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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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 Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
27		62
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		78
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		80
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98
50	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
51	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
53	our $NOW;	139	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		140
56	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
57	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
58
59	our %CFG;
60
61	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;
63
64	our %PLAYER; # all users
65	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		144
73	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
76	binmode STDOUT;	161	binmode STDOUT;
77	binmode STDERR;	162	binmode STDERR;
78		163
79	# read virtual server time, if available	164	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
84	}	169	}
85		170
86	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	172
88	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		175
93	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
94		177
95	sub cf::map::normalise;	178	sub cf::map::normalise;
96		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
97	#############################################################################	184	#############################################################################
98		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
99	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
100		198
101	=over 4	199	=over 4
102		200
103	=item $cf::UPTIME	201	=item $cf::UPTIME
104		202
105	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
106		219
107	=item $cf::RUNTIME	220	=item $cf::RUNTIME
108		221
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	223	every server tick.
111		224
112	=item $cf::LIBDIR	225	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		226	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		227	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		228
114	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		231	unique-items directory, player file directory, random maps directory and
		232	database environment.
116		233
		234	=item $cf::LOADAVG
		235
		236	The current CPU load on the server (alpha-smoothed), as a value between 0
		237	(none) and 1 (overloaded), indicating how much time is spent on processing
		238	objects per tick. Healthy values are < 0.5.
		239
117	=item $cf::NOW	240	=item $cf::LOAD
118		241
119	The time of the last (current) server tick.	242	The raw value load value from the last tick.
120
121	=item $cf::TICK
122
123	The interval between server ticks, in seconds.
124		243
125	=item %cf::CFG	244	=item %cf::CFG
126		245
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	247	from wherever your confdir points to.
129		248
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		250
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
134	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
136		283
137	=back	284	=back
138		285
139	=cut	286	=cut
140		287
141	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
142	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
143	my $msg = join "", @_;	295	my $msg = join "", @_;
144	utf8::encode $msg;
145		296
146	$msg .= "\n"	297	$msg .= "\n"
147	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
148		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
149	LOG llevError, $msg;	302	LOG llevWarn, $msg;
150	};	303	};
151	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
152		318
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		326
160	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	328	# within the Safe compartment.
162	for my $pkg (qw(	329	for my $pkg (qw(
163	cf::global cf::attachable	330	cf::global cf::attachable
164	cf::object cf::object::player	331	cf::object cf::object::player
165	cf::client cf::player	332	cf::client cf::player
166	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
167	cf::map cf::party cf::region	335	cf::party cf::region
168	)) {	336	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	338	}
172		339
173	$Event::DIED = sub {	340	$EV::DIED = sub {
174	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
175	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
176		350
177	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
178		352
179	=over 4	353	=over 4
180		354
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	374	$d
201	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
202	}	376	}
203		377
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
205		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
206	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
207		431
208	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
209		433
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
218		435
219	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
220		437
221	=cut	438	=cut
222		439
223	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
225	JSON::Syck::Dump $_[0]	442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
226	}	505	}
227		506
228	=item cf::lock_wait $string	507	=item cf::lock_wait $string
229		508
230	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
231		510
232	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
233		512
234	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
235	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
236	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
237	returned.	516	returned.
238		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
239	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
241		523
242	=cut	524	=item $locked = cf::lock_active $string
243		525
244	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
245		531
246	sub lock_wait($) {	532	sub lock_wait($) {
247	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	534	}
255		535
256	sub lock_acquire($) {	536	sub lock_acquire($) {
257	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
258		539
259	# wait, to be sure we are not locked	540	sub lock_active($) {
260	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	542	}
269		543
270	sub freeze_mainloop {	544	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
272		546
273	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	548	}
275	$WRITE_RUNTIME_WATCHER->start;	549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
276	};	617	}
277	$WRITE_RUNTIME_WATCHER->stop;	618	};
278	$TICK_WATCHER->stop;	619
279	$guard	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
280	}	633	}
281		634
282	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
283		636
284	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		642
290	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
291		644
292	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
293		646
294	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
297		651
298	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
301	fast or be very important.	655	fast or be very important.
…		…
303	=cut	657	=cut
304		658
305	sub sync_job(&) {	659	sub sync_job(&) {
306	my ($job) = @_;	660	my ($job) = @_;
307		661
308	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
309	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
311		667
312	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	669
314	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
315		671
316	my $busy = 1;	672	my $busy = 1;
317	my @res;	673	my @res;
318		674
319	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	677	@res = eval { $job->() };
321	warn $@ if $@;	678	error $@ if $@;
322	undef $busy;	679	undef $busy;
323	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
324		681
325	while ($busy) {	682	while ($busy) {
326	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
327	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
328		693
329	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
330	} else {	695	} else {
331	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
332		697
…		…
352	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
353		718
354	$coro	719	$coro
355	}	720	}
356		721
357	sub write_runtime {	722	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		723
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
361	or return;	725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
362		728
363	my $value = $cf::RUNTIME + 90 + 10;	729	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		730
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	731	sub post_fork {
368	and return;	732	reset_signals;
		733	}
369		734
370	# always fsync - this file is important	735	sub fork_call(&@) {
371	aio_fsync $fh	736	my ($cb, @args) = @_;
372	and return;
373		737
374	close $fh	738	# we seemingly have to make a local copy of the whole thing,
375	or return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
376		741
377	aio_rename "$runtime~", $runtime	742	my @res = Coro::Util::fork_eval {
378	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
379		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
380	1	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
		914	}
		915
		916	=item cf::datalog type => key => value, ...
		917
		918	Log a datalog packet of the given type with the given key-value pairs.
		919
		920	=cut
		921
		922	sub datalog($@) {
		923	my ($type, %kv) = @_;
		924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	925	}
382		926
383	=back	927	=back
384		928
385	=cut	929	=cut
386		930
387	#############################################################################	931	#############################################################################
388		932
389	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
390		934
391	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
394		938
395	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	941	Deliantra).
398		942
399	=over 4	943	=over 4
400		944
401	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
402		946
…		…
446	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
447		991
448	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
450		994
451	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
453		997
454	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
455		999
456	=over 4	1000	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
566		1110
567	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1115
572	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
574		1118
575	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
580		1124
581	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1127
584	} elsif (ref $type) {	1128	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
586		1130
587	} else {	1131	} else {
588	shift @arg;	1132	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
590	}	1134	}
591	}	1135	}
592	}	1136	}
593		1137
594	sub _object_attach {	1138	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
605	}	1149	}
606		1150
607	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
608	} else {	1152	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1154	}
611		1155
612	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
613	}	1157	}
614		1158
…		…
616	if (ref $_[0]) {	1160	if (ref $_[0]) {
617	_object_attach @_;	1161	_object_attach @_;
618	} else {	1162	} else {
619	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
620	}	1164	}
		1165	_recalc_want;
621	};	1166	};
622		1167
623	# all those should be optimised	1168	# all those should be optimised
624	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1174	reattach ($obj);
630	} else {	1175	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
632	}	1177	}
		1178	_recalc_want;
633	};	1179	};
634		1180
635	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
637		1183
…		…
652	";	1198	";
653	die if $@;	1199	die if $@;
654	}	1200	}
655		1201
656	our $override;	1202	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1204
659	sub override {	1205	sub override {
660	$override = 1;	1206	$override = 1;
661	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
662	}	1208	}
663		1209
664	sub do_invoke {	1210	sub do_invoke {
665	my $event = shift;	1211	my $event = shift;
666	my $callbacks = shift;	1212	my $callbacks = shift;
667		1213
668	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
669		1215
670	local $override;	1216	local $override;
671		1217
672	for (@$callbacks) {	1218	for (@$callbacks) {
673	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
674		1220
675	if ($@) {	1221	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1223	override;
679	}	1224	}
680		1225
681	return 1 if $override;	1226	return 1 if $override;
682	}	1227	}
683		1228
684	0	1229	0
685	}	1230	}
686		1231
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1233
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1235
691	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
692		1237
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1241
697	=back	1242	=back
698		1243
699	=cut	1244	=cut
700		1245
701	#############################################################################	1246	#############################################################################
702	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
703		1290
704	sub reattach {	1291	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1293	my ($obj) = @_;
707		1294
		1295	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1297
710	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
711		1299
712	@$registry = ();	1300	@$registry = ();
713		1301
…		…
718	for (@$attach) {	1306	for (@$attach) {
719	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
721	}	1309	}
722	} else {	1310	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1312	}
725	}	1313	}
726	}	1314	}
727		1315
728	cf::attachable->attach (	1316	cf::attachable->attach (
729	prio => -1000000,	1317	prio => -1000000,
730	on_instantiate => sub {	1318	on_instantiate => sub {
731	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
732		1320
733	$data = from_json $data;	1321	$data = decode_json $data;
734		1322
735	for (@$data) {	1323	for (@$data) {
736	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
737		1325
738	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1342	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
756		1344
757	sync_job {	1345	sync_job {
758	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
761		1351
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
766	close $fh;	1359	aio_close $fh;
767		1360
768	if (@$objs) {	1361	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
774	close $fh;	1370	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
776	}	1372	}
777	} else {	1373	} else {
778	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
779	}	1375	}
780		1376
781	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1381	} else {
783	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
784	}	1383	}
785	} else {	1384	} else {
786	aio_unlink $filename;	1385	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
788	}	1387	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1388	};
796	}	1389	}
797		1390
798	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
800		1393
…		…
805		1398
806	sub object_thawer_load {	1399	sub object_thawer_load {
807	my ($filename) = @_;	1400	my ($filename) = @_;
808		1401
809	my ($data, $av);	1402	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1403
814	(aio_load $filename, $data) >= 0	1404	(aio_load $filename, $data) >= 0
815	or return;	1405	or return;
816		1406
817	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
819	or return;	1409	or return;
		1410
820	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
821	}	1413	}
822		1414
		1415	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
825	return ($data, $av);	1420	($data, $av)
826	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
827		1428
828	#############################################################################	1429	#############################################################################
829	# command handling &c	1430	# command handling &c
830		1431
831	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1446	}
846		1447
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1449
849	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
850		1455
851	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
852	called.	1457	called.
853		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
854	=cut	1470	=cut
855		1471
856	sub register_extcmd {	1472	sub register_extcmd {
857	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
858		1474
859	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
860	}	1476	}
861		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
862	cf::player->attach (	1486	cf::player->attach (
863	on_command => sub {	1487	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
865		1489
866	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
867	or return;	1491	or return;
868		1492
…		…
873	cf::override;	1497	cf::override;
874	},	1498	},
875	on_extcmd => sub {	1499	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
877		1501
878	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1503
880	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
886	} else {	1516	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1518	}
889		1519
890	cf::override;	1520	cf::override;
891	},	1521	},
892	);	1522	);
893		1523
		1524	# "readahead" all extensions
894	sub load_extension {	1525	sub cache_extensions {
895	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
896		1527
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1531	}
922	die $@;
923	}	1532	};
924		1533
925	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
926	}	1546	}
927		1547
928	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
929	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1557	next unless -r $path;
931	eval {	1558
932	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
933	1	1631	}
934	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
935	}	1644	};
936	}	1645	}
937		1646
938	#############################################################################	1647	#############################################################################
939		1648
		1649	=back
		1650
940	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
941		1652
942	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
943		1654
944	=cut	1655	=cut
945		1656
946	package cf::player;	1657	package cf::player;
947		1658
…		…
949		1660
950	=head3 cf::player	1661	=head3 cf::player
951		1662
952	=over 4	1663	=over 4
953		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
		1678
954	=item cf::player::find $login	1679	=item cf::player::find $login
955		1680
956	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
957		1682
958	=cut	1683	=cut
959		1684
960	sub playerdir($) {	1685	sub playerdir($) {
961	cf::localdir	1686	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1688	}
967		1689
968	sub path($) {	1690	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1692
971	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
972	}	1694	}
973		1695
974	sub find_active($) {	1696	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
979		1701
980	sub exists($) {	1702	sub exists($) {
981	my ($login) = @_;	1703	my ($login) = @_;
982		1704
983	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
985	}	1707	}
986		1708
987	sub find($) {	1709	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1711	my $login = $_[0];
990		1712
991	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
992		1714
993	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1716	# rename old playerfiles to new ones
		1717	#TODO: remove when no longer required
		1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1721	aio_unlink +(playerdir $login) . "/$login.pl";
		1722
		1723	my $f = new_from_file cf::object::thawer path $login
995	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
997	}	1732	}
998	}	1733	}
999	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1000		1748
1001	sub save($) {	1749	sub save($) {
1002	my ($pl) = @_;	1750	my ($pl) = @_;
1003		1751
1004	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1010		1758
1011	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1013		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1014	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1015	Coro::cede;	1768	cf::cede_to_tick;
1016	}	1769	}
1017		1770
1018	sub new($) {	1771	sub new($) {
1019	my ($login) = @_;	1772	my ($login) = @_;
1020		1773
…		…
1026	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1027		1780
1028	$self	1781	$self
1029	}	1782	}
1030		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1031	=item $pl->quit_character	1794	=item $pl->quit_character
1032		1795
1033	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1035		1798
1036	=cut	1799	=cut
1037		1800
1038	sub quit_character {	1801	sub quit_character {
1039	my ($pl) = @_;	1802	my ($pl) = @_;
1040		1803
		1804	my $name = $pl->ob->name;
		1805
1041	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1808
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1047	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1048		1817
1049	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1822	$pl->destroy;
		1823
		1824	my $prefix = qr<^~\Q$name\E/>;
		1825
		1826	# nuke player maps
		1827	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1828
1054	IO::AIO::aio_rmtree $temp;	1829	IO::AIO::aio_rmtree $temp;
		1830	}
		1831
		1832	=item $pl->kick
		1833
		1834	Kicks a player out of the game. This destroys the connection.
		1835
		1836	=cut
		1837
		1838	sub kick {
		1839	my ($pl, $kicker) = @_;
		1840
		1841	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1842	$pl->killer ("kicked");
		1843	$pl->ns->destroy;
1055	}	1844	}
1056		1845
1057	=item cf::player::list_logins	1846	=item cf::player::list_logins
1058		1847
1059	Returns am arrayref of all valid playernames in the system, can take a	1848	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1061		1850
1062	=cut	1851	=cut
1063		1852
1064	sub list_logins {	1853	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1855	or return [];
1067		1856
1068	my @logins;	1857	my @logins;
1069		1858
1070	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1074		1869
1075	utf8::decode $login;	1870	utf8::decode $login;
1076	push @logins, $login;	1871	push @logins, $login;
1077	}	1872	}
1078		1873
1079	\@logins	1874	\@logins
1080	}	1875	}
1081		1876
1082	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1083		1880
1084	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1085	player. May block.	1882	player. May block.
1086		1883
1087	=cut	1884	=cut
…		…
1105	}	1902	}
1106		1903
1107	\@paths	1904	\@paths
1108	}	1905	}
1109		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1111		1912
1112	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1113		1914
1114	=cut	1915	=cut
1115		1916
1116	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1118		1919
1119	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1921	}
1123		1922
1124	package cf;	1923	=item $player->ext_msg ($type, @msg)
		1924
		1925	Sends an ext event to the client.
		1926
		1927	=cut
		1928
		1929	sub ext_msg($$@) {
		1930	my ($self, $type, @msg) = @_;
		1931
		1932	$self->ns->ext_msg ($type, @msg);
		1933	}
		1934
		1935	=head3 cf::region
		1936
		1937	=over 4
		1938
		1939	=cut
		1940
		1941	package cf::region;
		1942
		1943	=item cf::region::find_by_path $path
		1944
		1945	Tries to decuce the likely region for a map knowing only its path.
		1946
		1947	=cut
		1948
		1949	sub find_by_path($) {
		1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
		1954	my ($match, $specificity);
		1955
		1956	for my $region (list) {
		1957	if ($region->{match} && $path =~ $region->{match}) {
		1958	($match, $specificity) = ($region, $region->specificity)
		1959	if $region->specificity > $specificity;
		1960	}
		1961	}
		1962
		1963	$match
		1964	}
1125		1965
1126	=back	1966	=back
1127
1128		1967
1129	=head3 cf::map	1968	=head3 cf::map
1130		1969
1131	=over 4	1970	=over 4
1132		1971
…		…
1144	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1146		1985
1147	sub generate_random_map {	1986	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1150	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1992	}
1164		1993
1165	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1166		1995
1167	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1172		2001
1173	sub register {	2002	sub register {
1174	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	2004	my $pkg = caller;
1176		2005
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		2007
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	2009	}
1182		2010
1183	# also paths starting with '/'	2011	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		2013
1186	sub thawer_merge {	2014	sub thawer_merge {
1187	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1188		2016
1189	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1190	local $self->{path};	2018	local $self->{path};
1191	local $self->{load_path};	2019	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		2020
1195	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1196	}	2022	}
1197		2023
1198	sub normalise {	2024	sub normalise {
1199	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1200		2026
1201	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1202		2028
1203	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1204		2030
1205	# map plan:	2031	# map plan:
1206	#	2032	#
…		…
1221	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	2048	$path = "$base/$path";
1223	}	2049	}
1224		2050
1225	for ($path) {	2051	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1229	}	2054	}
1230		2055
1231	$path	2056	$path
…		…
1245	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1246	return $self;	2071	return $self;
1247	}	2072	}
1248	}	2073	}
1249		2074
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2076	()
1252	}	2077	}
1253		2078
		2079	# may re-bless or do other evil things
1254	sub init {	2080	sub init {
1255	my ($self) = @_;	2081	my ($self) = @_;
1256		2082
1257	$self	2083	$self
1258	}	2084	}
…		…
1270		2096
1271	# the original (read-only) location	2097	# the original (read-only) location
1272	sub load_path {	2098	sub load_path {
1273	my ($self) = @_;	2099	my ($self) = @_;
1274		2100
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1276	}	2102	}
1277		2103
1278	# the temporary/swap location	2104	# the temporary/swap location
1279	sub save_path {	2105	sub save_path {
1280	my ($self) = @_;	2106	my ($self) = @_;
1281		2107
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1284	}	2110	}
1285		2111
1286	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1287	sub uniq_path {	2113	sub uniq_path {
1288	my ($self) = @_;	2114	my ($self) = @_;
1289		2115
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1292	}	2118	}
1293		2119
1294	# and all this just because we cannot iterate over	2120	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2121	my ($self) = @_;
1298		2122
1299	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1301	}	2126	}
1302		2127
1303	sub unlink_save {	2128	sub unlink_save {
1304	my ($self) = @_;	2129	my ($self) = @_;
1305		2130
1306	utf8::encode (my $save = $self->save_path);	2131	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2132	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2133	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2134	}
1315		2135
1316	sub load_header_from($) {	2136	sub load_header_from($) {
1317	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1318		2138
1319	utf8::encode $path;	2139	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2141	or return;
1325		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1326	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1327		2150
1328	1	2151	1
1329	}	2152	}
1330		2153
		2154	# used to laod the header of an original map
1331	sub load_header_orig {	2155	sub load_header_orig {
1332	my ($self) = @_;	2156	my ($self) = @_;
1333		2157
1334	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1335	}	2159	}
1336		2160
		2161	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2162	sub load_header_temp {
1338	my ($self) = @_;	2163	my ($self) = @_;
1339		2164
1340	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1341	}	2166	}
1342		2167
		2168	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2169	sub prepare_temp {
1344	my ($self) = @_;	2170	my ($self) = @_;
1345		2171
1346	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1348	# safety	2174	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2177	}
1352		2178
		2179	# called after loading the header from an original map
1353	sub prepare_orig {	2180	sub prepare_orig {
1354	my ($self) = @_;	2181	my ($self) = @_;
1355		2182
1356	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2195	$self->load_header_orig
1369	or return;	2196	or return;
1370	$self->prepare_orig;	2197	$self->prepare_orig;
1371	}	2198	}
1372		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
		2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
1373	1	2206	1
1374	}	2207	}
1375		2208
1376	sub find;	2209	sub find;
1377	sub find {	2210	sub find {
1378	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1379		2212
		2213	cf::cede_to_tick;
		2214
1380	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1381		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2219
1384	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1387	or return;	2222	or return;
1388		2223
1389	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1390		2225
1391	$map->load_header	2226	$map->load_header
1392	or return;	2227	or return;
1393		2228
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1397	$map->reset;	2234	$map->reset;
1398	undef $guard;
1399	return find $path;	2235	return find $path;
1400	}	2236	}
1401		2237
1402	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1403	}	2239	}
1404	}	2240	}
1405		2241
1406	sub pre_load { }	2242	sub pre_load { }
1407	sub post_load { }	2243	#sub post_load { } # XS
1408		2244
1409	sub load {	2245	sub load {
1410	my ($self) = @_;	2246	my ($self) = @_;
1411		2247
1412	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1413		2249
1414	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1416		2254
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1418		2257
1419	$self->in_memory (cf::MAP_LOADING);
1420
1421	$self->alloc;	2258	$self->alloc;
1422		2259
1423	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1424		2262
1425	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1426	or return;	2267	or return;
1427		2268
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1429	if delete $self->{load_original};	2270	if delete $self->{load_original};
1430		2271
1431	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2273	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2276	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1436	}	2281	}
1437	}
1438		2282
1439	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1440		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1441	# now do the right thing for maps	2292	# now do the right thing for maps
1442	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2295	unless $self->difficulty;
1452	Coro::cede;	2296	cf::cede_to_tick;
1453	$self->activate;	2297
		2298	unless ($self->{deny_activate}) {
		2299	$self->decay_objects;
		2300	$self->fix_auto_apply;
		2301	$self->update_buttons;
		2302	cf::cede_to_tick;
		2303	#$self->activate; # no longer activate maps automatically
		2304	}
		2305
		2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1454	}	2308	}
1455		2309
1456	$self->post_load;	2310	$self->post_load;
1457		2311
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1459	}	2313	}
1460		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2318	sub customise_for {
1462	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1463		2320
1464	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2322	if $self->per_player;
1466		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1467	$self	2327	$self
1468	}
1469
1470	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {
1472	my ($map) = @_;
1473
1474	my @diag; # diagonal neighbours
1475
1476	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)
1478	or next;
1479	$neigh = find $neigh, $map
1480	or next;
1481	$neigh->load;
1482
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}
1486
1487	for (@diag) {
1488	my $neigh = find @$_
1489	or next;
1490	$neigh->load;
1491	}
1492	}	2328	}
1493		2329
1494	sub find_sync {	2330	sub find_sync {
1495	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1496		2332
1497	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1498	}	2338	}
1499		2339
1500	sub do_load_sync {	2340	sub do_load_sync {
1501	my ($map) = @_;	2341	my ($map) = @_;
1502		2342
1503	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1504	}	2348	}
1505		2349
1506	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1508		2352
1509	sub find_async {	2353	sub find_async {
1510	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1511		2355
1512	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1513		2357
1514	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1516	}	2360	}
1517		2361
1518	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1519	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1520	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2369	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2370	$map->load if $v;
		2371	}
1525		2372
1526	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1527	}	2374	}
1528	}	2375	}
1529	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1530	};	2377	};
1531	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1532		2379
1533	()	2380	()
1534	}	2381	}
1535		2382
		2383	# common code, used by both ->save and ->swapout
1536	sub save {	2384	sub _save {
1537	my ($self) = @_;	2385	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2386
1541	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1542		2388
1543	return unless $self->dirty;	2389	return unless $self->dirty;
1544		2390
…		…
1550	return if $self->{deny_save};	2396	return if $self->{deny_save};
1551		2397
1552	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1553		2399
1554	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1556	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1557		2406
1558	if ($uniq) {	2407	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2410	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2412	}
1564	}	2413	}
1565		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1566	sub swap_out {	2423	sub swap_out {
1567	my ($self) = @_;	2424	my ($self) = @_;
1568		2425
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1574	return if $self->players;	2430	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1578	$self->clear;	2441	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2442	}
1581		2443
1582	sub reset_at {	2444	sub reset_at {
1583	my ($self) = @_;	2445	my ($self) = @_;
1584		2446
1585	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1588		2449
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2452
…		…
1602	my ($self) = @_;	2463	my ($self) = @_;
1603		2464
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2466
1606	return if $self->players;	2467	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2468
1609	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
		2470
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
1610		2480
1611	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1612		2482
1613	$self->in_memory (cf::MAP_SWAPPED);	2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2485	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2486
1618	$self->unlink_save;	2487	$self->unlink_save;
1619	$self->destroy;	2488	$self->destroy;
1620	}	2489	}
1621		2490
1622	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1623		2492
1624	sub nuke {	2493	sub nuke {
1625	my ($self) = @_;	2494	my ($self) = @_;
1626		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1627	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1628		2500
1629	$self->unlink_save;	2501	$self->unlink_save;
1630		2502
1631	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2508
1637	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1638		2511
1639	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1640	}	2549	}
1641		2550
1642	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1643		2552
1644	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2554	instantiated unique items. May block.
1646		2555
1647	=cut	2556	=cut
1648		2557
1649	sub unique_maps() {	2558	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1651	or return;	2560	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2561	utf8::decode $_;
1657	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2564	? ()
1660	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2567	]
1662
1663	\@paths
1664	}	2568	}
1665		2569
1666	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1667		2601
1668	=back	2602	=back
1669		2603
1670	=head3 cf::object	2604	=head3 cf::object
1671		2605
…		…
1675		2609
1676	=over 4	2610	=over 4
1677		2611
1678	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1679		2613
1680	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1681		2616
1682	=cut	2617	=cut
1683		2618
1684	sub inv_recursive_;	2619	sub inv_recursive_;
1685	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1688		2623
1689	sub inv_recursive {	2624	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1691	}	2626	}
1692		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1693	package cf;	2656	package cf;
1694		2657
1695	=back	2658	=back
1696		2659
1697	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1706		2669
1707	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1708		2685
1709	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2687	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1714		2691
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2693
1717	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1719	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1722	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1723	}	2719	}
1724		2720
1725	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1726		2722
1727	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1740		2736
1741	=item $player_object->enter_link	2737	=item $player_object->enter_link
1742		2738
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2740
1745	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1747		2745
1748	Will never block.	2746	Will never block.
1749		2747
1750	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1751		2749
…		…
1771	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2770	my ($self) = @_;
1773		2771
1774	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1775		2773
		2774	++$self->{_link_recursion};
		2775
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2777
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1780		2780
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2782	}
1783		2783
1784	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1786		2788
1787	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1788		2790
1789	unless ($map) {	2791	unless ($map) {
1790	# restore original map position	2792	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1803		2805
1804	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1807		2809
1808	$map->load;	2810	$map->load;
1809	$map->load_diag;
1810		2811
1811	return unless $self->contr->active;	2812	return unless $self->contr->active;
		2813
		2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2815	if ($self->enter_map ($map, $x, $y)) {
		2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2819	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2820	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2821
1830	# try to abort aborted map switching on player login :)	2822	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2823
1848	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2825
		2826	Moves the player to the given map-path and coordinates by first freezing
		2827	her, loading and preparing them map, calling the provided $check callback
		2828	that has to return the map if sucecssful, and then unfreezes the player on
		2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
1850	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1851		2838
1852	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
		2848	# do generation counting so two concurrent goto's will be executed in-order
		2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2850
1855	$self->enter_link;	2851	$self->enter_link;
1856		2852
1857	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
1858	my $map = eval {	2875	my $map = eval {
1859	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
		2881	} else {
		2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
		2884
1861	$map	2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2891	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1866	})->prio (1);	2899	})->prio (1);
1867	}	2900	}
1868		2901
1869	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1870		2903
…		…
1890	}	2923	}
1891		2924
1892	sub prepare_random_map {	2925	sub prepare_random_map {
1893	my ($exit) = @_;	2926	my ($exit) = @_;
1894		2927
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2930	# that depends on the exit object
1900		2931
1901	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2934	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1908	}	2941	}
1909		2942
1910	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1911		2944
1912	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1915		2948
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2951	undef $fh;
1919	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1920		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1923	}	2960	}
1924	}	2961	}
1925		2962
1926	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1928		2965
1929	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1930		2967
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2968	$self->enter_link;
1941		2969
1942	(async {	2970	(async {
1943	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1944	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
1945	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1946		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
1947	1;	3009	1
1948	}) {	3010	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1953		3015
1954	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	3017	$self->leave_link;
1956	}	3018	}
1957	})->prio (1);	3019	})->prio (1);
1958	}	3020	}
1959		3021
…		…
1970		3032
1971	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1973		3035
1974	utf8::encode $text;	3036	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	3038	}
1977		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
		3227	=item $client->ext_msg ($type, @msg)
		3228
		3229	Sends an ext event to the client.
		3230
		3231	=cut
		3232
		3233	sub cf::client::ext_msg($$@) {
		3234	my ($self, $type, @msg) = @_;
		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3256	}
1978		3257
1979	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1980		3259
1981	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3263
1985	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3265	become reliable at some point in the future.
1987		3266
1988	=cut	3267	=cut
1989		3268
1990	sub cf::client::query {	3269	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3278	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3280
2002	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2004	}	3285	}
2005		3286
2006	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2007	on_reply => sub {	3293	on_reply => sub {
2008	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2009		3295
2010	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2011	# get handled first	3297	# get handled first
…		…
2023	} else {	3309	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3311	}
2026	}	3312	}
2027	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
2028	);	3337	);
2029		3338
2030	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2031		3340
2032	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3357
2049	$coro	3358	$coro
2050	}	3359	}
2051		3360
2052	cf::client->attach (	3361	cf::client->attach (
2053	on_destroy => sub {	3362	on_client_destroy => sub {
2054	my ($ns) = @_;	3363	my ($ns) = @_;
2055		3364
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3366	},
2058	);	3367	);
…		…
2073	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2075		3384
2076	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2077		3386
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2079		3392
2080	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2081		3394
2082	=pod	3395	=pod
2083		3396
2084	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2085		3398
2086	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2087	cf::object::player player	3404	cf::object::player
2088	cf::player peaceful	3405	player
2089	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2090		3412
2091	=cut	3413	=cut
2092		3414
2093	for (	3415	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2098	) {	3422	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3425	for @funs;
2103	}	3426	}
2104		3427
…		…
2119		3442
2120	my $qcode = $code;	3443	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2123		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2124	local $_;	3450	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3451
2127	my $eval =	3452	my $eval =
2128	"do {\n"	3453	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3456	. $code
2132	. "\n}"	3457	. "\n}"
2133	;	3458	;
2134		3459
		3460	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2138		3469
2139	if ($@) {	3470	if ($@) {
2140	warn "$@";	3471	warn "$@",
2141	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2143	}	3474	}
2144		3475
2145	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2146	}	3477	}
2147		3478
…		…
2161	=cut	3492	=cut
2162		3493
2163	sub register_script_function {	3494	sub register_script_function {
2164	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2165		3496
2166	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2168	}	3499	}
2169		3500
2170	=back	3501	=back
2171		3502
2172	=cut	3503	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3504
2282	#############################################################################	3505	#############################################################################
2283	# the server's init and main functions	3506	# the server's init and main functions
2284		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
		3510	sub load_facedata($) {
		3511	my ($path) = @_;
		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
		3519	trace "loading facedata from $path\n";
		3520
		3521	my $facedata = decode_storable load_file $path;
		3522
		3523	$facedata->{version} == 2
		3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
		3535	{
		3536	my $faces = $facedata->{faceinfo};
		3537
		3538	while (my ($face, $info) = each %$faces) {
		3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
		3541	cf::face::set_visibility $idx, $info->{visibility};
		3542	cf::face::set_magicmap $idx, $info->{magicmap};
		3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
		3547
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	while (my ($face, $info) = each %$faces) {
		3552	next unless $info->{smooth};
		3553
		3554	my $idx = cf::face::find $face
		3555	or next;
		3556
		3557	if (my $smooth = cf::face::find $info->{smooth}) {
		3558	cf::face::set_smooth $idx, $smooth;
		3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3560	} else {
		3561	error "smooth face '$info->{smooth}' not found for face '$face'";
		3562	}
		3563
		3564	cf::cede_to_tick;
		3565	}
		3566	}
		3567
		3568	{
		3569	my $anims = $facedata->{animinfo};
		3570
		3571	while (my ($anim, $info) = each %$anims) {
		3572	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3573	cf::cede_to_tick;
		3574	}
		3575
		3576	cf::anim::invalidate_all; # d'oh
		3577	}
		3578
		3579	{
		3580	my $res = $facedata->{resource};
		3581
		3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
		3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3586
		3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
		3591	} else {
		3592	# $RESOURCE{$name} = $info; # unused
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3600
		3601	1
		3602	}
		3603
		3604	register_exticmd fx_want => sub {
		3605	my ($ns, $want) = @_;
		3606
		3607	while (my ($k, $v) = each %$want) {
		3608	$ns->fx_want ($k, $v);
		3609	}
		3610	};
		3611
2285	sub load_resources {	3612	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
		3621
		3622	sub reload_regions {
		3623	# HACK to clear player env face cache, we need some signal framework
		3624	# for this (global event?)
		3625	%ext::player_env::MUSIC_FACE_CACHE = ();
		3626
		3627	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3628	or die "unable to load regions file\n";
2288	}
2289		3629
2290	sub cfg_load {	3630	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3631	$_->{match} = qr/$_->{match}/
2292	or return;	3632	if exists $_->{match};
		3633	}
		3634	}
2293		3635
2294	local $/;	3636	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3637	load_facedata "$DATADIR/facedata"
		3638	or die "unable to load facedata\n";
		3639	}
2296		3640
		3641	sub reload_archetypes {
		3642	load_resource_file "$DATADIR/archetypes"
		3643	or die "unable to load archetypes\n";
		3644	}
		3645
		3646	sub reload_treasures {
		3647	load_resource_file "$DATADIR/treasures"
		3648	or die "unable to load treasurelists\n";
		3649	}
		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
		3671	sub reload_resources {
		3672	trace "reloading resource files...\n";
		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
		3679	reload_regions;
		3680	reload_treasures;
		3681
		3682	trace "finished reloading resource files\n";
		3683	}
		3684
		3685	sub reload_config {
		3686	trace "reloading config file...\n";
		3687
		3688	my $config = load_file "$CONFDIR/config";
		3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
		3691
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3693
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3696
2302	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2306	};	3701	};
2307	warn $@ if $@;	3702	warn $@ if $@;
2308	}	3703	}
2309	}	3704	}
2310		3705
2311	sub init {	3706	sub pidfile() {
2312	load_resources;	3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3732	}
2314		3733
2315	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
2316	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3747	(async {
2320	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2322	};	3751	};
2323		3752
2324	cfg_load;	3753	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
		3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
2326	load_extensions;	3776	load_extensions;
2327		3777
2328	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
2330	}	3795	}
2331		3796
2332	#############################################################################	3797	#############################################################################
2333	# initialisation and cleanup	3798	# initialisation and cleanup
2334		3799
2335	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2336	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
2345	},
2346	);	3806	};
		3807	}
		3808	}
		3809
		3810	sub write_runtime_sync {
		3811	my $t0 = AE::time;
		3812
		3813	# first touch the runtime file to show we are still running:
		3814	# the fsync below can take a very very long time.
		3815
		3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3817
		3818	my $guard = cf::lock_acquire "write_runtime";
		3819
		3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3821	or return;
		3822
		3823	my $value = $cf::RUNTIME + 90 + 10;
		3824	# 10 is the runtime save interval, for a monotonic clock
		3825	# 60 allows for the watchdog to kill the server.
		3826
		3827	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3828	and return;
		3829
		3830	# always fsync - this file is important
		3831	aio_fsync $fh
		3832	and return;
		3833
		3834	# touch it again to show we are up-to-date
		3835	aio_utime $fh, undef, undef;
		3836
		3837	close $fh
		3838	or return;
		3839
		3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3841	and return;
		3842
		3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3844
2347	}	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
2348	}	3896	}
2349		3897
2350	sub emergency_save() {	3898	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
2352		3900
2353	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
2354		3907
2355	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
2356	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3919	$pl->save;
2364	}	3920	}
2365	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
2366		3922
2367	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3928	$map->valid or next;
2371	$map->save;	3929	$map->save;
2372	}	3930	}
2373	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
		3936	BDB::db_env_txn_checkpoint $DB_ENV;
		3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
2374	};	3961	};
2375		3962
2376	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
2377	}	3964	}
2378		3965
		3966	sub post_cleanup {
		3967	my ($make_core) = @_;
		3968
		3969	IO::AIO::flush;
		3970
		3971	error Carp::longmess "post_cleanup backtrace"
		3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
		4001	}
		4002
2379	sub reload() {	4003	sub do_reload_perl() {
2380	# can/must only be called in main	4004	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
2382	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
2383	return;	4007	return;
2384	}	4008	}
2385		4009
2386	warn "reloading...";	4010	return if $RELOAD++;
2387		4011
2388	warn "cancelling server ticker";	4012	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
		4020	cf::sync_job {
2391	cf::emergency_save;	4021	#cf::emergency_save;
2392		4022
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	4025	%EXT_CORO = ();
2415		4026
2416	warn "removing commands";	4027	trace "perl_reload: removing commands";
2417	%COMMAND = ();	4028	%COMMAND = ();
2418		4029
2419	warn "removing ext commands";	4030	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	4031	%EXTCMD = ();
		4032	%EXTICMD = ();
2421		4033
2422	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
2425		4037
2426	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
2427	eval {	4039	eval {
2428	$cb->($pkg);	4040	$cb->($pkg);
2429	1	4041	1
2430	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
2431	}	4047	}
2432		4048
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		4052
2441	warn "... unloading $k";	4053	trace "... unloading $k";
2442	delete $INC{$k};	4054	delete $INC{$k};
2443		4055
2444	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
2446		4058
2447	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
2449	}	4064	}
2450		4065
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4069
2458	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
		4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4073
2461	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4075	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
2464		4077
2465	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
2466		4079
2467	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
2468	require cf;	4081	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
2470		4083
2471	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4085	cf::reload_config;
2473	cf::db_load;
2474		4086
2475	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4088	cf::load_extensions;
2477		4089
		4090	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4092	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
		4095	trace "perl_reload: reattaching attachments to players";
		4096	reattach $_ for values %PLAYER;
		4097	}
2482		4098
2483	warn "loading reloadable resources";	4099	cf::_post_init 1;
2484	load_resources;
2485		4100
2486	warn "restarting server ticker";	4101	trace "perl_reload: leaving sync_job";
2487		4102
2488	$TICK_WATCHER->start;	4103	1
		4104	} or do {
		4105	error $@;
		4106	cf::cleanup "perl_reload: error, exiting.";
		4107	};
		4108
		4109	--$RELOAD;
		4110	}
		4111
		4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
		4114	};
		4115
		4116	our $RELOAD_WATCHER; # used only during reload
		4117
		4118	sub reload_perl() {
		4119	# doing reload synchronously and two reloads happen back-to-back,
		4120	# coro crashes during coro_state_free->destroy here.
		4121
		4122	$RELOAD_WATCHER ||= cf::async {
		4123	Coro::AIO::aio_wait cache_extensions;
		4124
		4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4126	do_reload_perl;
		4127	undef $RELOAD_WATCHER;
		4128	};
2489	};	4129	};
2490		4130	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4131
2502	register_command "reload" => sub {	4132	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
2504		4134
2505	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
2507		4137	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4138	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4139	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4140	};
2520	}	4141	}
2521	};	4142	};
2522		4143
2523	unshift @INC, $LIBDIR;	4144	#############################################################################
2524		4145
2525	my $bug_warning = 0;	4146	my $bug_warning = 0;
2526		4147
2527	$TICK_WATCHER = Event->timer (	4148	sub wait_for_tick() {
2528	reentrant => 0,	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2529	parked => 1,	4150
2530	prio => 0,	4151	$WAIT_FOR_TICK->wait;
2531	at => $NEXT_TICK || $TICK,	4152	}
2532	data => WF_AUTOCANCEL,	4153
2533	cb => sub {	4154	sub wait_for_tick_begin() {
		4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4156
		4157	my $signal = new Coro::Signal;
		4158	push @WAIT_FOR_TICK_BEGIN, $signal;
		4159	$signal->wait;
		4160	}
		4161
		4162	sub tick {
2534	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
2537	return;	4166	return;
		4167	}
		4168
		4169	cf::one_tick; # one server iteration
		4170
		4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4172
		4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4175	Coro::async_pool {
		4176	$Coro::current->{desc} = "runtime saver";
		4177	write_runtime_sync
		4178	or error "ERROR: unable to write runtime file: $!";
2538	}	4179	};
		4180	}
2539		4181
2540	$NOW = Event::time;	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2541		4183	$sig->send;
2542	cf::server_tick; # one server iteration	4184	}
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545
2546	$WAIT_FOR_TICK->broadcast;	4185	$WAIT_FOR_TICK->broadcast;
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4186
2549	Event::sweep;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
2550	Coro::cede_notself;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4189
		4190	if (0) {
		4191	if ($NEXT_TICK) {
		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
2551		4195	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4196	}
2561	);	4197	}
2562		4198
2563	{	4199	{
2564	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4201
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
2574		4203	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4205
2590	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4213
2593	cf::sync_job {	4214	cf::sync_job {
		4215	eval {
2594	BDB::db_env_open	4216	BDB::db_env_open
2595	$DB_ENV,	4217	$DB_ENV,
2596	$BDB_ENV_DIR,	4218	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4221	0666;
2600		4222
2601	cf::cleanup "$!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4224	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4225
2604	$DB_ENV->set_lk_detect;	4226	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4227	};
2606	}	4228	}
		4229
		4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4232	};
		4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4235	};
		4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4238	};
2607	}	4239	}
2608		4240
2609	{	4241	{
		4242	# configure IO::AIO
		4243
2610	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4247	}
2623		4248
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4249	our $_log_backtrace;
2625	reentrant => 0,	4250	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4251
2627	after => 1,	4252	sub _log_backtrace {
2628	interval => 10,	4253	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4254
2630	cb => Coro::unblock_sub {	4255	$msg =~ s/\n$//;
2631	write_runtime	4256
2632	or warn "ERROR: unable to write runtime file: $!";	4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4260	# limit the # of concurrent backtraces
		4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
		4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
		4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
		4268	my @bt = fork_call {
		4269	@addr = map { sprintf "%x", $_ } @addr;
		4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4272	or die "addr2line: $!";
		4273
		4274	my @funcs;
		4275	my @res = <$fh>;
		4276	chomp for @res;
		4277	while (@res) {
		4278	my ($func, $line) = splice @res, 0, 2, ();
		4279	push @funcs, "[$func] $line";
		4280	}
		4281
		4282	@funcs
		4283	};
		4284
		4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4287	LOG llevInfo, "[ABT] $_\n" for @bt;
		4288	--$_log_backtrace;
		4289	};
		4290	} else {
		4291	LOG llevInfo, "[ABT] $msg\n";
		4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4293	}
2634	);	4294	}
		4295
		4296	# load additional modules
		4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
2635		4299
2636	END { cf::emergency_save }	4300	END { cf::emergency_save }
2637		4301
2638	1	4302	1
2639		4303

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