		666
301	if ($Coro::current == $Coro::main) {	667	if (in_main) {
		668	my $time = AE::time;
		669
302	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
304		672
305	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	674
307	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
308		676
309	my $busy = 1;	677	my $busy = 1;
310	my @res;	678	my @res;
311		679
312	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	682	@res = eval { $job->() };
314	warn $@ if $@;	683	error $@ if $@;
315	undef $busy;	684	undef $busy;
316	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
317		686
318	while ($busy) {	687	while ($busy) {
319	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
320	}	692	}
		693	}
		694
		695	my $time = AE::time - $time;
		696
		697	$TICK_START += $time; # do not account sync jobs to server load
321		698
322	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
323	} else {	700	} else {
324	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
325		702
…		…
345	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
346		723
347	$coro	724	$coro
348	}	725	}
349		726
350	sub write_runtime {	727	=item fork_call { }, @args
351	my $guard = cf::lock_acquire "write_runtime";
352		728
353	my $runtime = cf::localdir . "/runtime";	729	Executes the given code block with the given arguments in a seperate
		730	process, returning the results. Everything must be serialisable with
		731	Coro::Storable. May, of course, block. Note that the executed sub may
		732	never block itself or use any form of event handling.
354		733
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	734	=cut
356	or return;
357		735
358	my $value = $cf::RUNTIME + 90 + 10;	736	sub post_fork {
359	# 10 is the runtime save interval, for a monotonic clock	737	reset_signals;
360	# 60 allows for the watchdog to kill the server.	738	}
361		739
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	740	sub fork_call(&@) {
363	and return;	741	my ($cb, @args) = @_;
364		742
365	# always fsync - this file is important	743	# we seemingly have to make a local copy of the whole thing,
366	aio_fsync $fh	744	# otherwise perl prematurely frees the stuff :/
367	and return;	745	# TODO: investigate and fix (likely this will be rather laborious)
368		746
369	close $fh	747	my @res = Coro::Util::fork_eval {
370	or return;	748	cf::post_fork;
		749	&$cb
		750	} @args;
371		751
372	aio_rename "$runtime~", $runtime	752	wantarray ? @res : $res[-1]
373	and return;	753	}
374		754
		755	sub objinfo {
375	1	756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
		791	}
		792
		793	=item $value = cf::db_get $family => $key
		794
		795	Returns a single value from the environment database.
		796
		797	=item cf::db_put $family => $key => $value
		798
		799	Stores the given C<$value> in the family. It can currently store binary
		800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
		807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
		823	};
		824	cf::cleanup "db_open(db): $@" if $@;
		825
		826	$db
		827	}
		828
		829	our $DB;
		830
		831	sub db_init {
		832	$DB ||= db_table "db";
		833	}
		834
		835	sub db_get($$) {
		836	my $key = "$_[0]/$_[1]";
		837
		838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
		841	BDB::db_get $DB, undef, $key, my $data;
		842
		843	$! ? ()
		844	: $data
		845	}
		846
		847	sub db_put($$$) {
		848	BDB::dbreq_pri 4;
		849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		850	}
		851
		852	=item cf::cache $id => [$paths...], $processversion => $process
		853
		854	Generic caching function that returns the value of the resource $id,
		855	caching and regenerating as required.
		856
		857	This function can block.
		858
		859	=cut
		860
		861	sub cache {
		862	my ($id, $src, $processversion, $process) = @_;
		863
		864	my $meta =
		865	join "\x00",
		866	$processversion,
		867	map {
		868	aio_stat $_
		869	and Carp::croak "$_: $!";
		870
		871	($_, (stat _)[7,9])
		872	} @$src;
		873
		874	my $dbmeta = db_get cache => "$id/meta";
		875	if ($dbmeta ne $meta) {
		876	# changed, we may need to process
		877
		878	my @data;
		879	my $md5;
		880
		881	for (0 .. $#$src) {
		882	$data[$_] = load_file $src->[$_];
		883	}
		884
		885	# if processing is expensive, check
		886	# checksum first
		887	if (1) {
		888	$md5 =
		889	join "\x00",
		890	$processversion,
		891	map {
		892	cf::cede_to_tick;
		893	($src->[$_], Digest::MD5::md5_hex $data[$_])
		894	} 0.. $#$src;
		895
		896
		897	my $dbmd5 = db_get cache => "$id/md5";
		898	if ($dbmd5 eq $md5) {
		899	db_put cache => "$id/meta", $meta;
		900
		901	return db_get cache => "$id/data";
		902	}
		903	}
		904
		905	my $t1 = EV::time;
		906	my $data = $process->(\@data);
		907	my $t2 = EV::time;
		908
		909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		910
		911	db_put cache => "$id/data", $data;
		912	db_put cache => "$id/md5" , $md5;
		913	db_put cache => "$id/meta", $meta;
		914
		915	return $data;
		916	}
		917
		918	db_get cache => "$id/data"
376	}	919	}
377		920
378	=item cf::datalog type => key => value, ...	921	=item cf::datalog type => key => value, ...
379		922
380	Log a datalog packet of the given type with the given key-value pairs.	923	Log a datalog packet of the given type with the given key-value pairs.
381		924
382	=cut	925	=cut
383		926
384	sub datalog($@) {	927	sub datalog($@) {
385	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	930	}
388		931
389	=back	932	=back
390		933
391	=cut	934	=cut
392		935
393	#############################################################################	936	#############################################################################
394		937
395	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
396		939
397	Many objects in crossfire are so-called attachable objects. That means you can	940	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
400		943
401	In the following description, CLASS can be any of C<global>, C<object>	944	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	946	Deliantra).
404		947
405	=over 4	948	=over 4
406		949
407	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
408		951
…		…
452	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
453		996
454	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
456		999
457	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	1001	that are attached at load/instantiate time, thus the need for a name.
459		1002
460	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
461		1004
462	=over 4	1005	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1114	$registry = $CB_TYPE[$object_type] ||= [];
572		1115
573	} elsif ($type eq "subtype") {	1116	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1117	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1118	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1119	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1120
578	} elsif ($type eq "package") {	1121	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1122	my $pkg = shift @arg;
580		1123
581	while (my ($name, $id) = each %cb_id) {	1124	while (my ($name, $id) = each %cb_id) {
…		…
586		1129
587	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1132
590	} elsif (ref $type) {	1133	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
592		1135
593	} else {	1136	} else {
594	shift @arg;	1137	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
596	}	1139	}
597	}	1140	}
598	}	1141	}
599		1142
600	sub _object_attach {	1143	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
611	}	1154	}
612		1155
613	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
614	} else {	1157	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1159	}
617		1160
618	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
619	}	1162	}
620		1163
…		…
622	if (ref $_[0]) {	1165	if (ref $_[0]) {
623	_object_attach @_;	1166	_object_attach @_;
624	} else {	1167	} else {
625	_attach shift->_attach_registry, @_;	1168	_attach shift->_attach_registry, @_;
626	}	1169	}
		1170	_recalc_want;
627	};	1171	};
628		1172
629	# all those should be optimised	1173	# all those should be optimised
630	sub cf::attachable::detach {	1174	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1175	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1178	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1179	reattach ($obj);
636	} else {	1180	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1181	Carp::croak "cannot, currently, detach class attachments";
638	}	1182	}
		1183	_recalc_want;
639	};	1184	};
640		1185
641	sub cf::attachable::attached {	1186	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
643		1188
…		…
658	";	1203	";
659	die if $@;	1204	die if $@;
660	}	1205	}
661		1206
662	our $override;	1207	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1209
665	sub override {	1210	sub override {
666	$override = 1;	1211	$override = 1;
667	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
668	}	1213	}
669		1214
670	sub do_invoke {	1215	sub do_invoke {
671	my $event = shift;	1216	my $event = shift;
672	my $callbacks = shift;	1217	my $callbacks = shift;
673		1218
674	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
675		1220
676	local $override;	1221	local $override;
677		1222
678	for (@$callbacks) {	1223	for (@$callbacks) {
679	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
680		1225
681	if ($@) {	1226	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1228	override;
685	}	1229	}
686		1230
687	return 1 if $override;	1231	return 1 if $override;
688	}	1232	}
689		1233
690	0	1234	0
691	}	1235	}
692		1236
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1238
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1240
697	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
698		1242
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1244	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1246
703	=back	1247	=back
704		1248
705	=cut	1249	=cut
706		1250
707	#############################################################################	1251	#############################################################################
708	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
709		1295
710	sub reattach {	1296	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1298	my ($obj) = @_;
713		1299
		1300	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1302
716	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
717		1304
718	@$registry = ();	1305	@$registry = ();
719		1306
…		…
724	for (@$attach) {	1311	for (@$attach) {
725	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
727	}	1314	}
728	} else {	1315	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1317	}
731	}	1318	}
732	}	1319	}
733		1320
734	cf::attachable->attach (	1321	cf::attachable->attach (
735	prio => -1000000,	1322	prio => -1000000,
736	on_instantiate => sub {	1323	on_instantiate => sub {
737	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
738		1325
739	$data = from_json $data;	1326	$data = decode_json $data;
740		1327
741	for (@$data) {	1328	for (@$data) {
742	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
743		1330
744	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1347	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
762		1349
763	sync_job {	1350	sync_job {
764	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
767		1356
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
772	close $fh;	1364	aio_close $fh;
773		1365
774	if (@$objs) {	1366	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
780	close $fh;	1375	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
782	}	1377	}
783	} else {	1378	} else {
784	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
785	}	1380	}
786		1381
787	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1386	} else {
789	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
790	}	1388	}
791	} else {	1389	} else {
792	aio_unlink $filename;	1390	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
794	}	1392	}
795	}	1393	};
796	}	1394	}
797		1395
798	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
800		1398
…		…
812	or return;	1410	or return;
813		1411
814	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
816	or return;	1414	or return;
		1415
817	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
818	}	1418	}
819		1419
		1420	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
822	return ($data, $av);	1425	($data, $av)
823	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
824		1433
825	#############################################################################	1434	#############################################################################
826	# command handling &c	1435	# command handling &c
827		1436
828	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
829		1438
830	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
831	$name.	1440	$name.
832		1441
833	=cut	1442	=cut
…		…
839	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
840		1449
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1451	}
843		1452
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
845		1454
846	Register a callbackf ro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
847		1460
848	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
849	called.
850		1462
851	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
852		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
853	sub register_extcmd {	1485	sub register_extcmd($$) {
854	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
855		1487
856	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
857	}	1489	}
858		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
859	cf::player->attach (	1511	cf::player->attach (
860	on_command => sub {	1512	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
862		1514
863	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
864	or return;	1516	or return;
865		1517
…		…
870	cf::override;	1522	cf::override;
871	},	1523	},
872	on_extcmd => sub {	1524	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
874		1526
875	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1528
877	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
880	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
881	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
882	}	1550	}
		1551
883	} else {	1552	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1554	}
886		1555
887	cf::override;	1556	cf::override;
888	},	1557	},
889	);	1558	);
890		1559
		1560	# "readahead" all extensions
891	sub load_extension {	1561	sub cache_extensions {
892	my ($path) = @_;	1562	my $grp = IO::AIO::aio_group;
893		1563
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1565	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1567	}
919	die $@;
920	}	1568	};
921		1569
922	push @EXTS, $pkg;	1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
923	}	1582	}
924		1583
925	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
		1589	cf::sync_job {
		1590	my %todo;
		1591
926	for my $ext (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1593	next unless -r $path;
928	eval {	1594
929	load_extension $ext;	1595	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1596	my $base = $1;
		1597	my $pkg = $1;
		1598	$pkg =~ s/[^[:word:]]/_/g;
		1599	$pkg = "ext::$pkg";
		1600
		1601	open my $fh, "<:utf8", $path
		1602	or die "$path: $!";
		1603
		1604	my $source = do { local $/; <$fh> };
		1605
		1606	my %ext = (
		1607	path => $path,
		1608	base => $base,
		1609	pkg => $pkg,
		1610	);
		1611
		1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1614
		1615	$ext{source} =
		1616	"package $pkg; use common::sense;\n"
		1617	. "#line 1 \"$path\"\n{\n"
		1618	. $source
		1619	. "\n};\n1";
		1620
		1621	$todo{$base} = \%ext;
		1622	}
		1623
		1624	my $pass = 0;
		1625	my %done;
		1626	while (%todo) {
		1627	my $progress;
		1628
		1629	++$pass;
		1630
		1631	ext:
		1632	while (my ($k, $v) = each %todo) {
		1633	for (split /,\s*/, $v->{meta}{depends}) {
		1634	next ext
		1635	unless exists $done{$_};
		1636	}
		1637
		1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1639
		1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
		1652	error "$v->{path}: $@\n";
		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1655	if exists $v->{meta}{mandatory};
		1656
		1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1658	delete $todo{$k};
		1659	} else {
		1660	$done{$k} = delete $todo{$k};
		1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
		1666	}
930	1	1667	}
931	} or warn "$ext not loaded: $@";	1668
		1669	unless ($progress) {
		1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
		1679	}
932	}	1680	};
933	}	1681	}
934		1682
935	#############################################################################	1683	#############################################################################
936		1684
		1685	=back
		1686
937	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
938		1688
939	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
940		1690
941	=cut	1691	=cut
942		1692
943	package cf::player;	1693	package cf::player;
944		1694
…		…
946		1696
947	=head3 cf::player	1697	=head3 cf::player
948		1698
949	=over 4	1699	=over 4
950		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
		1714
951	=item cf::player::find $login	1715	=item cf::player::find $login
952		1716
953	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
954		1718
955	=cut	1719	=cut
956		1720
957	sub playerdir($) {	1721	sub playerdir($) {
958	cf::localdir	1722	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1723	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1724	}
964		1725
965	sub path($) {	1726	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1727	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1728
968	(playerdir $login) . "/$login.pl"	1729	(playerdir $login) . "/playerdata"
969	}	1730	}
970		1731
971	sub find_active($) {	1732	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1733	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1734	and $cf::PLAYER{$_[0]}->active
…		…
976		1737
977	sub exists($) {	1738	sub exists($) {
978	my ($login) = @_;	1739	my ($login) = @_;
979		1740
980	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
982	}	1743	}
983		1744
984	sub find($) {	1745	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1747	my $login = $_[0];
987		1748
988	my $guard = cf::lock_acquire "user_find:$login";	1749	my $guard = cf::lock_acquire "user_find:$login";
989		1750
990	$cf::PLAYER{$_[0]} || do {	1751	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1752	# rename old playerfiles to new ones
		1753	#TODO: remove when no longer required
		1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1757	aio_unlink +(playerdir $login) . "/$login.pl";
		1758
		1759	my $f = new_from_file cf::object::thawer path $login
992	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
994	}	1768	}
995	}	1769	}
996	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
997		1784
998	sub save($) {	1785	sub save($) {
999	my ($pl) = @_;	1786	my ($pl) = @_;
1000		1787
1001	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1007		1794
1008	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1010		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1011	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1012	Coro::cede;	1804	cf::cede_to_tick;
1013	}	1805	}
1014		1806
1015	sub new($) {	1807	sub new($) {
1016	my ($login) = @_;	1808	my ($login) = @_;
1017		1809
…		…
1023	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1024		1816
1025	$self	1817	$self
1026	}	1818	}
1027		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1028	=item $pl->quit_character	1830	=item $pl->quit_character
1029		1831
1030	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1032		1834
…		…
1036	my ($pl) = @_;	1838	my ($pl) = @_;
1037		1839
1038	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1039		1841
1040	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1844
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1046	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1047		1853
1048	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1885	while and may block, so not sync_job-capable, ever.
1080		1886
1081	=cut	1887	=cut
1082		1888
1083	sub list_logins {	1889	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1890	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1891	or return [];
1086		1892
1087	my @logins;	1893	my @logins;
1088		1894
1089	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1093		1905
1094	utf8::decode $login;	1906	utf8::decode $login;
1095	push @logins, $login;	1907	push @logins, $login;
1096	}	1908	}
1097		1909
1098	\@logins	1910	\@logins
1099	}	1911	}
1100		1912
1101	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1102		1916
1103	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1104	player. May block.	1918	player. May block.
1105		1919
1106	=cut	1920	=cut
…		…
1124	}	1938	}
1125		1939
1126	\@paths	1940	\@paths
1127	}	1941	}
1128		1942
		1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1944
		1945	Expand deliantra pod fragments into protocol xml.
		1946
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1947	=item $player->ext_msg ($type, @msg)
1130		1948
1131	Sends an ext reply to the player.	1949	Sends an ext event to the client.
1132		1950
1133	=cut	1951	=cut
1134		1952
1135	sub ext_reply($$$%) {	1953	sub ext_msg($$@) {
1136	my ($self, $id, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1137		1955
1138	$msg{msgid} = $id;	1956	$self->ns->ext_msg ($type, @msg);
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1957	}
1142		1958
1143	package cf;	1959	=head3 cf::region
		1960
		1961	=over 4
		1962
		1963	=cut
		1964
		1965	package cf::region;
		1966
		1967	=item cf::region::find_by_path $path
		1968
		1969	Tries to decuce the likely region for a map knowing only its path.
		1970
		1971	=cut
		1972
		1973	sub find_by_path($) {
		1974	my ($path) = @_;
		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
		1978	my ($match, $specificity);
		1979
		1980	for my $region (list) {
		1981	if ($region->{match} && $path =~ $region->{match}) {
		1982	($match, $specificity) = ($region, $region->specificity)
		1983	if $region->specificity > $specificity;
		1984	}
		1985	}
		1986
		1987	$match
		1988	}
1144		1989
1145	=back	1990	=back
1146
1147		1991
1148	=head3 cf::map	1992	=head3 cf::map
1149		1993
1150	=over 4	1994	=over 4
1151		1995
…		…
1163	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1165		2009
1166	sub generate_random_map {	2010	sub generate_random_map {
1167	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1168	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1169	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1181	)
1182	}	2016	}
1183		2017
1184	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1185		2019
1186	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1191		2025
1192	sub register {	2026	sub register {
1193	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	2028	my $pkg = caller;
1195		2029
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		2031
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	2033	}
1201		2034
1202	# also paths starting with '/'	2035	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		2037
1205	sub thawer_merge {	2038	sub thawer_merge {
1206	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1207		2040
1208	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
1209	local $self->{path};	2042	local $self->{path};
1210	local $self->{load_path};	2043	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		2044
1214	$self->SUPER::thawer_merge ($merge);	2045	$self->SUPER::thawer_merge ($merge);
1215	}	2046	}
1216		2047
1217	sub normalise {	2048	sub normalise {
1218	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1219		2050
1220	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1221		2052
1222	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1223		2054
1224	# map plan:	2055	# map plan:
1225	#	2056	#
…		…
1240	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	2072	$path = "$base/$path";
1242	}	2073	}
1243		2074
1244	for ($path) {	2075	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1248	}	2078	}
1249		2079
1250	$path	2080	$path
…		…
1264	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1265	return $self;	2095	return $self;
1266	}	2096	}
1267	}	2097	}
1268		2098
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	2100	()
1271	}	2101	}
1272		2102
		2103	# may re-bless or do other evil things
1273	sub init {	2104	sub init {
1274	my ($self) = @_;	2105	my ($self) = @_;
1275		2106
1276	$self	2107	$self
1277	}	2108	}
…		…
1289		2120
1290	# the original (read-only) location	2121	# the original (read-only) location
1291	sub load_path {	2122	sub load_path {
1292	my ($self) = @_;	2123	my ($self) = @_;
1293		2124
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2125	"$MAPDIR/$self->{path}.map"
1295	}	2126	}
1296		2127
1297	# the temporary/swap location	2128	# the temporary/swap location
1298	sub save_path {	2129	sub save_path {
1299	my ($self) = @_;	2130	my ($self) = @_;
1300		2131
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2133	"$TMPDIR/$path.map"
1303	}	2134	}
1304		2135
1305	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1306	sub uniq_path {	2137	sub uniq_path {
1307	my ($self) = @_;	2138	my ($self) = @_;
1308		2139
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2141	"$UNIQUEDIR/$path"
1311	}	2142	}
1312		2143
1313	# and all this just because we cannot iterate over	2144	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	2145	my ($self) = @_;
1317		2146
1318	$_->change_map_light ($change)	2147	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	2148
		2149	$self->do_decay_objects;
1320	}	2150	}
1321		2151
1322	sub unlink_save {	2152	sub unlink_save {
1323	my ($self) = @_;	2153	my ($self) = @_;
1324		2154
…		…
1329		2159
1330	sub load_header_from($) {	2160	sub load_header_from($) {
1331	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1332		2162
1333	utf8::encode $path;	2163	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	2165	or return;
1339		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1340	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1341		2174
1342	1	2175	1
1343	}	2176	}
1344		2177
		2178	# used to laod the header of an original map
1345	sub load_header_orig {	2179	sub load_header_orig {
1346	my ($self) = @_;	2180	my ($self) = @_;
1347		2181
1348	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1349	}	2183	}
1350		2184
		2185	# used to laod the header of an instantiated map
1351	sub load_header_temp {	2186	sub load_header_temp {
1352	my ($self) = @_;	2187	my ($self) = @_;
1353		2188
1354	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1355	}	2190	}
1356		2191
		2192	# called after loading the header from an instantiated map
1357	sub prepare_temp {	2193	sub prepare_temp {
1358	my ($self) = @_;	2194	my ($self) = @_;
1359		2195
1360	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1361	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1362	# safety	2198	# safety
1363	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1364	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1365	}	2201	}
1366		2202
		2203	# called after loading the header from an original map
1367	sub prepare_orig {	2204	sub prepare_orig {
1368	my ($self) = @_;	2205	my ($self) = @_;
1369		2206
1370	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1371	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1382	$self->load_header_orig	2219	$self->load_header_orig
1383	or return;	2220	or return;
1384	$self->prepare_orig;	2221	$self->prepare_orig;
1385	}	2222	}
1386		2223
		2224	$self->{deny_reset} = 1
		2225	if $self->no_reset;
		2226
		2227	$self->default_region (cf::region::find_by_path $self->{path})
		2228	unless $self->default_region;
		2229
1387	1	2230	1
1388	}	2231	}
1389		2232
1390	sub find;	2233	sub find;
1391	sub find {	2234	sub find {
1392	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1393		2236
		2237	cf::cede_to_tick;
		2238
1394	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1395		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2243
1398	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1401	or return;	2246	or return;
1402		2247
1403	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1404		2249
1405	$map->load_header	2250	$map->load_header
1406	or return;	2251	or return;
1407		2252
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1411	$map->reset;	2258	$map->reset;
1412	undef $guard;
1413	return find $path;	2259	return find $path;
1414	}	2260	}
1415		2261
1416	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1417	}	2263	}
1418	}	2264	}
1419		2265
1420	sub pre_load { }	2266	sub pre_load { }
1421	sub post_load { }	2267	#sub post_load { } # XS
1422		2268
1423	sub load {	2269	sub load {
1424	my ($self) = @_;	2270	my ($self) = @_;
1425		2271
1426	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1427		2273
1428	my $path = $self->{path};	2274	my $path = $self->{path};
		2275
		2276	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1430		2278
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2279	return unless $self->valid;
		2280	return unless $self->state == cf::MAP_SWAPPED;
1432		2281
1433	$self->in_memory (cf::MAP_LOADING);
1434
1435	$self->alloc;	2282	$self->alloc;
1436		2283
1437	$self->pre_load;	2284	$self->pre_load;
		2285	cf::cede_to_tick;
1438		2286
1439	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1440	or return;	2291	or return;
1441		2292
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1443	if delete $self->{load_original};	2294	if delete $self->{load_original};
1444		2295
1445	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2297	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2300	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1450	}	2305	}
1451	}
1452		2306
1453	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
1454		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1455	# now do the right thing for maps	2316	# now do the right thing for maps
1456	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2319	unless $self->difficulty;
1466	Coro::cede;	2320	cf::cede_to_tick;
1467	$self->activate;	2321
		2322	unless ($self->{deny_activate}) {
		2323	$self->decay_objects;
		2324	$self->fix_auto_apply;
		2325	$self->update_buttons;
		2326	cf::cede_to_tick;
		2327	#$self->activate; # no longer activate maps automatically
		2328	}
		2329
		2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1468	}	2332	}
1469		2333
1470	$self->post_load;	2334	$self->post_load;
1471		2335
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2336	1
1473	}	2337	}
1474		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2342	sub customise_for {
1476	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1477		2344
1478	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2346	if $self->per_player;
1480		2347
		2348	# return find "?party/" . $ob->name . "/" . $self->{path}
		2349	# if $self->per_party;
		2350
1481	$self	2351	$self
1482	}
1483
1484	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {
1486	my ($map) = @_;
1487
1488	my @diag; # diagonal neighbours
1489
1490	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)
1492	or next;
1493	$neigh = find $neigh, $map
1494	or next;
1495	$neigh->load;
1496
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}
1500
1501	for (@diag) {
1502	my $neigh = find @$_
1503	or next;
1504	$neigh->load;
1505	}
1506	}	2352	}
1507		2353
1508	sub find_sync {	2354	sub find_sync {
1509	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1510		2356
1511	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1512	}	2362	}
1513		2363
1514	sub do_load_sync {	2364	sub do_load_sync {
1515	my ($map) = @_;	2365	my ($map) = @_;
1516		2366
1517	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1518	}	2372	}
1519		2373
1520	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1522		2376
1523	sub find_async {	2377	sub find_async {
1524	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1525		2379
1526	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1527		2381
1528	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1530	}	2384	}
1531		2385
1532	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1533	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1534	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2393	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2394	$map->load if $v;
		2395	}
1539		2396
1540	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1541	}	2398	}
1542	}	2399	}
1543	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1544	};	2401	};
1545	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1546		2403
1547	()	2404	()
1548	}	2405	}
1549		2406
		2407	# common code, used by both ->save and ->swapout
1550	sub save {	2408	sub _save {
1551	my ($self) = @_;	2409	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2410
1555	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1556		2412
1557	return unless $self->dirty;	2413	return unless $self->dirty;
1558		2414
…		…
1564	return if $self->{deny_save};	2420	return if $self->{deny_save};
1565		2421
1566	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1567		2423
1568	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1570	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1571		2430
1572	if ($uniq) {	2431	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2434	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2436	}
1578	}	2437	}
1579		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1580	sub swap_out {	2447	sub swap_out {
1581	my ($self) = @_;	2448	my ($self) = @_;
1582		2449
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1588	return if $self->players;	2454	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1592	$self->clear;	2465	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2466	}
1595		2467
1596	sub reset_at {	2468	sub reset_at {
1597	my ($self) = @_;	2469	my ($self) = @_;
1598		2470
1599	# TODO: safety, remove and allow resettable per-player maps	2471	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2472	return 1e99 if $self->{deny_reset};
1602		2473
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2476
…		…
1616	my ($self) = @_;	2487	my ($self) = @_;
1617		2488
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2490
1620	return if $self->players;	2491	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2492
1623	warn "resetting map ", $self->path;#d#	2493	cf::trace "resetting map ", $self->path, "\n";
1624		2494
1625	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1626		2496
1627	# need to save uniques path	2497	# need to save uniques path
1628	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1629	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1630		2500
…		…
1632	if $uniq;	2502	if $uniq;
1633	}	2503	}
1634		2504
1635	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1636		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2509	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2510
1641	$self->unlink_save;	2511	$self->unlink_save;
1642	$self->destroy;	2512	$self->destroy;
1643	}	2513	}
1644		2514
1645	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1646		2516
1647	sub nuke {	2517	sub nuke {
1648	my ($self) = @_;	2518	my ($self) = @_;
1649		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1650	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1651		2524
1652	$self->unlink_save;	2525	$self->unlink_save;
1653		2526
1654	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2532
1660	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1661		2535
1662	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
		2537	}
		2538
		2539	=item $maps = cf::map::tmp_maps
		2540
		2541	Returns an arrayref with all map paths of currently instantiated and saved
		2542	maps. May block.
		2543
		2544	=cut
		2545
		2546	sub tmp_maps() {
		2547	[
		2548	map {
		2549	utf8::decode $_;
		2550	/\.map$/
		2551	? normalise $_
		2552	: ()
		2553	} @{ aio_readdir $TMPDIR or [] }
		2554	]
		2555	}
		2556
		2557	=item $maps = cf::map::random_maps
		2558
		2559	Returns an arrayref with all map paths of currently instantiated and saved
		2560	random maps. May block.
		2561
		2562	=cut
		2563
		2564	sub random_maps() {
		2565	[
		2566	map {
		2567	utf8::decode $_;
		2568	/\.map$/
		2569	? normalise "?random/$_"
		2570	: ()
		2571	} @{ aio_readdir $RANDOMDIR or [] }
		2572	]
1663	}	2573	}
1664		2574
1665	=item cf::map::unique_maps	2575	=item cf::map::unique_maps
1666		2576
1667	Returns an arrayref of paths of all shared maps that have	2577	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2578	instantiated unique items. May block.
1669		2579
1670	=cut	2580	=cut
1671		2581
1672	sub unique_maps() {	2582	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2583	[
1674	or return;	2584	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2585	utf8::decode $_;
1680	next if /\.pst$/;	2586	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2588	? ()
1683	push @paths, cf::map::normalise $_;	2589	: normalise $_
		2590	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2591	]
1685
1686	\@paths
1687	}	2592	}
1688		2593
1689	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
1690		2625
1691	=back	2626	=back
1692		2627
1693	=head3 cf::object	2628	=head3 cf::object
1694		2629
…		…
1698		2633
1699	=over 4	2634	=over 4
1700		2635
1701	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1702		2637
1703	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
1704		2640
1705	=cut	2641	=cut
1706		2642
1707	sub inv_recursive_;	2643	sub inv_recursive_;
1708	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1711		2647
1712	sub inv_recursive {	2648	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1714	}	2650	}
1715		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
1716	package cf;	2680	package cf;
1717		2681
1718	=back	2682	=back
1719		2683
1720	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2691	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1729		2693
1730	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
1731		2709
1732	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2711	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1737		2715
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2717
1740	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1742	} else {	2721	} else {
		2722	my $pl = $self->contr;
		2723
		2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2725	my $dialog = $pl->{npc_dialog};
		2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2727
		2728	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1745	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
1746	}	2743	}
1747		2744
1748	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1749		2746
1750	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1763		2760
1764	=item $player_object->enter_link	2761	=item $player_object->enter_link
1765		2762
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2764
1768	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
1770		2769
1771	Will never block.	2770	Will never block.
1772		2771
1773	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1774		2773
…		…
1794	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2794	my ($self) = @_;
1796		2795
1797	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1798		2797
		2798	++$self->{_link_recursion};
		2799
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2801
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2803	if $self->map && $self->map->{path} ne "{link}";
1803		2804
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2806	}
1806		2807
1807	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
		2810
		2811	return unless $self->contr->active;
1809		2812
1810	my $link_pos = delete $self->{_link_pos};	2813	my $link_pos = delete $self->{_link_pos};
1811		2814
1812	unless ($map) {	2815	unless ($map) {
1813	# restore original map position	2816	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
1826		2829
1827	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
1830		2833
1831	$map->load;	2834	$map->load;
1832	$map->load_diag;
1833		2835
1834	return unless $self->contr->active;	2836	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2837
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
1839	}	2840	# entering was successful
1840		2841	delete $self->{_link_recursion};
1841	cf::player->attach (	2842	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2843	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2844	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2845
1855	# try to abort aborted map switching on player login :)	2846	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2847
1873	=item $player_object->goto ($path, $x, $y)	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2849
		2850	Moves the player to the given map-path and coordinates by first freezing
		2851	her, loading and preparing them map, calling the provided $check callback
		2852	that has to return the map if sucecssful, and then unfreezes the player on
		2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
		2858
1875	=cut	2859	=cut
		2860
		2861	our $GOTOGEN;
1876		2862
1877	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
		2871
		2872	# do generation counting so two concurrent goto's will be executed in-order
		2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2874
1880	$self->enter_link;	2875	$self->enter_link;
1881		2876
1882	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
1883	my $map = eval {	2899	my $map = eval {
1884	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2901
		2902	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2903	$map = $map->customise_for ($self);
		2904	$map = $check->($map, $x, $y, $self) if $check && $map;
		2905	} else {
		2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2907	}
		2908
1886	$map	2909	$map
		2910	};
		2911
		2912	if ($@) {
		2913	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2914	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2915	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2916
		2917	if ($gen == $self->{_goto_generation}) {
		2918	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
		2920	}
		2921
		2922	$done->($self) if $done;
1891	})->prio (1);	2923	})->prio (1);
1892	}	2924	}
1893		2925
1894	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
1895		2927
…		…
1915	}	2947	}
1916		2948
1917	sub prepare_random_map {	2949	sub prepare_random_map {
1918	my ($exit) = @_;	2950	my ($exit) = @_;
1919		2951
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2954	# that depends on the exit object
1925		2955
1926	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2958	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
1933	}	2965	}
1934		2966
1935	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
1936		2968
1937	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
1940		2972
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2975	undef $fh;
1944	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
1945		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
1948	}	2984	}
1949	}	2985	}
1950		2986
1951	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
1953		2989
1954	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
1955		2991
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2992	$self->enter_link;
1966		2993
1967	(async {	2994	(async {
1968	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
1969	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
1970	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
1971		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
1972	1;	3033	1
1973	}) {	3034	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
1978		3039
1979	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	3041	$self->leave_link;
1981	}	3042	}
1982	})->prio (1);	3043	})->prio (1);
1983	}	3044	}
1984		3045
…		…
1998		3059
1999	utf8::encode $text;	3060	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	3062	}
2002		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
		3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3090
		3091	Send a drawinfo or msg packet to the client, formatting the msg for the
		3092	client if neccessary. C<$type> should be a string identifying the type of
		3093	the message, with C<log> being the default. If C<$color> is negative, suppress
		3094	the message unless the client supports the msg packet.
		3095
		3096	=cut
		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
		3212	sub cf::client::send_msg {
		3213	my ($self, $channel, $msg, $color, @extra) = @_;
		3214
		3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
		3251	=item $client->ext_msg ($type, @msg)
		3252
		3253	Sends an ext event to the client.
		3254
		3255	=cut
		3256
		3257	sub cf::client::ext_msg($$@) {
		3258	my ($self, $type, @msg) = @_;
		3259
		3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3261	}
2003		3262
2004	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2005		3264
2006	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3266	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3268
2010	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3270	become reliable at some point in the future.
2012		3271
2013	=cut	3272	=cut
2014		3273
2015	sub cf::client::query {	3274	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3283	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3285
2027	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2029	}	3290	}
2030		3291
2031	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2032	on_reply => sub {	3298	on_reply => sub {
2033	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2034		3300
2035	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2036	# get handled first	3302	# get handled first
…		…
2048	} else {	3314	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3316	}
2051	}	3317	}
2052	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2053	);	3352	);
2054		3353
2055	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2056		3355
2057	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3372
2074	$coro	3373	$coro
2075	}	3374	}
2076		3375
2077	cf::client->attach (	3376	cf::client->attach (
2078	on_destroy => sub {	3377	on_client_destroy => sub {
2079	my ($ns) = @_;	3378	my ($ns) = @_;
2080		3379
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3381	},
2083	);	3382	);
…		…
2098	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2100		3399
2101	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2102		3401
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2104		3407
2105	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2106		3409
2107	=pod	3410	=pod
2108		3411
2109	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2110		3413
2111	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2112	cf::object::player player	3419	cf::object::player
2113	cf::player peaceful	3420	player
2114	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2115		3427
2116	=cut	3428	=cut
2117		3429
2118	for (	3430	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2123	) {	3437	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3440	for @funs;
2128	}	3441	}
2129		3442
…		…
2144		3457
2145	my $qcode = $code;	3458	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2148		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2149	local $_;	3465	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3466
2152	my $eval =	3467	my $eval =
2153	"do {\n"	3468	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3471	. $code
2157	. "\n}"	3472	. "\n}"
2158	;	3473	;
2159		3474
		3475	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2163		3484
2164	if ($@) {	3485	if ($@) {
2165	warn "$@";	3486	warn "$@",
2166	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2168	}	3489	}
2169		3490
2170	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2171	}	3492	}
2172		3493
…		…
2186	=cut	3507	=cut
2187		3508
2188	sub register_script_function {	3509	sub register_script_function {
2189	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2190		3511
2191	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2193	}	3514	}
2194		3515
2195	=back	3516	=back
2196		3517
2197	=cut	3518	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3519
2271	#############################################################################	3520	#############################################################################
2272	# the server's init and main functions	3521	# the server's init and main functions
2273		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
2274	sub load_facedata {	3547	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3548	my ($path) = @_;
2276		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
2277	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2278		3557
2279	my $faces;	3558	my $facedata = decode_storable load_file $path;
2280	0 < aio_load $path, $faces
2281	or die "$path: $!";
2282		3559
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;
2285	Coro::cede;
2286
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3560	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3562
2291	while (my ($face, $info) = each %$faces) {	3563	cf::cede_to_tick;
		3564
		3565	{
		3566	my $faces = delete $facedata->{faceinfo};
		3567
		3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3571
		3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2297	}	3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
		3580	}
2298		3581
2299	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2301	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
		3586	or next;
		3587
		3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
		3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3591	} else {
		3592	error "smooth face '$info->{smooth}' not found for face '$face'";
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	{
		3600	my $anims = delete $facedata->{animinfo};
		3601
		3602	while (my ($anim, $info) = each %$anims) {
		3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3604	cf::cede_to_tick;
		3605	}
		3606
		3607	cf::anim::invalidate_all; # d'oh
		3608	}
		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
		3632	1
		3633	}
		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
		3643	sub load_resource_file($) {
		3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
		3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
		3671	load_resource_file "$MAPDIR/regions"
		3672	or die "unable to load regions file\n";
		3673
		3674	for (cf::region::list) {
		3675	$_->{match} = qr/$_->{match}/
		3676	if exists $_->{match};
		3677	}
		3678	}
		3679
		3680	sub reload_facedata {
		3681	load_facedata "$DATADIR/facedata"
		3682	or die "unable to load facedata\n";
		3683	}
		3684
		3685	sub reload_archetypes {
		3686	load_resource_file "$DATADIR/archetypes"
		3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
		3697	}
		3698
		3699	sub reload_treasures {
		3700	load_resource_file "$DATADIR/treasures"
		3701	or die "unable to load treasurelists\n";
		3702	}
		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
2302	or next;	3711	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;
2305	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}
2308	Coro::cede;
2309	}
2310		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2311	1	3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
2312	}	3722	}
2313		3723
2314	sub reload_resources {	3724	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3725	trace "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3726
		3727	reload_materials;
2317	load_facedata	3728	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3729	reload_exp_table;
2319	}	3730	reload_sound;
2320		3731	reload_archetypes;
2321	sub init {
2322	reload_resources;	3732	reload_regions;
2323	}	3733	reload_treasures;
2324		3734
2325	sub cfg_load {	3735	trace "finished reloading resource files\n";
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3736	}
2327	or return;
2328		3737
2329	local $/;	3738	sub reload_config {
2330	*CFG = YAML::Syck::Load <$fh>;	3739	trace "reloading config file...\n";
2331		3740
		3741	my $config = load_file "$CONFDIR/config";
		3742	utf8::decode $config;
		3743	*CFG = decode_yaml $config;
		3744
2332	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2333		3746
2334	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2335	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2336		3749
2337	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2341	};	3754	};
2342	warn $@ if $@;	3755	warn $@ if $@;
2343	}	3756	}
2344	}	3757	}
2345		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
2346	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2347	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2349	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2350	(async {	3800	(async {
2351	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2352	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2353	};	3804	};
2354		3805
2355	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2356	db_init;	3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2357	load_extensions;	3830	load_extensions;
2358		3831
2359	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2360	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2361	}	3849	}
2362		3850
2363	#############################################################################	3851	#############################################################################
2364	# initialisation and cleanup	3852	# initialisation and cleanup
2365		3853
2366	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2367	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2368	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2369	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2370	reentrant => 0,
2371	data => WF_AUTOCANCEL,
2372	signal => $signal,
2373	prio => 0,
2374	cb => sub {
2375	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2376	},
2377	);	3860	};
		3861	}
		3862	}
		3863
		3864	sub write_runtime_sync {
		3865	my $t0 = AE::time;
		3866
		3867	# first touch the runtime file to show we are still running:
		3868	# the fsync below can take a very very long time.
		3869
		3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3871
		3872	my $guard = cf::lock_acquire "write_runtime";
		3873
		3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3875	or return;
		3876
		3877	my $value = $cf::RUNTIME + 90 + 10;
		3878	# 10 is the runtime save interval, for a monotonic clock
		3879	# 60 allows for the watchdog to kill the server.
		3880
		3881	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3882	and return;
		3883
		3884	# always fsync - this file is important
		3885	aio_fsync $fh
		3886	and return;
		3887
		3888	# touch it again to show we are up-to-date
		3889	aio_utime $fh, undef, undef;
		3890
		3891	close $fh
		3892	or return;
		3893
		3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3895	and return;
		3896
		3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3898
2378	}	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2379	}	3950	}
2380		3951
2381	sub emergency_save() {	3952	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2383		3954
2384	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2385		3961
2386	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2387	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2388	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2389	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2391	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3973	$pl->save;
2395	}	3974	}
2396	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2397		3976
2398	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2399	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2400	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2401	$map->valid or next;	3982	$map->valid or next;
2402	$map->save;	3983	$map->save;
2403	}	3984	}
2404	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2405		3986
2406	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
2407	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2408	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2409	};	4015	};
2410		4016
2411	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2412	}	4018	}
2413		4019
2414	sub post_cleanup {	4020	sub post_cleanup {
2415	my ($make_core) = @_;	4021	my ($make_core) = @_;
2416		4022
		4023	IO::AIO::flush;
		4024
2417	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	4026	if $make_core;
2419	}
2420		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
		4055	}
		4056
2421	sub reload() {	4057	sub do_reload_perl() {
2422	# can/must only be called in main	4058	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2424	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2425	return;	4061	return;
2426	}	4062	}
2427		4063
2428	warn "reloading...";	4064	return if $RELOAD++;
2429		4065
2430	warn "entering sync_job";	4066	my $t1 = AE::time;
2431		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2432	cf::sync_job {	4074	cf::sync_job {
2433	cf::write_runtime; # external watchdog should not bark
2434	cf::emergency_save;	4075	#cf::emergency_save;
2435	cf::write_runtime; # external watchdog should not bark
2436		4076
2437	warn "syncing database to disk";
2438	BDB::db_env_txn_checkpoint $DB_ENV;
2439
2440	# if anything goes wrong in here, we should simply crash as we already saved
2441
2442	warn "cancelling all WF_AUTOCANCEL watchers";
2443	for (Event::all_watchers) {
2444	$_->cancel if $_->data & WF_AUTOCANCEL;
2445	}
2446
2447	warn "flushing outstanding aio requests";
2448	for (;;) {
2449	BDB::flush;
2450	IO::AIO::flush;
2451	Coro::cede;
2452	last unless IO::AIO::nreqs || BDB::nreqs;
2453	warn "iterate...";
2454	}
2455
2456	++$RELOAD;
2457
2458	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2459	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2460	%EXT_CORO = ();	4079	%EXT_CORO = ();
2461		4080
2462	warn "removing commands";	4081	trace "perl_reload: removing commands";
2463	%COMMAND = ();	4082	%COMMAND = ();
2464		4083
2465	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2466	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2467		4087
2468	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2471		4091
2472	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2473	eval {	4093	eval {
2474	$cb->($pkg);	4094	$cb->($pkg);
2475	1	4095	1
2476	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2477	}	4101	}
2478		4102
2479	warn "... nuking $pkg";
2480	Symbol::delete_package $pkg;
2481	}
2482
2483	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2484	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2486		4106
2487	warn "... unloading $k";	4107	trace "... unloading $k";
2488	delete $INC{$k};	4108	delete $INC{$k};
2489		4109
2490	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2491	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2492		4112
2493	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2494	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2495	}	4118	}
2496		4119
2497	Symbol::delete_package $k;
2498	}
2499
2500	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2501	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		4123
2504	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
		4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2506		4127
2507	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2508	# and global variables created in xs	4129	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2510		4131
2511	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2512		4133
2513	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2514	require cf;	4135	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2516		4137
2517	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2518	cf::cfg_load;	4139	cf::reload_config;
2519		4140
2520	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2521	cf::load_extensions;	4142	cf::load_extensions;
2522		4143
		4144	if ($REATTACH_ON_RELOAD) {
2523	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2524	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
2525	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2526	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
2529		4152
2530	warn "loading reloadable resources";	4153	cf::_post_init 1;
2531	reload_resources;
2532		4154
2533	warn "leaving sync_job";	4155	trace "perl_reload: leaving sync_job";
2534		4156
2535	1	4157	1
2536	} or do {	4158	} or do {
2537	warn $@;	4159	error $@;
2538	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2539	exit 1;	4161	};
		4162
		4163	--$RELOAD;
		4164	}
		4165
		4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
		4168	};
		4169
		4170	our $RELOAD_WATCHER; # used only during reload
		4171
		4172	sub reload_perl() {
		4173	# doing reload synchronously and two reloads happen back-to-back,
		4174	# coro crashes during coro_state_free->destroy here.
		4175
		4176	$RELOAD_WATCHER ||= cf::async {
		4177	Coro::AIO::aio_wait cache_extensions;
		4178
		4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4180	do_reload_perl;
		4181	undef $RELOAD_WATCHER;
		4182	};
2540	};	4183	};
2541		4184	}
2542	warn "reloaded";
2543	};
2544
2545	our $RELOAD_WATCHER; # used only during reload
2546		4185
2547	register_command "reload" => sub {	4186	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2549		4188
2550	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
2552		4191	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	4192	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	4193	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	4194	};
2565	}	4195	}
2566	};	4196	};
2567		4197
2568	unshift @INC, $LIBDIR;	4198	#############################################################################
2569		4199
2570	my $bug_warning = 0;	4200	my $bug_warning = 0;
2571		4201
2572	$TICK_WATCHER = Event->timer (	4202	sub wait_for_tick() {
2573	reentrant => 0,	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2574	parked => 1,	4204
2575	prio => 0,	4205	$WAIT_FOR_TICK->wait;
2576	at => $NEXT_TICK || $TICK,	4206	}
2577	data => WF_AUTOCANCEL,	4207
2578	cb => sub {	4208	sub wait_for_tick_begin() {
		4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4210
		4211	my $signal = new Coro::Signal;
		4212	push @WAIT_FOR_TICK_BEGIN, $signal;
		4213	$signal->wait;
		4214	}
		4215
		4216	sub tick {
2579	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2582	return;	4220	return;
2583	}	4221	}
2584		4222
2585	$NOW = Event::time;	4223	cf::one_tick; # one server iteration
2586		4224
2587	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2588	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;
2590		4226
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2593	Coro::async_pool {	4229	Coro::async_pool {
		4230	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	4231	write_runtime_sync
2595	or warn "ERROR: unable to write runtime file: $!";	4232	or error "ERROR: unable to write runtime file: $!";
2596	};
2597	}	4233	};
		4234	}
2598		4235
		4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4237	$sig->send;
		4238	}
2599	$WAIT_FOR_TICK->broadcast;	4239	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601		4240
2602	# my $AFTER = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
2603	# warn $AFTER - $NOW;#d#	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2604		4243
2605	# if we are delayed by four ticks or more, skip them all	4244	if (0) {
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4245	if ($NEXT_TICK) {
2607		4246	my $jitter = $TICK_START - $NEXT_TICK;
2608	$TICK_WATCHER->at ($NEXT_TICK);	4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2609	$TICK_WATCHER->start;	4248	debug "jitter $JITTER\n";#d#
		4249	}
2610	},	4250	}
2611	);	4251	}
2612		4252
2613	{	4253	{
2614	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2615	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2616	reentrant => 0,	4256
2617	fd => BDB::poll_fileno,
2618	poll => 'r',
2619	prio => 0,
2620	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,
2622	);
2623	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
2624		4258	BDB::max_poll_reqs $TICK * 0.1;
2625	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
2626	my $status;
2627	my $current = $Coro::current;
2628	(
2629	sub {
2630	$status = $!;
2631	$current->ready; undef $current;
2632	},
2633	sub {
2634	Coro::schedule while defined $current;
2635	$! = $status;
2636	},
2637	)
2638	};
2639		4260
2640	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
2641	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2642		4268
2643	cf::sync_job {	4269	cf::sync_job {
2644	eval {	4270	eval {
2645	BDB::db_env_open	4271	BDB::db_env_open
2646	$DB_ENV,	4272	$DB_ENV,
2647	$BDB_ENV_DIR,	4273	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	4276	0666;
2651		4277
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	4279	};
2657		4280
2658	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	4282	};
2660	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
2661	}	4296	}
2662		4297
2663	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
2664	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
2665
2666	undef $Coro::AIO::WATCHER;
2667	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
2668	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
2669	reentrant => 0,	4305	info "aio initialised";
2670	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,
2672	poll => 'r',
2673	prio => 6,
2674	cb => \&IO::AIO::poll_cb,
2675	);
2676	}	4306	}
		4307
		4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
		4310
		4311	sub _log_backtrace {
		4312	my ($msg, @addr) = @_;
		4313
		4314	$msg =~ s/\n$//;
		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4319	# limit the # of concurrent backtraces
		4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
		4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
		4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
		4327	my @bt = fork_call {
		4328	@addr = map { sprintf "%x", $_ } @addr;
		4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4331	or die "addr2line: $!";
		4332
		4333	my @funcs;
		4334	my @res = <$fh>;
		4335	chomp for @res;
		4336	while (@res) {
		4337	my ($func, $line) = splice @res, 0, 2, ();
		4338	push @funcs, "[$func] $line";
		4339	}
		4340
		4341	@funcs
		4342	};
		4343
		4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4346	LOG llevInfo, "[ABT] $_\n" for @bt;
		4347	--$_log_backtrace;
		4348	};
		4349	} else {
		4350	LOG llevInfo, "[ABT] $msg\n";
		4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4352	}
		4353	}
		4354
		4355	# load additional modules
		4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
2677		4358
2678	END { cf::emergency_save }	4359	END { cf::emergency_save }
2679		4360
2680	1	4361	1
2681		4362

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