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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
26	use Time::HiRes;	62	use IO::AIO ();
27	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
28		65
		66	AnyEvent::detect;
		67
		68	# configure various modules to our taste
		69	#
		70	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		78
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		81
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		83
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	84	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		85
40	our %COMMAND = ();	86	our %COMMAND = ();
41	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
42		88
43	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
47		96
		97	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	98	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
50		101
51	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	103
53	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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	144	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		145
59	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		149
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
79	binmode STDOUT;	166	binmode STDOUT;
80	binmode STDERR;	167	binmode STDERR;
81		168
82	# read virtual server time, if available	169	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	171	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
87	}	174	}
88		175
89	mkdir cf::localdir;	176	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	177
91	mkdir cf::localdir . "/" . cf::tmpdir;	178	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		180
96	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
97		182
98	sub cf::map::normalise;	183	sub cf::map::normalise;
99		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
100	#############################################################################	189	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
103		203
104	=over 4	204	=over 4
105		205
106	=item $cf::UPTIME	206	=item $cf::UPTIME
107		207
108	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.
109		224
110	=item $cf::RUNTIME	225	=item $cf::RUNTIME
111		226
112	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
113	every server tick.	228	every server tick.
114		229
115	=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
116		233
117	The perl library directory, where extensions and cf-specific modules can	234	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		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
120	=item $cf::NOW	245	=item $cf::LOAD
121		246
122	The time of the last (current) server tick.	247	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		248
128	=item %cf::CFG	249	=item %cf::CFG
129		250
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	252	from wherever your confdir points to.
132		253
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		255
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$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.
139		288
140	=back	289	=back
141		290
142	=cut	291	=cut
143		292
144	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	300	my $msg = join "", @_;
147	utf8::encode $msg;
148		301
149	$msg .= "\n"	302	$msg .= "\n"
150	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
151		304
		305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		306
152	LOG llevError, $msg;	307	LOG llevWarn, $msg;
153	};	308	};
154	}	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	};
155		323
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		331
163	# 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
164	# within the Safe compartment.	333	# within the Safe compartment.
165	for my $pkg (qw(	334	for my $pkg (qw(
166	cf::global cf::attachable	335	cf::global cf::attachable
167	cf::object cf::object::player	336	cf::object cf::object::player
168	cf::client cf::player	337	cf::client cf::player
169	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
170	cf::map cf::party cf::region	340	cf::party cf::region
171	)) {	341	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	343	}
175		344
176	$Event::DIED = sub {	345	$EV::DIED = sub {
177	warn "error in event callback: @_";	346	warn "error in event callback: $@";
178	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
179		355
180	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
181		357
182	=over 4	358	=over 4
183		359
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	379	$d
204	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
205	}	381	}
206		382
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
208		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($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
209	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
210		436
211	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
212		438
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
221		440
222	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
223		442
224	=cut	443	=cut
225		444
226	sub to_json($) {	445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	446
228	JSON::Syck::Dump $_[0]	447	sub encode_json($) { $json_coder->encode ($_[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	}
229	}	510	}
230		511
231	=item cf::lock_wait $string	512	=item cf::lock_wait $string
232		513
233	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
234		515
235	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
236		517
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
240	returned.	521	returned.
241		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
242	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
243	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
244		528
245	=cut	529	=item $locked = cf::lock_active $string
246		530
247	our %LOCK;	531	Return true if the lock is currently active, i.e. somebody has locked it.
		532
		533	=cut
		534
		535	our $LOCKS = new Coro::SemaphoreSet;
248		536
249	sub lock_wait($) {	537	sub lock_wait($) {
250	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	539	}
258		540
259	sub lock_acquire($) {	541	sub lock_acquire($) {
260	my ($key) = @_;	542	$LOCKS->guard ($_[0])
		543	}
261		544
262	# wait, to be sure we are not locked	545	sub lock_active($) {
263	lock_wait $key;	546	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	547	}
272		548
273	sub freeze_mainloop {	549	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
275		551
276	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
277	$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($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
278	};	622	}
279	$TICK_WATCHER->stop;	623	};
280	$guard	624
		625	sub get_slot($;$$) {
		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	$sig->wait;
281	}	638	}
282		639
283	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
284		641
285	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		647
291	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
292		649
293	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
294		651
295	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
298		656
299	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
302	fast or be very important.	660	fast or be very important.
…		…
304	=cut	662	=cut
305		663
306	sub sync_job(&) {	664	sub sync_job(&) {
307	my ($job) = @_;	665	my ($job) = @_;
308		666
309	if ($Coro::current == $Coro::main) {	667	if (in_main) {
		668	my $time = AE::time;
		669
310	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
312		672
313	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	674
315	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
316		676
317	my $busy = 1;	677	my $busy = 1;
318	my @res;	678	my @res;
319		679
320	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	682	@res = eval { $job->() };
322	warn $@ if $@;	683	error $@ if $@;
323	undef $busy;	684	undef $busy;
324	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
325		686
326	while ($busy) {	687	while ($busy) {
327	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
328	}	692	}
		693	}
		694
		695	my $time = AE::time - $time;
		696
		697	$TICK_START += $time; # do not account sync jobs to server load
329		698
330	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
331	} else {	700	} else {
332	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
333		702
…		…
353	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
354		723
355	$coro	724	$coro
356	}	725	}
357		726
358	sub write_runtime {	727	=item fork_call { }, @args
359	my $guard = cf::lock_acquire "write_runtime";
360		728
361	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.
362		733
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	734	=cut
364	or return;
365		735
366	my $value = $cf::RUNTIME + 90 + 10;	736	sub post_fork {
367	# 10 is the runtime save interval, for a monotonic clock	737	reset_signals;
368	# 60 allows for the watchdog to kill the server.	738	}
369		739
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	740	sub fork_call(&@) {
371	and return;	741	my ($cb, @args) = @_;
372		742
373	# always fsync - this file is important	743	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	744	# otherwise perl prematurely frees the stuff :/
375	and return;	745	# TODO: investigate and fix (likely this will be rather laborious)
376		746
377	close $fh	747	my @res = Coro::Util::fork_eval {
378	or return;	748	cf::post_fork;
		749	&$cb
		750	} @args;
379		751
380	aio_rename "$runtime~", $runtime	752	wantarray ? @res : $res[-1]
381	and return;	753	}
382		754
		755	sub objinfo {
383	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"
		919	}
		920
		921	=item cf::datalog type => key => value, ...
		922
		923	Log a datalog packet of the given type with the given key-value pairs.
		924
		925	=cut
		926
		927	sub datalog($@) {
		928	my ($type, %kv) = @_;
		929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	930	}
385		931
386	=back	932	=back
387		933
388	=cut	934	=cut
389		935
390	#############################################################################	936	#############################################################################
391		937
392	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
393		939
394	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
395	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")
396	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
397		943
398	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>
399	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
400	crossfire+).	946	Deliantra).
401		947
402	=over 4	948	=over 4
403		949
404	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
405		951
…		…
449	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
450		996
451	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
453		999
454	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		1002
457	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
458		1004
459	=over 4	1005	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1114	$registry = $CB_TYPE[$object_type] ||= [];
569		1115
570	} elsif ($type eq "subtype") {	1116	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1117	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1118	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1119	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1120
575	} elsif ($type eq "package") {	1121	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1122	my $pkg = shift @arg;
577		1123
578	while (my ($name, $id) = each %cb_id) {	1124	while (my ($name, $id) = each %cb_id) {
…		…
583		1129
584	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1132
587	} elsif (ref $type) {	1133	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
589		1135
590	} else {	1136	} else {
591	shift @arg;	1137	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
593	}	1139	}
594	}	1140	}
595	}	1141	}
596		1142
597	sub _object_attach {	1143	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
608	}	1154	}
609		1155
610	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
611	} else {	1157	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1159	}
614		1160
615	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
616	}	1162	}
617		1163
…		…
619	if (ref $_[0]) {	1165	if (ref $_[0]) {
620	_object_attach @_;	1166	_object_attach @_;
621	} else {	1167	} else {
622	_attach shift->_attach_registry, @_;	1168	_attach shift->_attach_registry, @_;
623	}	1169	}
		1170	_recalc_want;
624	};	1171	};
625		1172
626	# all those should be optimised	1173	# all those should be optimised
627	sub cf::attachable::detach {	1174	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1175	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1178	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1179	reattach ($obj);
633	} else {	1180	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1181	Carp::croak "cannot, currently, detach class attachments";
635	}	1182	}
		1183	_recalc_want;
636	};	1184	};
637		1185
638	sub cf::attachable::attached {	1186	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1187	my ($obj, $name) = @_;
640		1188
…		…
655	";	1203	";
656	die if $@;	1204	die if $@;
657	}	1205	}
658		1206
659	our $override;	1207	our $override;
660	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?
661		1209
662	sub override {	1210	sub override {
663	$override = 1;	1211	$override = 1;
664	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
665	}	1213	}
666		1214
667	sub do_invoke {	1215	sub do_invoke {
668	my $event = shift;	1216	my $event = shift;
669	my $callbacks = shift;	1217	my $callbacks = shift;
670		1218
671	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
672		1220
673	local $override;	1221	local $override;
674		1222
675	for (@$callbacks) {	1223	for (@$callbacks) {
676	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
677		1225
678	if ($@) {	1226	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1228	override;
682	}	1229	}
683		1230
684	return 1 if $override;	1231	return 1 if $override;
685	}	1232	}
686		1233
687	0	1234	0
688	}	1235	}
689		1236
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1238
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1240
694	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
695		1242
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1246
700	=back	1247	=back
701		1248
702	=cut	1249	=cut
703		1250
704	#############################################################################	1251	#############################################################################
705	# 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, $ob2
		1294	}
706		1295
707	sub reattach {	1296	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1298	my ($obj) = @_;
710		1299
		1300	# no longer needed after getting rid of delete_package?
711	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
712		1302
713	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
714		1304
715	@$registry = ();	1305	@$registry = ();
716		1306
…		…
721	for (@$attach) {	1311	for (@$attach) {
722	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
724	}	1314	}
725	} else {	1315	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1317	}
728	}	1318	}
729	}	1319	}
730		1320
731	cf::attachable->attach (	1321	cf::attachable->attach (
732	prio => -1000000,	1322	prio => -1000000,
733	on_instantiate => sub {	1323	on_instantiate => sub {
734	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
735		1325
736	$data = from_json $data;	1326	$data = decode_json $data;
737		1327
738	for (@$data) {	1328	for (@$data) {
739	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
740		1330
741	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1347	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
759		1349
760	sync_job {	1350	sync_job {
761	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
764		1356
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1364	aio_close $fh;
770		1365
771	if (@$objs) {	1366	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1375	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
779	}	1377	}
780	} else {	1378	} else {
781	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
782	}	1380	}
783		1381
784	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1386	} else {
786	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
787	}	1388	}
788	} else {	1389	} else {
789	aio_unlink $filename;	1390	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
791	}	1392	}
792	}	1393	};
793	}	1394	}
794		1395
795	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
797		1398
…		…
809	or return;	1410	or return;
810		1411
811	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
813	or return;	1414	or return;
		1415
814	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
815	}	1418	}
816		1419
		1420	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
819	return ($data, $av);	1425	($data, $av)
820	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
821		1433
822	#############################################################################	1434	#############################################################################
823	# command handling &c	1435	# command handling &c
824		1436
825	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
826		1438
827	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
828	$name.	1440	$name.
829		1441
830	=cut	1442	=cut
…		…
836	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
837		1449
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1451	}
840		1452
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
842		1454
843	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.
844		1460
845	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
846	called.
847		1462
848	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
849		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$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
850	sub register_extcmd {	1485	sub register_extcmd($$) {
851	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
852		1487
853	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
854	}	1489	}
855		1490
		1491	sub register_async_extcmd($$) {
		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} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
856	cf::player->attach (	1511	cf::player->attach (
857	on_command => sub {	1512	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
859		1514
860	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
861	or return;	1516	or return;
862		1517
…		…
867	cf::override;	1522	cf::override;
868	},	1523	},
869	on_extcmd => sub {	1524	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
871		1526
872	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1528
874	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
877	$pl->ext_reply ($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);
878	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
879	}	1550	}
		1551
880	} else {	1552	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1554	}
883		1555
884	cf::override;	1556	cf::override;
885	},	1557	},
886	);	1558	);
887		1559
		1560	# "readahead" all extensions
888	sub load_extension {	1561	sub cache_extensions {
889	my ($path) = @_;	1562	my $grp = IO::AIO::aio_group;
890		1563
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1565	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1567	}
916	die $@;
917	}	1568	};
918		1569
919	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;
920	}	1582	}
921		1583
922	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
		1589	cf::sync_job {
		1590	my %todo;
		1591
923	for my $ext (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1593	next unless -r $path;
925	eval {	1594
926	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 $active;
		1666	}
927	1	1667	}
928	} or warn "$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	}
929	}	1680	};
930	}	1681	}
931		1682
932	#############################################################################	1683	#############################################################################
933		1684
		1685	=back
		1686
934	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
935		1688
936	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
937		1690
938	=cut	1691	=cut
939		1692
940	package cf::player;	1693	package cf::player;
941		1694
…		…
943		1696
944	=head3 cf::player	1697	=head3 cf::player
945		1698
946	=over 4	1699	=over 4
947		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
948	=item cf::player::find $login	1715	=item cf::player::find $login
949		1716
950	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
951		1718
952	=cut	1719	=cut
953		1720
954	sub playerdir($) {	1721	sub playerdir($) {
955	cf::localdir	1722	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1723	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1724	}
961		1725
962	sub path($) {	1726	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1727	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1728
965	(playerdir $login) . "/$login.pl"	1729	(playerdir $login) . "/playerdata"
966	}	1730	}
967		1731
968	sub find_active($) {	1732	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1733	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1734	and $cf::PLAYER{$_[0]}->active
…		…
973		1737
974	sub exists($) {	1738	sub exists($) {
975	my ($login) = @_;	1739	my ($login) = @_;
976		1740
977	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
979	}	1743	}
980		1744
981	sub find($) {	1745	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1747	my $login = $_[0];
984		1748
985	my $guard = cf::lock_acquire "user_find:$login";	1749	my $guard = cf::lock_acquire "user_find:$login";
986		1750
987	$cf::PLAYER{$_[0]} || do {	1751	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
991	}	1768	}
992	}	1769	}
993	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($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	);
994		1784
995	sub save($) {	1785	sub save($) {
996	my ($pl) = @_;	1786	my ($pl) = @_;
997		1787
998	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1004		1794
1005	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1007		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
1008	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1009	Coro::cede;	1804	cf::cede_to_tick;
1010	}	1805	}
1011		1806
1012	sub new($) {	1807	sub new($) {
1013	my ($login) = @_;	1808	my ($login) = @_;
1014		1809
…		…
1020	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1021		1816
1022	$self	1817	$self
1023	}	1818	}
1024		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
1025	=item $pl->quit_character	1830	=item $pl->quit_character
1026		1831
1027	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1029		1834
…		…
1033	my ($pl) = @_;	1838	my ($pl) = @_;
1034		1839
1035	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1036		1841
1037	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1038	$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
1039		1844
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1041	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1043	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1044		1853
1045	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1047	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1076	while and may block, so not sync_job-capable, ever.	1885	while and may block, so not sync_job-capable, ever.
1077		1886
1078	=cut	1887	=cut
1079		1888
1080	sub list_logins {	1889	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1890	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1891	or return [];
1083		1892
1084	my @logins;	1893	my @logins;
1085		1894
1086	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") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1090		1905
1091	utf8::decode $login;	1906	utf8::decode $login;
1092	push @logins, $login;	1907	push @logins, $login;
1093	}	1908	}
1094		1909
1095	\@logins	1910	\@logins
1096	}	1911	}
1097		1912
1098	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1099		1916
1100	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1101	player. May block.	1918	player. May block.
1102		1919
1103	=cut	1920	=cut
…		…
1121	}	1938	}
1122		1939
1123	\@paths	1940	\@paths
1124	}	1941	}
1125		1942
		1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1944
		1945	Expand deliantra pod fragments into protocol xml.
		1946
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1947	=item $player->ext_msg ($type, @msg)
1127		1948
1128	Sends an ext reply to the player.	1949	Sends an ext event to the client.
1129		1950
1130	=cut	1951	=cut
1131		1952
1132	sub ext_reply($$$%) {	1953	sub ext_msg($$@) {
1133	my ($self, $id, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1134		1955
1135	$msg{msgid} = $id;	1956	$self->ns->ext_msg ($type, @msg);
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1957	}
1139		1958
1140	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	}
1141		1989
1142	=back	1990	=back
1143
1144		1991
1145	=head3 cf::map	1992	=head3 cf::map
1146		1993
1147	=over 4	1994	=over 4
1148		1995
…		…
1160	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1162		2009
1163	sub generate_random_map {	2010	sub generate_random_map {
1164	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1165	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1166	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1170	$rmp->{exit_on_final_map},
1171	$rmp->{xsize}, $rmp->{ysize},
1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1177	(cf::region::find $rmp->{region}), $rmp->{custom}
1178	)
1179	}	2016	}
1180		2017
1181	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1182		2019
1183	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
…		…
1188		2025
1189	sub register {	2026	sub register {
1190	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1191	my $pkg = caller;	2028	my $pkg = caller;
1192		2029
1193	no strict;
1194	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1195		2031
1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197	}	2033	}
1198		2034
1199	# also paths starting with '/'	2035	# also paths starting with '/'
1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1201		2037
1202	sub thawer_merge {	2038	sub thawer_merge {
1203	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1204		2040
1205	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
1206	local $self->{path};	2042	local $self->{path};
1207	local $self->{load_path};	2043	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		2044
1211	$self->SUPER::thawer_merge ($merge);	2045	$self->SUPER::thawer_merge ($merge);
1212	}	2046	}
1213		2047
1214	sub normalise {	2048	sub normalise {
1215	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1216		2050
1217	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1218		2052
1219	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1220		2054
1221	# map plan:	2055	# map plan:
1222	#	2056	#
…		…
1237	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1238	$path = "$base/$path";	2072	$path = "$base/$path";
1239	}	2073	}
1240		2074
1241	for ($path) {	2075	for ($path) {
1242	redo if s{//}{/};
1243	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1244	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1245	}	2078	}
1246		2079
1247	$path	2080	$path
…		…
1261	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1262	return $self;	2095	return $self;
1263	}	2096	}
1264	}	2097	}
1265		2098
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1267	()	2100	()
1268	}	2101	}
1269		2102
		2103	# may re-bless or do other evil things
1270	sub init {	2104	sub init {
1271	my ($self) = @_;	2105	my ($self) = @_;
1272		2106
1273	$self	2107	$self
1274	}	2108	}
…		…
1286		2120
1287	# the original (read-only) location	2121	# the original (read-only) location
1288	sub load_path {	2122	sub load_path {
1289	my ($self) = @_;	2123	my ($self) = @_;
1290		2124
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2125	"$MAPDIR/$self->{path}.map"
1292	}	2126	}
1293		2127
1294	# the temporary/swap location	2128	# the temporary/swap location
1295	sub save_path {	2129	sub save_path {
1296	my ($self) = @_;	2130	my ($self) = @_;
1297		2131
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2133	"$TMPDIR/$path.map"
1300	}	2134	}
1301		2135
1302	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1303	sub uniq_path {	2137	sub uniq_path {
1304	my ($self) = @_;	2138	my ($self) = @_;
1305		2139
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2141	"$UNIQUEDIR/$path"
1308	}	2142	}
1309		2143
1310	# and all this just because we cannot iterate over	2144	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	2145	my ($self) = @_;
1314		2146
1315	$_->change_map_light ($change)	2147	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	2148
		2149	$self->do_decay_objects;
1317	}	2150	}
1318		2151
1319	sub unlink_save {	2152	sub unlink_save {
1320	my ($self) = @_;	2153	my ($self) = @_;
1321		2154
…		…
1326		2159
1327	sub load_header_from($) {	2160	sub load_header_from($) {
1328	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1329		2162
1330	utf8::encode $path;	2163	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	2165	or return;
1336		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1337	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1338		2174
1339	1	2175	1
1340	}	2176	}
1341		2177
		2178	# used to laod the header of an original map
1342	sub load_header_orig {	2179	sub load_header_orig {
1343	my ($self) = @_;	2180	my ($self) = @_;
1344		2181
1345	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1346	}	2183	}
1347		2184
		2185	# used to laod the header of an instantiated map
1348	sub load_header_temp {	2186	sub load_header_temp {
1349	my ($self) = @_;	2187	my ($self) = @_;
1350		2188
1351	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1352	}	2190	}
1353		2191
		2192	# called after loading the header from an instantiated map
1354	sub prepare_temp {	2193	sub prepare_temp {
1355	my ($self) = @_;	2194	my ($self) = @_;
1356		2195
1357	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1358	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1359	# safety	2198	# safety
1360	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1361	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1362	}	2201	}
1363		2202
		2203	# called after loading the header from an original map
1364	sub prepare_orig {	2204	sub prepare_orig {
1365	my ($self) = @_;	2205	my ($self) = @_;
1366		2206
1367	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1368	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1379	$self->load_header_orig	2219	$self->load_header_orig
1380	or return;	2220	or return;
1381	$self->prepare_orig;	2221	$self->prepare_orig;
1382	}	2222	}
1383		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 $self->default_region;
		2229
1384	1	2230	1
1385	}	2231	}
1386		2232
1387	sub find;	2233	sub find;
1388	sub find {	2234	sub find {
1389	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1390		2236
		2237	cf::cede_to_tick;
		2238
1391	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1392		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2243
1395	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1398	or return;	2246	or return;
1399		2247
1400	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1401		2249
1402	$map->load_header	2250	$map->load_header
1403	or return;	2251	or return;
1404		2252
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1408	$map->reset;	2258	$map->reset;
1409	undef $guard;
1410	return find $path;	2259	return find $path;
1411	}	2260	}
1412		2261
1413	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1414	}	2263	}
1415	}	2264	}
1416		2265
1417	sub pre_load { }	2266	sub pre_load { }
1418	sub post_load { }	2267	#sub post_load { } # XS
1419		2268
1420	sub load {	2269	sub load {
1421	my ($self) = @_;	2270	my ($self) = @_;
1422		2271
1423	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1424		2273
1425	my $path = $self->{path};	2274	my $path = $self->{path};
		2275
		2276	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1427		2278
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2279	return unless $self->valid;
		2280	return unless $self->state == cf::MAP_SWAPPED;
1429		2281
1430	$self->in_memory (cf::MAP_LOADING);
1431
1432	$self->alloc;	2282	$self->alloc;
1433		2283
1434	$self->pre_load;	2284	$self->pre_load;
		2285	cf::cede_to_tick;
1435		2286
1436	$self->_load_objects ($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)
1437	or return;	2291	or return;
1438		2292
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1440	if delete $self->{load_original};	2294	if delete $self->{load_original};
1441		2295
1442	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2297	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2300	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1447	}	2305	}
1448	}
1449		2306
1450	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
1451		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1452	# now do the right thing for maps	2316	# now do the right thing for maps
1453	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2319	unless $self->difficulty;
1463	Coro::cede;	2320	cf::cede_to_tick;
1464	$self->activate;	2321
		2322	unless ($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);
1465	}	2332	}
1466		2333
1467	$self->post_load;	2334	$self->post_load;
1468		2335
1469	$self->in_memory (cf::MAP_IN_MEMORY);	2336	1
1470	}	2337	}
1471		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1472	sub customise_for {	2342	sub customise_for {
1473	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1474		2344
1475	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2346	if $self->per_player;
1477		2347
		2348	# return find "?party/" . $ob->name . "/" . $self->{path}
		2349	# if $self->per_party;
		2350
1478	$self	2351	$self
1479	}
1480
1481	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {
1483	my ($map) = @_;
1484
1485	my @diag; # diagonal neighbours
1486
1487	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)
1489	or next;
1490	$neigh = find $neigh, $map
1491	or next;
1492	$neigh->load;
1493
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}
1497
1498	for (@diag) {
1499	my $neigh = find @$_
1500	or next;
1501	$neigh->load;
1502	}
1503	}	2352	}
1504		2353
1505	sub find_sync {	2354	sub find_sync {
1506	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1507		2356
1508	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, $origin
1509	}	2362	}
1510		2363
1511	sub do_load_sync {	2364	sub do_load_sync {
1512	my ($map) = @_;	2365	my ($map) = @_;
1513		2366
1514	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;
1515	}	2372	}
1516		2373
1517	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1519		2376
1520	sub find_async {	2377	sub find_async {
1521	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1522		2379
1523	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1524		2381
1525	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1527	}	2384	}
1528		2385
1529	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1530	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1531	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2393	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2394	$map->load if $v;
		2395	}
1536		2396
1537	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1538	}	2398	}
1539	}	2399	}
1540	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1541	};	2401	};
1542	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1543		2403
1544	()	2404	()
1545	}	2405	}
1546		2406
		2407	# common code, used by both ->save and ->swapout
1547	sub save {	2408	sub _save {
1548	my ($self) = @_;	2409	my ($self) = @_;
1549
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1551		2410
1552	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1553		2412
1554	return unless $self->dirty;	2413	return unless $self->dirty;
1555		2414
…		…
1561	return if $self->{deny_save};	2420	return if $self->{deny_save};
1562		2421
1563	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1564		2423
1565	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1567	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1568		2430
1569	if ($uniq) {	2431	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2434	} else {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1574	}	2436	}
1575	}	2437	}
1576		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1577	sub swap_out {	2447	sub swap_out {
1578	my ($self) = @_;	2448	my ($self) = @_;
1579		2449
1580	# save first because save cedes
1581	$self->save;
1582
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1585	return if $self->players;	2454	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};
1588		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
1589	$self->clear;	2465	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2466	}
1592		2467
1593	sub reset_at {	2468	sub reset_at {
1594	my ($self) = @_;	2469	my ($self) = @_;
1595		2470
1596	# TODO: safety, remove and allow resettable per-player maps	2471	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2472	return 1e99 if $self->{deny_reset};
1599		2473
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2476
…		…
1613	my ($self) = @_;	2487	my ($self) = @_;
1614		2488
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2490
1617	return if $self->players;	2491	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2492
1620	warn "resetting map ", $self->path;#d#	2493	cf::trace "resetting map ", $self->path, "\n";
1621		2494
1622	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1623		2496
1624	# need to save uniques path	2497	# need to save uniques path
1625	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1626	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1627		2500
…		…
1629	if $uniq;	2502	if $uniq;
1630	}	2503	}
1631		2504
1632	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1633		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2509	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2510
1638	$self->unlink_save;	2511	$self->unlink_save;
1639	$self->destroy;	2512	$self->destroy;
1640	}	2513	}
1641		2514
1642	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1643		2516
1644	sub nuke {	2517	sub nuke {
1645	my ($self) = @_;	2518	my ($self) = @_;
1646		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1647	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1648		2524
1649	$self->unlink_save;	2525	$self->unlink_save;
1650		2526
1651	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1652	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2532
1657	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1658		2535
1659	$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	]
1660	}	2573	}
1661		2574
1662	=item cf::map::unique_maps	2575	=item cf::map::unique_maps
1663		2576
1664	Returns an arrayref of paths of all shared maps that have	2577	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2578	instantiated unique items. May block.
1666		2579
1667	=cut	2580	=cut
1668		2581
1669	sub unique_maps() {	2582	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2583	[
1671	or return;	2584	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2585	utf8::decode $_;
1677	next if /\.pst$/;	2586	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2588	? ()
1680	push @paths, cf::map::normalise $_;	2589	: normalise $_
		2590	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2591	]
1682
1683	\@paths
1684	}	2592	}
1685		2593
1686	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	}
1687		2625
1688	=back	2626	=back
1689		2627
1690	=head3 cf::object	2628	=head3 cf::object
1691		2629
…		…
1695		2633
1696	=over 4	2634	=over 4
1697		2635
1698	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1699		2637
1700	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.
1701		2640
1702	=cut	2641	=cut
1703		2642
1704	sub inv_recursive_;	2643	sub inv_recursive_;
1705	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1708		2647
1709	sub inv_recursive {	2648	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1711	}	2650	}
1712		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
1713	package cf;	2680	package cf;
1714		2681
1715	=back	2682	=back
1716		2683
1717	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1723	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>
1724	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
1725	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1726		2693
1727	=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	};
1728		2709
1729	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2711	# with dialog boxes.
1731	#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
1732	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1734		2715
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2717
1737	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1739	} 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 {
1740	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1742	}	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 (@_);
1743	}	2743	}
1744		2744
1745	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1746		2746
1747	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1760		2760
1761	=item $player_object->enter_link	2761	=item $player_object->enter_link
1762		2762
1763	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}>).
1764		2764
1765	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.
1766	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.
1767		2769
1768	Will never block.	2770	Will never block.
1769		2771
1770	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1771		2773
…		…
1791	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1792	my ($self) = @_;	2794	my ($self) = @_;
1793		2795
1794	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1795		2797
		2798	++$self->{_link_recursion};
		2799
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2801
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2803	if $self->map && $self->map->{path} ne "{link}";
1800		2804
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1802	}	2806	}
1803		2807
1804	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
		2810
		2811	return unless $self->contr->active;
1806		2812
1807	my $link_pos = delete $self->{_link_pos};	2813	my $link_pos = delete $self->{_link_pos};
1808		2814
1809	unless ($map) {	2815	unless ($map) {
1810	# restore original map position	2816	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
1823		2829
1824	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
1827		2833
1828	$map->load;	2834	$map->load;
1829	$map->load_diag;
1830		2835
1831	return unless $self->contr->active;	2836	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2837
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
1836	}	2840	# entering was successful
1837		2841	delete $self->{_link_recursion};
1838	cf::player->attach (	2842	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2843	$self->activate_recursive;
1840	my ($pl) = @_;
1841
1842	# abort map switching before logout
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},	2844	}
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2845
1852	# try to abort aborted map switching on player login :)	2846	}
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2847
1870	=item $player_object->goto ($path, $x, $y)	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1871		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
1872	=cut	2859	=cut
		2860
		2861	our $GOTOGEN;
1873		2862
1874	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
1875	my ($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;
1876		2874
1877	$self->enter_link;	2875	$self->enter_link;
1878		2876
1879	(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
1880	my $map = eval {	2899	my $map = eval {
1881	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2901
		2902	if ($map) {
1882	$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
1883	$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 $@;
1884	} or	2915	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2916
		2917	if ($gen == $self->{_goto_generation}) {
		2918	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
		2920	}
		2921
		2922	$done->($self) if $done;
1888	})->prio (1);	2923	})->prio (1);
1889	}	2924	}
1890		2925
1891	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
1892		2927
…		…
1912	}	2947	}
1913		2948
1914	sub prepare_random_map {	2949	sub prepare_random_map {
1915	my ($exit) = @_;	2950	my ($exit) = @_;
1916		2951
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2954	# that depends on the exit object
1922		2955
1923	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2958	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
1930	}	2965	}
1931		2966
1932	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
1933		2968
1934	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
1937		2972
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2975	undef $fh;
1941	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
1942		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
1945	}	2984	}
1946	}	2985	}
1947		2986
1948	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
1950		2989
1951	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
1952		2991
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2992	$self->enter_link;
1963		2993
1964	(async {	2994	(async {
1965	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
1966	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
1967	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
1968		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
1969	1;	3033	1
1970	}) {	3034	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "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. "
1973	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
1975		3039
1976	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
1977	$self->leave_link;	3041	$self->leave_link;
1978	}	3042	}
1979	})->prio (1);	3043	})->prio (1);
1980	}	3044	}
1981		3045
…		…
1992		3056
1993	sub cf::client::send_drawinfo {	3057	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	3058	my ($self, $text, $flags) = @_;
1995		3059
1996	utf8::encode $text;	3060	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	3062	}
1999		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	}
2000		3262
2001	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2002		3264
2003	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
2004	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>,
2005	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>.
2006		3268
2007	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
2008	reliable at some point in the future.	3270	become reliable at some point in the future.
2009		3271
2010	=cut	3272	=cut
2011		3273
2012	sub cf::client::query {	3274	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3283	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3285
2024	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2026	}	3290	}
2027		3291
2028	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	},
2029	on_reply => sub {	3298	on_reply => sub {
2030	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2031		3300
2032	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2033	# get handled first	3302	# get handled first
…		…
2045	} else {	3314	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3316	}
2048	}	3317	}
2049	},	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	},
2050	);	3352	);
2051		3353
2052	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2053		3355
2054	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		3372
2071	$coro	3373	$coro
2072	}	3374	}
2073		3375
2074	cf::client->attach (	3376	cf::client->attach (
2075	on_destroy => sub {	3377	on_client_destroy => sub {
2076	my ($ns) = @_;	3378	my ($ns) = @_;
2077		3379
2078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2079	},	3381	},
2080	);	3382	);
…		…
2095	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2097		3399
2098	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2099		3401
2100	$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	));
2101		3407
2102	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2103		3409
2104	=pod	3410	=pod
2105		3411
2106	The following fucntions and emthods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2107		3413
2108	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
2109	cf::object::player player	3419	cf::object::player
2110	cf::player peaceful	3420	player
2111	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2112		3427
2113	=cut	3428	=cut
2114		3429
2115	for (	3430	for (
2116	["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)],
2117	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2120	) {	3437	) {
2121	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2124	for @funs;	3440	for @funs;
2125	}	3441	}
2126		3442
…		…
2141		3457
2142	my $qcode = $code;	3458	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2145		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2146	local $_;	3465	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3466
2149	my $eval =	3467	my $eval =
2150	"do {\n"	3468	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3471	. $code
2154	. "\n}"	3472	. "\n}"
2155	;	3473	;
2156		3474
		3475	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	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	}
2160		3484
2161	if ($@) {	3485	if ($@) {
2162	warn "$@";	3486	warn "$@",
2163	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2164	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2165	}	3489	}
2166		3490
2167	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2168	}	3492	}
2169		3493
…		…
2183	=cut	3507	=cut
2184		3508
2185	sub register_script_function {	3509	sub register_script_function {
2186	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2187		3511
2188	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2190	}	3514	}
2191		3515
2192	=back	3516	=back
2193		3517
2194	=cut	3518	=cut
2195
2196	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267		3519
2268	#############################################################################	3520	#############################################################################
2269	# the server's init and main functions	3521	# the server's init and main functions
2270		3522
2271	sub init_resources {	3523	our %FACEHASH; # hash => idx, #d# HACK for http server
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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
		3547	sub load_facedata($) {
		3548	my ($path) = @_;
		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
		3556	trace "loading facedata from $path\n";
		3557
		3558	my $facedata = decode_storable load_file $path;
		3559
		3560	$facedata->{version} == 2
		3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3562
		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};
		3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
		3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
		3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
		3580	}
		3581
		3582	while (my ($face, $info) = each %$faces) {
		3583	next unless $info->{smooth};
		3584
		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"
2273	or die "unable to load regions file\n";#d#	3672	or die "unable to load regions file\n";
2274	}
2275		3673
2276	sub cfg_load {	3674	for (cf::region::list) {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3675	$_->{match} = qr/$_->{match}/
2278	or return;	3676	if exists $_->{match};
		3677	}
		3678	}
2279		3679
2280	local $/;	3680	sub reload_facedata {
2281	*CFG = YAML::Syck::Load <$fh>;	3681	load_facedata "$DATADIR/facedata"
		3682	or die "unable to load facedata\n";
		3683	}
2282		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}[$_]
		3711	or next;
		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
		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	}
		3722	}
		3723
		3724	sub reload_resources {
		3725	trace "reloading resource files...\n";
		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
		3732	reload_regions;
		3733	reload_treasures;
		3734
		3735	trace "finished reloading resource files\n";
		3736	}
		3737
		3738	sub reload_config {
		3739	trace "reloading config file...\n";
		3740
		3741	my $config = load_file "$CONFDIR/config";
		3742	utf8::decode $config;
		3743	*CFG = decode_yaml $config;
		3744
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3746
2285	$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};
2286	$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};
2287		3749
2288	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2292	};	3754	};
2293	warn $@ if $@;	3755	warn $@ if $@;
2294	}	3756	}
2295	}	3757	}
2296		3758
2297	sub init {	3759	sub pidfile() {
2298	init_resources;	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;
2299	}	3785	}
2300		3786
2301	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
2302	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2304	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#
2305	(async {	3800	(async {
2306	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2308	};	3804	};
2309		3805
2310	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2311	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
2312	load_extensions;	3830	load_extensions;
2313		3831
2314	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2315	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;
2316	}	3849	}
2317		3850
2318	#############################################################################	3851	#############################################################################
2319	# initialisation and cleanup	3852	# initialisation and cleanup
2320		3853
2321	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2322	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2331	},
2332	);	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
2333	}	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 };
2334	}	3950	}
2335		3951
2336	sub emergency_save() {	3952	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2338		3954
2339	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;
2340		3961
2341	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2342	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3973	$pl->save;
2350	}	3974	}
2351	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2352		3976
2353	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";
2354	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	3982	$map->valid or next;
2357	$map->save;	3983	$map->save;
2358	}	3984	}
2359	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2360		3986
2361	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";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2363	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
2364	};	4015	};
2365		4016
2366	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2367	}	4018	}
2368		4019
2369	sub post_cleanup {	4020	sub post_cleanup {
2370	my ($make_core) = @_;	4021	my ($make_core) = @_;
2371		4022
		4023	IO::AIO::flush;
		4024
2372	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	4026	if $make_core;
2374	}
2375		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
2376	sub reload() {	4057	sub do_reload_perl() {
2377	# can/must only be called in main	4058	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2379	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2380	return;	4061	return;
2381	}	4062	}
2382		4063
2383	warn "reloading...";	4064	return if $RELOAD++;
2384		4065
2385	warn "entering sync_job";	4066	my $t1 = AE::time;
2386		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2387	cf::sync_job {	4074	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark
2389	cf::emergency_save;	4075	#cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark
2391		4076
2392	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;
2394
2395	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";
2409	}
2410
2411	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	4079	%EXT_CORO = ();
2414		4080
2415	warn "removing commands";	4081	trace "perl_reload: removing commands";
2416	%COMMAND = ();	4082	%COMMAND = ();
2417		4083
2418	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2419	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2420		4087
2421	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2424		4091
2425	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2426	eval {	4093	eval {
2427	$cb->($pkg);	4094	$cb->($pkg);
2428	1	4095	1
2429	} 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;
2430	}	4101	}
2431		4102
2432	warn "... nuking $pkg";
2433	Symbol::delete_package $pkg;
2434	}
2435
2436	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2437	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		4106
2440	warn "... unloading $k";	4107	trace "... unloading $k";
2441	delete $INC{$k};	4108	delete $INC{$k};
2442		4109
2443	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2445		4112
2446	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2447	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2448	}	4118	}
2449		4119
2450	Symbol::delete_package $k;
2451	}
2452
2453	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2455	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);
2456		4123
2457	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
		4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		4127
2460	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2461	# and global variables created in xs	4129	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2463		4131
2464	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2465		4133
2466	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2467	require cf;	4135	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2469		4137
2470	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2471	cf::cfg_load;	4139	cf::reload_config;
2472		4140
2473	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2474	cf::load_extensions;	4142	cf::load_extensions;
2475		4143
		4144	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2477	_global_reattach;	4146	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2479	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
		4149	trace "perl_reload: reattaching attachments to players";
		4150	reattach $_ for values %PLAYER;
		4151	}
2480		4152
2481	warn "loading reloadable resources";	4153	cf::_post_init 1;
2482	init_resources;
2483		4154
2484	warn "leaving sync_job";	4155	trace "perl_reload: leaving sync_job";
2485		4156
2486	1	4157	1
2487	} or do {	4158	} or do {
2488	warn $@;	4159	error $@;
2489	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2490	exit 1;	4161	};
		4162
		4163	--$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	};
2491	};	4183	};
2492		4184	}
2493	warn "reloaded";
2494	};
2495
2496	our $RELOAD_WATCHER; # used only during reload
2497		4185
2498	register_command "reload" => sub {	4186	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2500		4188
2501	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
2503		4191	async {
2504	# doing reload synchronously and two reloads happen back-to-back,	4192	$Coro::current->{desc} = "perl_reload";
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;	4193	reload_perl;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);	4194	};
2516	}	4195	}
2517	};	4196	};
2518		4197
2519	unshift @INC, $LIBDIR;	4198	#############################################################################
2520		4199
2521	my $bug_warning = 0;	4200	my $bug_warning = 0;
2522		4201
2523	$TICK_WATCHER = Event->timer (	4202	sub wait_for_tick() {
2524	reentrant => 0,	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2525	parked => 1,	4204
2526	prio => 0,	4205	$WAIT_FOR_TICK->wait;
2527	at => $NEXT_TICK || $TICK,	4206	}
2528	data => WF_AUTOCANCEL,	4207
2529	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	$signal->wait;
		4214	}
		4215
		4216	sub tick {
2530	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2533	return;	4220	return;
2534	}	4221	}
2535		4222
2536	$NOW = Event::time;	4223	cf::one_tick; # one server iteration
2537		4224
2538	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2539	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;
2541		4226
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2544	Coro::async_pool {	4229	Coro::async_pool {
		4230	$Coro::current->{desc} = "runtime saver";
2545	write_runtime	4231	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	4232	or error "ERROR: unable to write runtime file: $!";
2547	};
2548	}	4233	};
		4234	}
2549		4235
		4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4237	$sig->send;
		4238	}
2550	$WAIT_FOR_TICK->broadcast;	4239	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552		4240
2553	# my $AFTER = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
2554	# warn $AFTER - $NOW;#d#	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2555		4243
2556	# if we are delayed by four ticks or more, skip them all	4244	if (0) {
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4245	if ($NEXT_TICK) {
2558		4246	my $jitter = $TICK_START - $NEXT_TICK;
2559	$TICK_WATCHER->at ($NEXT_TICK);	4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2560	$TICK_WATCHER->start;	4248	debug "jitter $JITTER\n";#d#
		4249	}
2561	},	4250	}
2562	);	4251	}
2563		4252
2564	{	4253	{
2565	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2566	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2567	reentrant => 0,	4256
2568	fd => BDB::poll_fileno,
2569	poll => 'r',
2570	prio => 0,
2571	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,
2573	);
2574	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
2575		4258	BDB::max_poll_reqs $TICK * 0.1;
2576	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
2577	my $status;
2578	my $current = $Coro::current;
2579	(
2580	sub {
2581	$status = $!;
2582	$current->ready; undef $current;
2583	},
2584	sub {
2585	Coro::schedule while defined $current;
2586	$! = $status;
2587	},
2588	)
2589	};
2590		4260
2591	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
2592	$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);
2593		4268
2594	cf::sync_job {	4269	cf::sync_job {
2595	eval {	4270	eval {
2596	BDB::db_env_open	4271	BDB::db_env_open
2597	$DB_ENV,	4272	$DB_ENV,
2598	$BDB_ENV_DIR,	4273	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	4276	0666;
2602		4277
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	4279	};
2608		4280
2609	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	4282	};
2611	}	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";
2612	}	4296	}
2613		4297
2614	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
2615	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
2616
2617	undef $Coro::AIO::WATCHER;
2618	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
2619	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
2620	reentrant => 0,	4305	info "aio initialised";
2621	data => WF_AUTOCANCEL,
2622	fd => IO::AIO::poll_fileno,
2623	poll => 'r',
2624	prio => 6,
2625	cb => \&IO::AIO::poll_cb,
2626	);
2627	}	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;
2628		4358
2629	END { cf::emergency_save }	4359	END { cf::emergency_save }
2630		4360
2631	1	4361	1
2632		4362

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