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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.594 by root, Fri Nov 9 02:50:50 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 ();
		62	use IO::AIO ();
26	use Time::HiRes;	63	use Time::HiRes;
27	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
28		66
		67	AnyEvent::detect;
		68
		69	# configure various modules to our taste
		70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
		72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	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	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		79
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		82
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		84
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	85	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		86
40	our %COMMAND = ();	87	our %COMMAND = ();
41	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
42		89
43	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
47		97
		98	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	99	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
50		102
51	our $TICK = MAX_TIME * 1e-6;	103	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	104
53	our $AIO_POLL_WATCHER;	105	our $DATADIR = datadir;
		106	our $LIBDIR = "$DATADIR/ext";
		107	our $PODDIR = "$DATADIR/pod";
		108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
		110	our $LOCALDIR = localdir;
		111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		114	our $RANDOMDIR = "$LOCALDIR/random";
		115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
		126
		127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
56	our $NOW;	145	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		146
59	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	148	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	149	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		150
76	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		153
		154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
		157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
79	binmode STDOUT;	167	binmode STDOUT;
80	binmode STDERR;	168	binmode STDERR;
81		169
82	# read virtual server time, if available	170	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	172	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
87	}	175	}
88		176
89	mkdir cf::localdir;	177	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	178
91	mkdir cf::localdir . "/" . cf::tmpdir;	179	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		181
96	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
97		183
98	sub cf::map::normalise;	184	sub cf::map::normalise;
99		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
100	#############################################################################	190	#############################################################################
101		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
102	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
103		204
104	=over 4	205	=over 4
105		206
106	=item $cf::UPTIME	207	=item $cf::UPTIME
107		208
108	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
109		225
110	=item $cf::RUNTIME	226	=item $cf::RUNTIME
111		227
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	229	every server tick.
114		230
115	=item $cf::LIBDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		234
117	The perl library directory, where extensions and cf-specific modules can	235	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		237	unique-items directory, player file directory, random maps directory and
		238	database environment.
119		239
		240	=item $cf::LOADAVG
		241
		242	The current CPU load on the server (alpha-smoothed), as a value between 0
		243	(none) and 1 (overloaded), indicating how much time is spent on processing
		244	objects per tick. Healthy values are < 0.5.
		245
120	=item $cf::NOW	246	=item $cf::LOAD
121		247
122	The time of the last (current) server tick.	248	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		249
128	=item %cf::CFG	250	=item %cf::CFG
129		251
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	253	from wherever your confdir points to.
132		254
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		256
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
139		289
140	=back	290	=back
141		291
142	=cut	292	=cut
143		293
144	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	301	my $msg = join "", @_;
147	utf8::encode $msg;
148		302
149	$msg .= "\n"	303	$msg .= "\n"
150	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
151		305
		306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		307
152	LOG llevError, $msg;	308	LOG llevWarn, $msg;
153	};	309	};
154	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
155		324
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		332
163	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	334	# within the Safe compartment.
165	for my $pkg (qw(	335	for my $pkg (qw(
166	cf::global cf::attachable	336	cf::global cf::attachable
167	cf::object cf::object::player	337	cf::object cf::object::player
168	cf::client cf::player	338	cf::client cf::player
169	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
170	cf::map cf::party cf::region	341	cf::party cf::region
171	)) {	342	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	344	}
175		345
176	$Event::DIED = sub {	346	$EV::DIED = sub {
177	warn "error in event callback: @_";	347	warn "error in event callback: $@";
178	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
179		356
180	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
181		358
182	=over 4	359	=over 4
183		360
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	380	$d
204	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
205	}	382	}
206		383
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
208		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
209	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
210		437
211	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
212		439
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
221		441
222	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
223		443
224	=cut	444	=cut
225		445
226	sub to_json($) {	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	447
228	JSON::Syck::Dump $_[0]	448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
229	}	511	}
230		512
231	=item cf::lock_wait $string	513	=item cf::lock_wait $string
232		514
233	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
234		516
235	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
236		518
237	Wait until the given lock is available and then acquires it and returns	519	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,	520	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	521	for example when the coroutine gets canceled), the lock is automatically
240	returned.	522	returned.
241		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
242	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
244		529
245	=cut	530	=item $locked = cf::lock_active $string
246		531
247	our %LOCK;	532	Return true if the lock is currently active, i.e. somebody has locked it.
		533
		534	=cut
		535
		536	our $LOCKS = new Coro::SemaphoreSet;
248		537
249	sub lock_wait($) {	538	sub lock_wait($) {
250	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	540	}
258		541
259	sub lock_acquire($) {	542	sub lock_acquire($) {
260	my ($key) = @_;	543	$LOCKS->guard ($_[0])
		544	}
261		545
262	# wait, to be sure we are not locked	546	sub lock_active($) {
263	lock_wait $key;	547	$LOCKS->count ($_[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	}	548	}
272		549
273	sub freeze_mainloop {	550	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
275		552
276	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
278	};	623	}
279	$TICK_WATCHER->stop;	624	};
280	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
281	}	639	}
282		640
283	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
284		642
285	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		648
291	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
292		650
293	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
294		652
295	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
298		657
299	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
302	fast or be very important.	661	fast or be very important.
…		…
304	=cut	663	=cut
305		664
306	sub sync_job(&) {	665	sub sync_job(&) {
307	my ($job) = @_;	666	my ($job) = @_;
308		667
309	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
310	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
312		673
313	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	675
315	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
316		677
317	my $busy = 1;	678	my $busy = 1;
318	my @res;	679	my @res;
319		680
320	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	683	@res = eval { $job->() };
322	warn $@ if $@;	684	error $@ if $@;
323	undef $busy;	685	undef $busy;
324	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
325		687
326	while ($busy) {	688	while ($busy) {
327	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
328	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
329		699
330	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
331	} else {	701	} else {
332	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
333		703
…		…
353	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
354		724
355	$coro	725	$coro
356	}	726	}
357		727
358	sub write_runtime {	728	=item fork_call { }, @args
359	my $guard = cf::lock_acquire "write_runtime";
360		729
361	my $runtime = cf::localdir . "/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
362		734
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
364	or return;
365		736
366	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
367	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
368	# 60 allows for the watchdog to kill the server.	739	}
369		740
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
371	and return;	742	my ($cb, @args) = @_;
372		743
373	# always fsync - this file is important	744	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	745	# otherwise perl prematurely frees the stuff :/
375	and return;	746	# TODO: investigate and fix (likely this will be rather laborious)
376		747
377	close $fh	748	my @res = Coro::Util::fork_eval {
378	or return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
379		752
380	aio_rename "$runtime~", $runtime	753	wantarray ? @res : $res[-1]
381	and return;	754	}
382		755
		756	sub objinfo {
383	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = Time::HiRes::time;
		907	my $data = $process->(\@data);
		908	my $t2 = Time::HiRes::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
		920	}
		921
		922	=item cf::datalog type => key => value, ...
		923
		924	Log a datalog packet of the given type with the given key-value pairs.
		925
		926	=cut
		927
		928	sub datalog($@) {
		929	my ($type, %kv) = @_;
		930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	931	}
385		932
386	=back	933	=back
387		934
388	=cut	935	=cut
389		936
390	#############################################################################	937	#############################################################################
391		938
392	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
393		940
394	Many objects in crossfire are so-called attachable objects. That means you can	941	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")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
397		944
398	In the following description, CLASS can be any of C<global>, C<object>	945	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	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	947	Deliantra).
401		948
402	=over 4	949	=over 4
403		950
404	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
405		952
…		…
449	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
450		997
451	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
453		1000
454	Some classes such as crossfire maps and objects can specify attachments	1001	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.	1002	that are attached at load/instantiate time, thus the need for a name.
456		1003
457	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
458		1005
459	=over 4	1006	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
569		1116
570	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1121
575	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
577		1124
578	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
583		1130
584	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1133
587	} elsif (ref $type) {	1134	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
589		1136
590	} else {	1137	} else {
591	shift @arg;	1138	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
593	}	1140	}
594	}	1141	}
595	}	1142	}
596		1143
597	sub _object_attach {	1144	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
608	}	1155	}
609		1156
610	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
611	} else {	1158	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1160	}
614		1161
615	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
616	}	1163	}
617		1164
…		…
619	if (ref $_[0]) {	1166	if (ref $_[0]) {
620	_object_attach @_;	1167	_object_attach @_;
621	} else {	1168	} else {
622	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
623	}	1170	}
		1171	_recalc_want;
624	};	1172	};
625		1173
626	# all those should be optimised	1174	# all those should be optimised
627	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1180	reattach ($obj);
633	} else {	1181	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
635	}	1183	}
		1184	_recalc_want;
636	};	1185	};
637		1186
638	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
640		1189
…		…
655	";	1204	";
656	die if $@;	1205	die if $@;
657	}	1206	}
658		1207
659	our $override;	1208	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1210
662	sub override {	1211	sub override {
663	$override = 1;	1212	$override = 1;
664	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
665	}	1214	}
666		1215
667	sub do_invoke {	1216	sub do_invoke {
668	my $event = shift;	1217	my $event = shift;
669	my $callbacks = shift;	1218	my $callbacks = shift;
670		1219
671	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
672		1221
673	local $override;	1222	local $override;
674		1223
675	for (@$callbacks) {	1224	for (@$callbacks) {
676	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
677		1226
678	if ($@) {	1227	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1229	override;
682	}	1230	}
683		1231
684	return 1 if $override;	1232	return 1 if $override;
685	}	1233	}
686		1234
687	0	1235	0
688	}	1236	}
689		1237
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1239
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1241
694	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
695		1243
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	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	1245	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1247
700	=back	1248	=back
701		1249
702	=cut	1250	=cut
703		1251
704	#############################################################################	1252	#############################################################################
705	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
706		1296
707	sub reattach {	1297	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1299	my ($obj) = @_;
710		1300
		1301	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1303
713	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
714		1305
715	@$registry = ();	1306	@$registry = ();
716		1307
…		…
721	for (@$attach) {	1312	for (@$attach) {
722	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
724	}	1315	}
725	} else {	1316	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1318	}
728	}	1319	}
729	}	1320	}
730		1321
731	cf::attachable->attach (	1322	cf::attachable->attach (
732	prio => -1000000,	1323	prio => -1000000,
733	on_instantiate => sub {	1324	on_instantiate => sub {
734	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
735		1326
736	$data = from_json $data;	1327	$data = decode_json $data;
737		1328
738	for (@$data) {	1329	for (@$data) {
739	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
740		1331
741	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1348	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
759		1350
760	sync_job {	1351	sync_job {
761	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
764		1357
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
769	close $fh;	1365	aio_close $fh;
770		1366
771	if (@$objs) {	1367	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
777	close $fh;	1376	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
779	}	1378	}
780	} else {	1379	} else {
781	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
782	}	1381	}
783		1382
784	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1387	} else {
786	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
787	}	1389	}
788	} else {	1390	} else {
789	aio_unlink $filename;	1391	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
791	}	1393	}
792	}	1394	};
793	}	1395	}
794		1396
795	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
797		1399
…		…
809	or return;	1411	or return;
810		1412
811	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
813	or return;	1415	or return;
		1416
814	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
815	}	1419	}
816		1420
		1421	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
819	return ($data, $av);	1426	($data, $av)
820	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
821		1434
822	#############################################################################	1435	#############################################################################
823	# command handling &c	1436	# command handling &c
824		1437
825	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
826		1439
827	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
828	$name.	1441	$name.
829		1442
830	=cut	1443	=cut
…		…
836	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
837		1450
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1452	}
840		1453
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
842		1455
843	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
844		1461
845	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
846	called.
847		1463
848	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
849		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
850	sub register_extcmd {	1486	sub register_extcmd($$) {
851	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
852		1488
853	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
854	}	1490	}
855		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
856	cf::player->attach (	1512	cf::player->attach (
857	on_command => sub {	1513	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
859		1515
860	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
861	or return;	1517	or return;
862		1518
…		…
867	cf::override;	1523	cf::override;
868	},	1524	},
869	on_extcmd => sub {	1525	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
871		1527
872	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1529
874	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
877	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
878	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
879	}	1551	}
		1552
880	} else {	1553	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1555	}
883		1556
884	cf::override;	1557	cf::override;
885	},	1558	},
886	);	1559	);
887		1560
		1561	# "readahead" all extensions
888	sub load_extension {	1562	sub cache_extensions {
889	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
890		1564
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1567	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	}	1568	}
916	die $@;
917	}	1569	};
918		1570
919	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
920	}	1583	}
921		1584
922	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
923	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1594	next unless -r $path;
925	eval {	1595
926	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
927	1	1668	}
928	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
929	}	1681	};
930	}	1682	}
931		1683
932	#############################################################################	1684	#############################################################################
933		1685
		1686	=back
		1687
934	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
935		1689
936	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
937		1691
938	=cut	1692	=cut
939		1693
940	package cf::player;	1694	package cf::player;
941		1695
…		…
943		1697
944	=head3 cf::player	1698	=head3 cf::player
945		1699
946	=over 4	1700	=over 4
947		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
		1715
948	=item cf::player::find $login	1716	=item cf::player::find $login
949		1717
950	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
951		1719
952	=cut	1720	=cut
953		1721
954	sub playerdir($) {	1722	sub playerdir($) {
955	cf::localdir	1723	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1724	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1725	}
961		1726
962	sub path($) {	1727	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1728	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1729
965	(playerdir $login) . "/$login.pl"	1730	(playerdir $login) . "/playerdata"
966	}	1731	}
967		1732
968	sub find_active($) {	1733	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1734	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1735	and $cf::PLAYER{$_[0]}->active
…		…
973		1738
974	sub exists($) {	1739	sub exists($) {
975	my ($login) = @_;	1740	my ($login) = @_;
976		1741
977	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
979	}	1744	}
980		1745
981	sub find($) {	1746	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1748	my $login = $_[0];
984		1749
985	my $guard = cf::lock_acquire "user_find:$login";	1750	my $guard = cf::lock_acquire "user_find:$login";
986		1751
987	$cf::PLAYER{$_[0]} || do {	1752	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1753	# rename old playerfiles to new ones
		1754	#TODO: remove when no longer required
		1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1758	aio_unlink +(playerdir $login) . "/$login.pl";
		1759
		1760	my $f = new_from_file cf::object::thawer path $login
989	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
991	}	1769	}
992	}	1770	}
993	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
994		1785
995	sub save($) {	1786	sub save($) {
996	my ($pl) = @_;	1787	my ($pl) = @_;
997		1788
998	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1004		1795
1005	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1007		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1008	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1009	Coro::cede;	1805	cf::cede_to_tick;
1010	}	1806	}
1011		1807
1012	sub new($) {	1808	sub new($) {
1013	my ($login) = @_;	1809	my ($login) = @_;
1014		1810
…		…
1020	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1021		1817
1022	$self	1818	$self
1023	}	1819	}
1024		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1025	=item $pl->quit_character	1831	=item $pl->quit_character
1026		1832
1027	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1029		1835
…		…
1033	my ($pl) = @_;	1839	my ($pl) = @_;
1034		1840
1035	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1036		1842
1037	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1845
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1041	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1043	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1044		1854
1045	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1047	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1076	while and may block, so not sync_job-capable, ever.	1886	while and may block, so not sync_job-capable, ever.
1077		1887
1078	=cut	1888	=cut
1079		1889
1080	sub list_logins {	1890	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1891	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1892	or return [];
1083		1893
1084	my @logins;	1894	my @logins;
1085		1895
1086	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1090		1906
1091	utf8::decode $login;	1907	utf8::decode $login;
1092	push @logins, $login;	1908	push @logins, $login;
1093	}	1909	}
1094		1910
1095	\@logins	1911	\@logins
1096	}	1912	}
1097		1913
1098	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1099		1917
1100	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1101	player. May block.	1919	player. May block.
1102		1920
1103	=cut	1921	=cut
…		…
1121	}	1939	}
1122		1940
1123	\@paths	1941	\@paths
1124	}	1942	}
1125		1943
		1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1945
		1946	Expand deliantra pod fragments into protocol xml.
		1947
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1948	=item $player->ext_msg ($type, @msg)
1127		1949
1128	Sends an ext reply to the player.	1950	Sends an ext event to the client.
1129		1951
1130	=cut	1952	=cut
1131		1953
1132	sub ext_reply($$$%) {	1954	sub ext_msg($$@) {
1133	my ($self, $id, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1134		1956
1135	$msg{msgid} = $id;	1957	$self->ns->ext_msg ($type, @msg);
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1958	}
1139		1959
1140	package cf;	1960	=head3 cf::region
		1961
		1962	=over 4
		1963
		1964	=cut
		1965
		1966	package cf::region;
		1967
		1968	=item cf::region::find_by_path $path
		1969
		1970	Tries to decuce the likely region for a map knowing only its path.
		1971
		1972	=cut
		1973
		1974	sub find_by_path($) {
		1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
		1979	my ($match, $specificity);
		1980
		1981	for my $region (list) {
		1982	if ($region->{match} && $path =~ $region->{match}) {
		1983	($match, $specificity) = ($region, $region->specificity)
		1984	if $region->specificity > $specificity;
		1985	}
		1986	}
		1987
		1988	$match
		1989	}
1141		1990
1142	=back	1991	=back
1143
1144		1992
1145	=head3 cf::map	1993	=head3 cf::map
1146		1994
1147	=over 4	1995	=over 4
1148		1996
…		…
1160	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1162		2010
1163	sub generate_random_map {	2011	sub generate_random_map {
1164	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1165	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1166	$self->_create_random_map (	2016	$self->_create_random_map ($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}), $rmp->{custom}
1178	)
1179	}	2017	}
1180		2018
1181	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1182		2020
1183	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1188		2026
1189	sub register {	2027	sub register {
1190	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1191	my $pkg = caller;	2029	my $pkg = caller;
1192		2030
1193	no strict;
1194	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1195		2032
1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197	}	2034	}
1198		2035
1199	# also paths starting with '/'	2036	# also paths starting with '/'
1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1201		2038
1202	sub thawer_merge {	2039	sub thawer_merge {
1203	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1204		2041
1205	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1206	local $self->{path};	2043	local $self->{path};
1207	local $self->{load_path};	2044	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		2045
1211	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1212	}	2047	}
1213		2048
1214	sub normalise {	2049	sub normalise {
1215	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1216		2051
1217	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1218		2053
1219	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1220		2055
1221	# map plan:	2056	# map plan:
1222	#	2057	#
…		…
1237	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1238	$path = "$base/$path";	2073	$path = "$base/$path";
1239	}	2074	}
1240		2075
1241	for ($path) {	2076	for ($path) {
1242	redo if s{//}{/};
1243	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1244	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1245	}	2079	}
1246		2080
1247	$path	2081	$path
…		…
1261	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1262	return $self;	2096	return $self;
1263	}	2097	}
1264	}	2098	}
1265		2099
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1267	()	2101	()
1268	}	2102	}
1269		2103
		2104	# may re-bless or do other evil things
1270	sub init {	2105	sub init {
1271	my ($self) = @_;	2106	my ($self) = @_;
1272		2107
1273	$self	2108	$self
1274	}	2109	}
…		…
1286		2121
1287	# the original (read-only) location	2122	# the original (read-only) location
1288	sub load_path {	2123	sub load_path {
1289	my ($self) = @_;	2124	my ($self) = @_;
1290		2125
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2126	"$MAPDIR/$self->{path}.map"
1292	}	2127	}
1293		2128
1294	# the temporary/swap location	2129	# the temporary/swap location
1295	sub save_path {	2130	sub save_path {
1296	my ($self) = @_;	2131	my ($self) = @_;
1297		2132
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2134	"$TMPDIR/$path.map"
1300	}	2135	}
1301		2136
1302	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1303	sub uniq_path {	2138	sub uniq_path {
1304	my ($self) = @_;	2139	my ($self) = @_;
1305		2140
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2142	"$UNIQUEDIR/$path"
1308	}	2143	}
1309		2144
1310	# and all this just because we cannot iterate over	2145	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	2146	my ($self) = @_;
1314		2147
1315	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1317	}	2151	}
1318		2152
1319	sub unlink_save {	2153	sub unlink_save {
1320	my ($self) = @_;	2154	my ($self) = @_;
1321		2155
…		…
1326		2160
1327	sub load_header_from($) {	2161	sub load_header_from($) {
1328	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1329		2163
1330	utf8::encode $path;	2164	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	2166	or return;
1336		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1337	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1338		2175
1339	1	2176	1
1340	}	2177	}
1341		2178
		2179	# used to laod the header of an original map
1342	sub load_header_orig {	2180	sub load_header_orig {
1343	my ($self) = @_;	2181	my ($self) = @_;
1344		2182
1345	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1346	}	2184	}
1347		2185
		2186	# used to laod the header of an instantiated map
1348	sub load_header_temp {	2187	sub load_header_temp {
1349	my ($self) = @_;	2188	my ($self) = @_;
1350		2189
1351	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1352	}	2191	}
1353		2192
		2193	# called after loading the header from an instantiated map
1354	sub prepare_temp {	2194	sub prepare_temp {
1355	my ($self) = @_;	2195	my ($self) = @_;
1356		2196
1357	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1358	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1359	# safety	2199	# safety
1360	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1361	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1362	}	2202	}
1363		2203
		2204	# called after loading the header from an original map
1364	sub prepare_orig {	2205	sub prepare_orig {
1365	my ($self) = @_;	2206	my ($self) = @_;
1366		2207
1367	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1368	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1379	$self->load_header_orig	2220	$self->load_header_orig
1380	or return;	2221	or return;
1381	$self->prepare_orig;	2222	$self->prepare_orig;
1382	}	2223	}
1383		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
		2228	$self->default_region (cf::region::find_by_path $self->{path})
		2229	unless $self->default_region;
		2230
1384	1	2231	1
1385	}	2232	}
1386		2233
1387	sub find;	2234	sub find;
1388	sub find {	2235	sub find {
1389	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1390		2237
		2238	cf::cede_to_tick;
		2239
1391	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1392		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2244
1395	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1398	or return;	2247	or return;
1399		2248
1400	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1401		2250
1402	$map->load_header	2251	$map->load_header
1403	or return;	2252	or return;
1404		2253
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1408	$map->reset;	2259	$map->reset;
1409	undef $guard;
1410	return find $path;	2260	return find $path;
1411	}	2261	}
1412		2262
1413	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1414	}	2264	}
1415	}	2265	}
1416		2266
1417	sub pre_load { }	2267	sub pre_load { }
1418	sub post_load { }	2268	#sub post_load { } # XS
1419		2269
1420	sub load {	2270	sub load {
1421	my ($self) = @_;	2271	my ($self) = @_;
1422		2272
1423	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1424		2274
1425	my $path = $self->{path};	2275	my $path = $self->{path};
		2276
		2277	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1427		2279
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->valid;
		2281	return unless $self->state == cf::MAP_SWAPPED;
1429		2282
1430	$self->in_memory (cf::MAP_LOADING);
1431
1432	$self->alloc;	2283	$self->alloc;
1433		2284
1434	$self->pre_load;	2285	$self->pre_load;
		2286	cf::cede_to_tick;
1435		2287
1436	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1437	or return;	2292	or return;
1438		2293
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1440	if delete $self->{load_original};	2295	if delete $self->{load_original};
1441		2296
1442	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2298	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2301	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1447	}	2306	}
1448	}
1449		2307
1450	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
1451		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1452	# now do the right thing for maps	2317	# now do the right thing for maps
1453	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1454
1455	unless ($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)	2319	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2320	unless $self->difficulty;
1463	Coro::cede;	2321	cf::cede_to_tick;
1464	$self->activate;	2322
		2323	unless ($self->{deny_activate}) {
		2324	$self->decay_objects;
		2325	$self->fix_auto_apply;
		2326	$self->update_buttons;
		2327	cf::cede_to_tick;
		2328	#$self->activate; # no longer activate maps automatically
		2329	}
		2330
		2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1465	}	2333	}
1466		2334
1467	$self->post_load;	2335	$self->post_load;
1468		2336
1469	$self->in_memory (cf::MAP_IN_MEMORY);	2337	1
1470	}	2338	}
1471		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1472	sub customise_for {	2343	sub customise_for {
1473	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1474		2345
1475	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2347	if $self->per_player;
1477		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1478	$self	2352	$self
1479	}
1480
1481	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {
1483	my ($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	$neigh->load;
1502	}
1503	}	2353	}
1504		2354
1505	sub find_sync {	2355	sub find_sync {
1506	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1507		2357
1508	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1509	}	2363	}
1510		2364
1511	sub do_load_sync {	2365	sub do_load_sync {
1512	my ($map) = @_;	2366	my ($map) = @_;
1513		2367
1514	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1515	}	2373	}
1516		2374
1517	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1519		2377
1520	sub find_async {	2378	sub find_async {
1521	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1522		2380
1523	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1524		2382
1525	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1527	}	2385	}
1528		2386
1529	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1530	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1531	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2394	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2395	$map->load if $v;
		2396	}
1536		2397
1537	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1538	}	2399	}
1539	}	2400	}
1540	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1541	};	2402	};
1542	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1543		2404
1544	()	2405	()
1545	}	2406	}
1546		2407
		2408	# common code, used by both ->save and ->swapout
1547	sub save {	2409	sub _save {
1548	my ($self) = @_;	2410	my ($self) = @_;
1549
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1551		2411
1552	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1553		2413
1554	return unless $self->dirty;	2414	return unless $self->dirty;
1555		2415
…		…
1561	return if $self->{deny_save};	2421	return if $self->{deny_save};
1562		2422
1563	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1564		2424
1565	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1567	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1568		2431
1569	if ($uniq) {	2432	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2435	} else {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1574	}	2437	}
1575	}	2438	}
1576		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1577	sub swap_out {	2448	sub swap_out {
1578	my ($self) = @_;	2449	my ($self) = @_;
1579		2450
1580	# save first because save cedes
1581	$self->save;
1582
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1585	return if $self->players;	2455	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};
1588		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1589	$self->clear;	2466	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2467	}
1592		2468
1593	sub reset_at {	2469	sub reset_at {
1594	my ($self) = @_;	2470	my ($self) = @_;
1595		2471
1596	# TODO: safety, remove and allow resettable per-player maps	2472	# 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};	2473	return 1e99 if $self->{deny_reset};
1599		2474
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2477
…		…
1613	my ($self) = @_;	2488	my ($self) = @_;
1614		2489
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2491
1617	return if $self->players;	2492	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2493
1620	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1621		2495
1622	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1623		2497
1624	# need to save uniques path	2498	# need to save uniques path
1625	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1626	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1627		2501
…		…
1629	if $uniq;	2503	if $uniq;
1630	}	2504	}
1631		2505
1632	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1633		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2510	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2511
1638	$self->unlink_save;	2512	$self->unlink_save;
1639	$self->destroy;	2513	$self->destroy;
1640	}	2514	}
1641		2515
1642	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1643		2517
1644	sub nuke {	2518	sub nuke {
1645	my ($self) = @_;	2519	my ($self) = @_;
1646		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1647	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1648		2525
1649	$self->unlink_save;	2526	$self->unlink_save;
1650		2527
1651	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1652	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2533
1657	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1658		2536
1659	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1660	}	2574	}
1661		2575
1662	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1663		2577
1664	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2579	instantiated unique items. May block.
1666		2580
1667	=cut	2581	=cut
1668		2582
1669	sub unique_maps() {	2583	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2584	[
1671	or return;	2585	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2586	utf8::decode $_;
1677	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2589	? ()
1680	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2592	]
1682
1683	\@paths
1684	}	2593	}
1685		2594
1686	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1687		2626
1688	=back	2627	=back
1689		2628
1690	=head3 cf::object	2629	=head3 cf::object
1691		2630
…		…
1695		2634
1696	=over 4	2635	=over 4
1697		2636
1698	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1699		2638
1700	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1701		2641
1702	=cut	2642	=cut
1703		2643
1704	sub inv_recursive_;	2644	sub inv_recursive_;
1705	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1708		2648
1709	sub inv_recursive {	2649	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1711	}	2651	}
1712		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1713	package cf;	2681	package cf;
1714		2682
1715	=back	2683	=back
1716		2684
1717	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	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	2692	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1726		2694
1727	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1728		2710
1729	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2712	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1734		2716
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2718
1737	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1739	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1742	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1743	}	2744	}
1744		2745
1745	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1746		2747
1747	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1760		2761
1761	=item $player_object->enter_link	2762	=item $player_object->enter_link
1762		2763
1763	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1764		2765
1765	The player should be reasonably safe there for short amounts of time. You	2766	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.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1767		2770
1768	Will never block.	2771	Will never block.
1769		2772
1770	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1771		2774
…		…
1791	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1792	my ($self) = @_;	2795	my ($self) = @_;
1793		2796
1794	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1795		2798
		2799	++$self->{_link_recursion};
		2800
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2802
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1800		2805
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1802	}	2807	}
1803		2808
1804	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1806		2813
1807	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1808		2815
1809	unless ($map) {	2816	unless ($map) {
1810	# restore original map position	2817	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1823		2830
1824	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1827		2834
1828	$map->load;	2835	$map->load;
1829	$map->load_diag;
1830		2836
1831	return unless $self->contr->active;	2837	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2838
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1836	}	2841	# entering was successful
1837		2842	delete $self->{_link_recursion};
1838	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2844	$self->activate_recursive;
1840	my ($pl) = @_;
1841
1842	# abort map switching before logout
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},	2845	}
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2846
1852	# try to abort aborted map switching on player login :)	2847	}
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		2848
1870	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1871		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1872	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1873		2863
1874	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2875
1877	$self->enter_link;	2876	$self->enter_link;
1878		2877
1879	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1880	my $map = eval {	2900	my $map = eval {
1881	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1883	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2916	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1888	})->prio (1);	2924	})->prio (1);
1889	}	2925	}
1890		2926
1891	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1892		2928
…		…
1912	}	2948	}
1913		2949
1914	sub prepare_random_map {	2950	sub prepare_random_map {
1915	my ($exit) = @_;	2951	my ($exit) = @_;
1916		2952
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2955	# that depends on the exit object
1922		2956
1923	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2959	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
1930	}	2966	}
1931		2967
1932	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
1933		2969
1934	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
1937		2973
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2976	undef $fh;
1941	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
1942		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
1945	}	2985	}
1946	}	2986	}
1947		2987
1948	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
1950		2990
1951	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
1952		2992
1953	if ($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;	2993	$self->enter_link;
1963		2994
1964	(async {	2995	(async {
1965	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
1966	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
1967	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
1968		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
1969	1;	3034	1
1970	}) {	3035	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
1975		3040
1976	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
1977	$self->leave_link;	3042	$self->leave_link;
1978	}	3043	}
1979	})->prio (1);	3044	})->prio (1);
1980	}	3045	}
1981		3046
…		…
1992		3057
1993	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
1995		3060
1996	utf8::encode $text;	3061	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	3063	}
1999		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
		3252	=item $client->ext_msg ($type, @msg)
		3253
		3254	Sends an ext event to the client.
		3255
		3256	=cut
		3257
		3258	sub cf::client::ext_msg($$@) {
		3259	my ($self, $type, @msg) = @_;
		3260
		3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3262	}
2000		3263
2001	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2002		3265
2003	Queues a query to the client, calling the given callback with	3266	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>,	3267	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>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		3269
2007	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	3271	become reliable at some point in the future.
2009		3272
2010	=cut	3273	=cut
2011		3274
2012	sub cf::client::query {	3275	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3284	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3286
2024	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2026	}	3291	}
2027		3292
2028	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2029	on_reply => sub {	3299	on_reply => sub {
2030	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2031		3301
2032	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2033	# get handled first	3303	# get handled first
…		…
2045	} else {	3315	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3317	}
2048	}	3318	}
2049	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2050	);	3353	);
2051		3354
2052	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2053		3356
2054	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		3373
2071	$coro	3374	$coro
2072	}	3375	}
2073		3376
2074	cf::client->attach (	3377	cf::client->attach (
2075	on_destroy => sub {	3378	on_client_destroy => sub {
2076	my ($ns) = @_;	3379	my ($ns) = @_;
2077		3380
2078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2079	},	3382	},
2080	);	3383	);
…		…
2095	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2097		3400
2098	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2099		3402
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2101		3408
2102	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2103		3410
2104	=pod	3411	=pod
2105		3412
2106	The following fucntions and emthods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2107		3414
2108	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2109	cf::object::player player	3420	cf::object::player
2110	cf::player peaceful	3421	player
2111	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2112		3428
2113	=cut	3429	=cut
2114		3430
2115	for (	3431	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2117	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2120	) {	3438	) {
2121	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2124	for @funs;	3441	for @funs;
2125	}	3442	}
2126		3443
…		…
2141		3458
2142	my $qcode = $code;	3459	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2145		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2146	local $_;	3466	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3467
2149	my $eval =	3468	my $eval =
2150	"do {\n"	3469	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3472	. $code
2154	. "\n}"	3473	. "\n}"
2155	;	3474	;
2156		3475
		3476	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2160		3485
2161	if ($@) {	3486	if ($@) {
2162	warn "$@";	3487	warn "$@",
2163	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2164	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2165	}	3490	}
2166		3491
2167	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2168	}	3493	}
2169		3494
…		…
2183	=cut	3508	=cut
2184		3509
2185	sub register_script_function {	3510	sub register_script_function {
2186	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2187		3512
2188	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2190	}	3515	}
2191		3516
2192	=back	3517	=back
2193		3518
2194	=cut	3519	=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 $_[2], 0, sub { };
2266	}
2267		3520
2268	#############################################################################	3521	#############################################################################
2269	# the server's init and main functions	3522	# the server's init and main functions
2270		3523
2271	sub init_resources {	3524	our %FACEHASH; # hash => idx, #d# HACK for http server
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3525
		3526	# internal api, not fianlised
		3527	sub add_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
		3548	sub load_facedata($) {
		3549	my ($path) = @_;
		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
		3557	trace "loading facedata from $path\n";
		3558
		3559	my $facedata = decode_storable load_file $path;
		3560
		3561	$facedata->{version} == 2
		3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3563
		3564	cf::cede_to_tick;
		3565
		3566	{
		3567	my $faces = $facedata->{faceinfo};
		3568
		3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
		3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
		3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
		3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
		3581	}
		3582
		3583	while (my ($face, $info) = each %$faces) {
		3584	next unless $info->{smooth};
		3585
		3586	my $idx = cf::face::find $face
		3587	or next;
		3588
		3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
		3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3592	} else {
		3593	error "smooth face '$info->{smooth}' not found for face '$face'";
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	{
		3601	my $anims = $facedata->{animinfo};
		3602
		3603	while (my ($anim, $info) = each %$anims) {
		3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3605	cf::cede_to_tick;
		3606	}
		3607
		3608	cf::anim::invalidate_all; # d'oh
		3609	}
		3610
		3611	{
		3612	my $res = $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
		3633	1
		3634	}
		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	add_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
		3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
		3672	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3673	or die "unable to load regions file\n";
2274	}
2275		3674
2276	sub cfg_load {	3675	for (cf::region::list) {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3676	$_->{match} = qr/$_->{match}/
2278	or return;	3677	if exists $_->{match};
		3678	}
		3679	}
2279		3680
2280	local $/;	3681	sub reload_facedata {
2281	*CFG = YAML::Syck::Load <$fh>;	3682	load_facedata "$DATADIR/facedata"
		3683	or die "unable to load facedata\n";
		3684	}
2282		3685
		3686	sub reload_archetypes {
		3687	load_resource_file "$DATADIR/archetypes"
		3688	or die "unable to load archetypes\n";
		3689
		3690	add_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	add_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
		3698	}
		3699
		3700	sub reload_treasures {
		3701	load_resource_file "$DATADIR/treasures"
		3702	or die "unable to load treasurelists\n";
		3703	}
		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
		3725	#d# move docstuff to help or so
		3726	our %DOCSTRING;
		3727
		3728	sub reload_pod {
		3729	trace "loading pods $PODDIR\n";
		3730
		3731	%DOCSTRING = ();
		3732	my @command_list;
		3733
		3734	for (
		3735	[0, "command_help"],
		3736	[1, "emote_help"],
		3737	[2, "dmcommand_help"],
		3738	) {
		3739	my ($type, $path) = @$_;
		3740
		3741	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3742	or die "unable to load $path";
		3743
		3744	my $level = 1e9;
		3745	my $rpar;
		3746
		3747	for my $par (@$paragraphs) {
		3748	if ($par->{type} eq "head2") {
		3749	# this code taken almost verbatim from DC/Protocol.pm
		3750
		3751	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3752	my $cmd = $1;
		3753	my @args = split /\|/, $2;
		3754	@args = (".*") unless @args;
		3755
		3756	$_ = $_ eq ".*" ? "" : " $_"
		3757	for @args;
		3758
		3759	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3760
		3761	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3762
		3763	push @command_list, [$type, \@variants];
		3764	$level = $par->{level};
		3765	} else {
		3766	error "$par->{markup}: unparsable command heading";
		3767	}
		3768	} elsif ($par->{level} > $level) {
		3769	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3770	}
		3771
		3772	cf::cede_to_tick;
		3773	}
		3774	}
		3775
		3776	@command_list = sort {
		3777	$a->[0] <=> $b->[0]
		3778	or $a->[1] cmp $b->[1]
		3779	} @command_list;
		3780
		3781	cf::cede_to_tick;
		3782
		3783	add_face "res/command_list" => FT_RSRC,
		3784	JSON::XS->new->utf8->encode (\@command_list);
		3785	}
		3786
		3787	sub reload_resources {
		3788	trace "reloading resource files...\n";
		3789
		3790	reload_materials;
		3791	reload_facedata;
		3792	reload_exp_table;
		3793	reload_sound;
		3794	reload_archetypes;
		3795	reload_regions;
		3796	reload_treasures;
		3797	reload_pod;
		3798
		3799	trace "finished reloading resource files\n";
		3800	}
		3801
		3802	sub reload_config {
		3803	trace "reloading config file...\n";
		3804
		3805	my $config = load_file "$CONFDIR/config";
		3806	utf8::decode $config;
		3807	*CFG = decode_yaml $config;
		3808
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3809	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3810
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3811	$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};	3812	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3813
2288	if (exists $CFG{mlockall}) {	3814	if (exists $CFG{mlockall}) {
…		…
2292	};	3818	};
2293	warn $@ if $@;	3819	warn $@ if $@;
2294	}	3820	}
2295	}	3821	}
2296		3822
2297	sub init {	3823	sub pidfile() {
2298	init_resources;	3824	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3825	or die "$PIDFILE: $!";
		3826	flock $fh, &Fcntl::LOCK_EX
		3827	or die "$PIDFILE: flock: $!";
		3828	$fh
		3829	}
		3830
		3831	# make sure only one server instance is running at any one time
		3832	sub atomic {
		3833	my $fh = pidfile;
		3834
		3835	my $pid = <$fh>;
		3836	kill 9, $pid if $pid > 0;
		3837
		3838	seek $fh, 0, 0;
		3839	print $fh $$;
		3840	}
		3841
		3842	sub main_loop {
		3843	trace "EV::loop starting\n";
		3844	if (1) {
		3845	EV::loop;
		3846	}
		3847	trace "EV::loop returned\n";
		3848	goto &main_loop unless $REALLY_UNLOOP;
2299	}	3849	}
2300		3850
2301	sub main {	3851	sub main {
		3852	cf::init_globals; # initialise logging
		3853
		3854	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3855	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3856	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3857	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3858
		3859	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3860
2302	# we must not ever block the main coroutine	3861	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3862	$Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3863	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3864	(async {
2306	Event::one_event;	3865	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3866	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3867	})->prio (Coro::PRIO_MAX);
2308	};	3868	};
2309		3869
2310	cfg_load;	3870	evthread_start IO::AIO::poll_fileno;
		3871
		3872	cf::sync_job {
		3873	cf::incloader::init ();
		3874
2311	db_init;	3875	db_init;
		3876
		3877	cf::init_anim;
		3878	cf::init_attackmess;
		3879	cf::init_dynamic;
		3880
		3881	cf::load_settings;
		3882
		3883	reload_resources;
		3884	reload_config;
		3885
		3886	cf::init_uuid;
		3887	cf::init_signals;
		3888	cf::init_skills;
		3889
		3890	cf::init_beforeplay;
		3891
		3892	atomic;
		3893
2312	load_extensions;	3894	load_extensions;
2313		3895
2314	$TICK_WATCHER->start;	3896	utime time, time, $RUNTIMEFILE;
2315	Event::loop;	3897
		3898	# no (long-running) fork's whatsoever before this point(!)
		3899	use POSIX ();
		3900	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3901
		3902	cf::_post_init 0;
		3903	};
		3904
		3905	cf::object::thawer::errors_are_fatal 0;
		3906	info "parse errors in files are no longer fatal from this point on.\n";
		3907
		3908	AE::postpone {
		3909	undef &main; # free gobs of memory :)
		3910	};
		3911
		3912	goto &main_loop;
2316	}	3913	}
2317		3914
2318	#############################################################################	3915	#############################################################################
2319	# initialisation and cleanup	3916	# initialisation and cleanup
2320		3917
2321	# install some emergency cleanup handlers	3918	# install some emergency cleanup handlers
2322	BEGIN {	3919	BEGIN {
		3920	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3921	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3922	$SIGWATCHER{$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";	3923	cf::cleanup "SIG$signal";
2331	},
2332	);	3924	};
		3925	}
		3926	}
		3927
		3928	sub write_runtime_sync {
		3929	my $t0 = AE::time;
		3930
		3931	# first touch the runtime file to show we are still running:
		3932	# the fsync below can take a very very long time.
		3933
		3934	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3935
		3936	my $guard = cf::lock_acquire "write_runtime";
		3937
		3938	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3939	or return;
		3940
		3941	my $value = $cf::RUNTIME + 90 + 10;
		3942	# 10 is the runtime save interval, for a monotonic clock
		3943	# 60 allows for the watchdog to kill the server.
		3944
		3945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3946	and return;
		3947
		3948	# always fsync - this file is important
		3949	aio_fsync $fh
		3950	and return;
		3951
		3952	# touch it again to show we are up-to-date
		3953	aio_utime $fh, undef, undef;
		3954
		3955	close $fh
		3956	or return;
		3957
		3958	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3959	and return;
		3960
		3961	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3962
2333	}	3963	1
		3964	}
		3965
		3966	our $uuid_lock;
		3967	our $uuid_skip;
		3968
		3969	sub write_uuid_sync($) {
		3970	$uuid_skip ||= $_[0];
		3971
		3972	return if $uuid_lock;
		3973	local $uuid_lock = 1;
		3974
		3975	my $uuid = "$LOCALDIR/uuid";
		3976
		3977	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3978	or return;
		3979
		3980	my $value = uuid_seq uuid_cur;
		3981
		3982	unless ($value) {
		3983	info "cowardly refusing to write zero uuid value!\n";
		3984	return;
		3985	}
		3986
		3987	my $value = uuid_str $value + $uuid_skip;
		3988	$uuid_skip = 0;
		3989
		3990	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3991	and return;
		3992
		3993	# always fsync - this file is important
		3994	aio_fsync $fh
		3995	and return;
		3996
		3997	close $fh
		3998	or return;
		3999
		4000	aio_rename "$uuid~", $uuid
		4001	and return;
		4002
		4003	trace "uuid file written ($value).\n";
		4004
		4005	1
		4006
		4007	}
		4008
		4009	sub write_uuid($$) {
		4010	my ($skip, $sync) = @_;
		4011
		4012	$sync ? write_uuid_sync $skip
		4013	: async { write_uuid_sync $skip };
2334	}	4014	}
2335		4015
2336	sub emergency_save() {	4016	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	4017	my $freeze_guard = cf::freeze_mainloop;
2338		4018
2339	warn "enter emergency perl save\n";	4019	info "emergency_perl_save: enter\n";
		4020
		4021	# this is a trade-off: we want to be very quick here, so
		4022	# save all maps without fsync, and later call a global sync
		4023	# (which in turn might be very very slow)
		4024	local $USE_FSYNC = 0;
2340		4025
2341	cf::sync_job {	4026	cf::sync_job {
		4027	cf::write_runtime_sync; # external watchdog should not bark
		4028
2342	# use a peculiar iteration method to avoid tripping on perl	4029	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	4030	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	4031	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	4032	info "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	4033	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	4034	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	4035	$pl->valid or next;
		4036	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	4037	$pl->save;
2350	}	4038	}
2351	warn "end emergency player save\n";	4039	info "emergency_perl_save: end player save\n";
2352		4040
2353	warn "begin emergency map save\n";	4041	cf::write_runtime_sync; # external watchdog should not bark
		4042
		4043	info "emergency_perl_save: begin map save\n";
2354	for my $path (keys %cf::MAP) {	4044	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	4045	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	4046	$map->valid or next;
2357	$map->save;	4047	$map->save;
2358	}	4048	}
2359	warn "end emergency map save\n";	4049	info "emergency_perl_save: end map save\n";
2360		4050
2361	warn "begin emergency database checkpoint\n";	4051	cf::write_runtime_sync; # external watchdog should not bark
		4052
		4053	info "emergency_perl_save: begin database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	4054	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	4055	info "emergency_perl_save: end database checkpoint\n";
		4056
		4057	info "emergency_perl_save: begin write uuid\n";
		4058	write_uuid_sync 1;
		4059	info "emergency_perl_save: end write uuid\n";
		4060
		4061	cf::write_runtime_sync; # external watchdog should not bark
		4062
		4063	trace "emergency_perl_save: syncing database to disk";
		4064	BDB::db_env_txn_checkpoint $DB_ENV;
		4065
		4066	info "emergency_perl_save: starting sync\n";
		4067	IO::AIO::aio_sync sub {
		4068	info "emergency_perl_save: finished sync\n";
		4069	};
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
		4072
		4073	trace "emergency_perl_save: flushing outstanding aio requests";
		4074	while (IO::AIO::nreqs || BDB::nreqs) {
		4075	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4076	}
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
2364	};	4079	};
2365		4080
2366	warn "leave emergency perl save\n";	4081	info "emergency_perl_save: leave\n";
2367	}	4082	}
2368		4083
2369	sub post_cleanup {	4084	sub post_cleanup {
2370	my ($make_core) = @_;	4085	my ($make_core) = @_;
2371		4086
		4087	IO::AIO::flush;
		4088
2372	warn Carp::longmess "post_cleanup backtrace"	4089	error Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	4090	if $make_core;
2374	}
2375		4091
		4092	my $fh = pidfile;
		4093	unlink $PIDFILE if <$fh> == $$;
		4094	}
		4095
		4096	# a safer delete_package, copied from Symbol
		4097	sub clear_package($) {
		4098	my $pkg = shift;
		4099
		4100	# expand to full symbol table name if needed
		4101	unless ($pkg =~ /^main::.*::$/) {
		4102	$pkg = "main$pkg" if $pkg =~ /^::/;
		4103	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4104	$pkg .= '::' unless $pkg =~ /::$/;
		4105	}
		4106
		4107	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4108	my $stem_symtab = *{$stem}{HASH};
		4109
		4110	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4111	or return;
		4112
		4113	# clear all symbols
		4114	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4115	for my $name (keys %$leaf_symtab) {
		4116	_gv_clear *{"$pkg$name"};
		4117	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4118	}
		4119	}
		4120
2376	sub reload() {	4121	sub do_reload_perl() {
2377	# can/must only be called in main	4122	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	4123	unless (in_main) {
2379	warn "can only reload from main coroutine";	4124	error "can only reload from main coroutine";
2380	return;	4125	return;
2381	}	4126	}
2382		4127
2383	warn "reloading...";	4128	return if $RELOAD++;
2384		4129
2385	warn "entering sync_job";	4130	my $t1 = AE::time;
2386		4131
		4132	while ($RELOAD) {
		4133	cf::get_slot 0.1, -1, "reload_perl";
		4134	info "perl_reload: reloading...";
		4135
		4136	trace "perl_reload: entering sync_job";
		4137
2387	cf::sync_job {	4138	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark
2389	cf::emergency_save;	4139	#cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark
2391		4140
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";	4141	trace "perl_reload: cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	4142	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	4143	%EXT_CORO = ();
2414		4144
2415	warn "removing commands";	4145	trace "perl_reload: removing commands";
2416	%COMMAND = ();	4146	%COMMAND = ();
2417		4147
2418	warn "removing ext commands";	4148	trace "perl_reload: removing ext/exti commands";
2419	%EXTCMD = ();	4149	%EXTCMD = ();
		4150	%EXTICMD = ();
2420		4151
2421	warn "unloading/nuking all extensions";	4152	trace "perl_reload: unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	4153	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	4154	trace "... unloading $pkg";
2424		4155
2425	if (my $cb = $pkg->can ("unload")) {	4156	if (my $cb = $pkg->can ("unload")) {
2426	eval {	4157	eval {
2427	$cb->($pkg);	4158	$cb->($pkg);
2428	1	4159	1
2429	} or warn "$pkg unloaded, but with errors: $@";	4160	} or error "$pkg unloaded, but with errors: $@";
		4161	}
		4162
		4163	trace "... clearing $pkg";
		4164	clear_package $pkg;
2430	}	4165	}
2431		4166
2432	warn "... nuking $pkg";
2433	Symbol::delete_package $pkg;
2434	}
2435
2436	warn "unloading all perl modules loaded from $LIBDIR";	4167	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2437	while (my ($k, $v) = each %INC) {	4168	while (my ($k, $v) = each %INC) {
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4169	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		4170
2440	warn "... unloading $k";	4171	trace "... unloading $k";
2441	delete $INC{$k};	4172	delete $INC{$k};
2442		4173
2443	$k =~ s/\.pm$//;	4174	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;	4175	$k =~ s/\//::/g;
2445		4176
2446	if (my $cb = $k->can ("unload_module")) {	4177	if (my $cb = $k->can ("unload_module")) {
2447	$cb->();	4178	$cb->();
		4179	}
		4180
		4181	clear_package $k;
2448	}	4182	}
2449		4183
2450	Symbol::delete_package $k;
2451	}
2452
2453	warn "getting rid of safe::, as good as possible";	4184	trace "perl_reload: getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	4185	clear_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		4187
2457	warn "unloading cf.pm \"a bit\"";	4188	trace "perl_reload: unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	4189	delete $INC{"cf.pm"};
		4190	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		4191
2460	# don't, removes xs symbols, too,	4192	# don't, removes xs symbols, too,
2461	# and global variables created in xs	4193	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	4194	#clear_package __PACKAGE__;
2463		4195
2464	warn "unload completed, starting to reload now";	4196	info "perl_reload: unload completed, starting to reload now";
2465		4197
2466	warn "reloading cf.pm";	4198	trace "perl_reload: reloading cf.pm";
2467	require cf;	4199	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4200	cf::_connect_to_perl_1;
2469		4201
2470	warn "loading config and database again";	4202	trace "perl_reload: loading config and database again";
2471	cf::cfg_load;	4203	cf::reload_config;
2472		4204
2473	warn "loading extensions";	4205	trace "perl_reload: loading extensions";
2474	cf::load_extensions;	4206	cf::load_extensions;
2475		4207
		4208	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	4209	trace "perl_reload: reattaching attachments to objects/players";
2477	_global_reattach; # objects, sockets	4210	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	4211	trace "perl_reload: reattaching attachments to maps";
2479	reattach $_ for values %MAP;	4212	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	4213	trace "perl_reload: reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	4214	reattach $_ for values %PLAYER;
		4215	}
2482		4216
2483	warn "loading reloadable resources";	4217	cf::_post_init 1;
2484	init_resources;
2485		4218
2486	warn "leaving sync_job";	4219	trace "perl_reload: leaving sync_job";
2487		4220
2488	1	4221	1
2489	} or do {	4222	} or do {
2490	warn $@;	4223	error $@;
2491	warn "error while reloading, exiting.";	4224	cf::cleanup "perl_reload: error, exiting.";
2492	exit 1;	4225	};
		4226
		4227	--$RELOAD;
		4228	}
		4229
		4230	$t1 = AE::time - $t1;
		4231	info "perl_reload: completed in ${t1}s\n";
		4232	};
		4233
		4234	our $RELOAD_WATCHER; # used only during reload
		4235
		4236	sub reload_perl() {
		4237	# doing reload synchronously and two reloads happen back-to-back,
		4238	# coro crashes during coro_state_free->destroy here.
		4239
		4240	$RELOAD_WATCHER ||= cf::async {
		4241	Coro::AIO::aio_wait cache_extensions;
		4242
		4243	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4244	do_reload_perl;
		4245	undef $RELOAD_WATCHER;
		4246	};
2493	};	4247	};
2494		4248	}
2495	warn "reloaded";
2496	};
2497
2498	our $RELOAD_WATCHER; # used only during reload
2499		4249
2500	register_command "reload" => sub {	4250	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	4251	my ($who, $arg) = @_;
2502		4252
2503	if ($who->flag (FLAG_WIZ)) {	4253	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	4254	$who->message ("reloading server.");
2505		4255	async {
2506	# doing reload synchronously and two reloads happen back-to-back,	4256	$Coro::current->{desc} = "perl_reload";
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;	4257	reload_perl;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);	4258	};
2518	}	4259	}
2519	};	4260	};
2520		4261
2521	unshift @INC, $LIBDIR;	4262	#############################################################################
2522		4263
2523	my $bug_warning = 0;	4264	my $bug_warning = 0;
2524		4265
2525	$TICK_WATCHER = Event->timer (	4266	sub wait_for_tick() {
2526	reentrant => 0,	4267	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2527	parked => 1,	4268
2528	prio => 0,	4269	$WAIT_FOR_TICK->wait;
2529	at => $NEXT_TICK || $TICK,	4270	}
2530	data => WF_AUTOCANCEL,	4271
2531	cb => sub {	4272	sub wait_for_tick_begin() {
		4273	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4274
		4275	my $signal = new Coro::Signal;
		4276	push @WAIT_FOR_TICK_BEGIN, $signal;
		4277	$signal->wait;
		4278	}
		4279
		4280	sub tick {
2532	if ($Coro::current != $Coro::main) {	4281	if ($Coro::current != $Coro::main) {
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4282	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	4283	unless ++$bug_warning > 10;
2535	return;	4284	return;
2536	}	4285	}
2537		4286
2538	$NOW = Event::time;	4287	cf::one_tick; # one server iteration
2539		4288
2540	cf::server_tick; # one server iteration	4289	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;
2543		4290
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4291	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	4292	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2546	Coro::async_pool {	4293	Coro::async_pool {
		4294	$Coro::current->{desc} = "runtime saver";
2547	write_runtime	4295	write_runtime_sync
2548	or warn "ERROR: unable to write runtime file: $!";	4296	or error "ERROR: unable to write runtime file: $!";
2549	};
2550	}	4297	};
		4298	}
2551		4299
		4300	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4301	$sig->send;
		4302	}
2552	$WAIT_FOR_TICK->broadcast;	4303	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554		4304
2555	# my $AFTER = Event::time;	4305	$LOAD = ($NOW - $TICK_START) / $TICK;
2556	# warn $AFTER - $NOW;#d#	4306	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2557		4307
2558	# if we are delayed by four ticks or more, skip them all	4308	if (0) {
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4309	if ($NEXT_TICK) {
2560		4310	my $jitter = $TICK_START - $NEXT_TICK;
2561	$TICK_WATCHER->at ($NEXT_TICK);	4311	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2562	$TICK_WATCHER->start;	4312	debug "jitter $JITTER\n";#d#
		4313	}
2563	},	4314	}
2564	);	4315	}
2565		4316
2566	{	4317	{
2567	BDB::max_poll_time $TICK * 0.1;	4318	# configure BDB
2568	$BDB_POLL_WATCHER = Event->io (	4319	info "initialising database";
2569	reentrant => 0,	4320
2570	fd => BDB::poll_fileno,
2571	poll => 'r',
2572	prio => 0,
2573	data => WF_AUTOCANCEL,
2574	cb => \&BDB::poll_cb,
2575	);
2576	BDB::min_parallel 8;	4321	BDB::min_parallel 16;
2577		4322	BDB::max_poll_reqs $TICK * 0.1;
2578	BDB::set_sync_prepare {	4323	#$AnyEvent::BDB::WATCHER->priority (1);
2579	my $status;
2580	my $current = $Coro::current;
2581	(
2582	sub {
2583	$status = $!;
2584	$current->ready; undef $current;
2585	},
2586	sub {
2587	Coro::schedule while defined $current;
2588	$! = $status;
2589	},
2590	)
2591	};
2592		4324
2593	unless ($DB_ENV) {	4325	unless ($DB_ENV) {
2594	$DB_ENV = BDB::db_env_create;	4326	$DB_ENV = BDB::db_env_create;
		4327	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4328	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4329	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4330	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4331	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595		4332
2596	cf::sync_job {	4333	cf::sync_job {
2597	eval {	4334	eval {
2598	BDB::db_env_open	4335	BDB::db_env_open
2599	$DB_ENV,	4336	$DB_ENV,
2600	$BDB_ENV_DIR,	4337	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4338	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4339	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	4340	0666;
2604		4341
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4342	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;
2609	};	4343	};
2610		4344
2611	cf::cleanup "db_env_open(db): $@" if $@;	4345	cf::cleanup "db_env_open(db): $@" if $@;
2612	};	4346	};
2613	}	4347	}
		4348
		4349	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4350	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4351	};
		4352	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4353	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4354	};
		4355	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4356	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4357	};
		4358
		4359	info "database initialised";
2614	}	4360	}
2615		4361
2616	{	4362	{
		4363	# configure IO::AIO
		4364
		4365	info "initialising aio";
2617	IO::AIO::min_parallel 8;	4366	IO::AIO::min_parallel 8;
2618
2619	undef $Coro::AIO::WATCHER;
2620	IO::AIO::max_poll_time $TICK * 0.1;	4367	IO::AIO::max_poll_time $TICK * 0.1;
2621	$AIO_POLL_WATCHER = Event->io (	4368	undef $AnyEvent::AIO::WATCHER;
2622	reentrant => 0,	4369	info "aio initialised";
2623	data => WF_AUTOCANCEL,
2624	fd => IO::AIO::poll_fileno,
2625	poll => 'r',
2626	prio => 6,
2627	cb => \&IO::AIO::poll_cb,
2628	);
2629	}	4370	}
		4371
		4372	our $_log_backtrace;
		4373	our $_log_backtrace_last;
		4374
		4375	sub _log_backtrace {
		4376	my ($msg, @addr) = @_;
		4377
		4378	$msg =~ s/\n$//;
		4379
		4380	if ($_log_backtrace_last eq $msg) {
		4381	LOG llevInfo, "[ABT] $msg\n";
		4382	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4383	# limit the # of concurrent backtraces
		4384	} elsif ($_log_backtrace < 2) {
		4385	$_log_backtrace_last = $msg;
		4386	++$_log_backtrace;
		4387	my $perl_bt = Carp::longmess $msg;
		4388	async {
		4389	$Coro::current->{desc} = "abt $msg";
		4390
		4391	my @bt = fork_call {
		4392	@addr = map { sprintf "%x", $_ } @addr;
		4393	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4394	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4395	or die "addr2line: $!";
		4396
		4397	my @funcs;
		4398	my @res = <$fh>;
		4399	chomp for @res;
		4400	while (@res) {
		4401	my ($func, $line) = splice @res, 0, 2, ();
		4402	push @funcs, "[$func] $line";
		4403	}
		4404
		4405	@funcs
		4406	};
		4407
		4408	LOG llevInfo, "[ABT] $perl_bt\n";
		4409	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4410	LOG llevInfo, "[ABT] $_\n" for @bt;
		4411	--$_log_backtrace;
		4412	};
		4413	} else {
		4414	LOG llevInfo, "[ABT] $msg\n";
		4415	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4416	}
		4417	}
		4418
		4419	# load additional modules
		4420	require "cf/$_.pm" for @EXTRA_MODULES;
		4421	cf::_connect_to_perl_2;
2630		4422
2631	END { cf::emergency_save }	4423	END { cf::emergency_save }
2632		4424
2633	1	4425	1
2634		4426

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