ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.203 by root, Thu Feb 1 19:40:42 2007 UTC vs.
Revision 1.592 by root, Fri Nov 9 00:11:49 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
		58	use BDB ();
20	use Data::Dumper;	59	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	60	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	61	use YAML::XS ();
		62	use IO::AIO ();
25	use Time::HiRes;	63	use Time::HiRes;
		64	use Compress::LZF;
		65	use Digest::MD5 ();
26		66
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	67	AnyEvent::detect;
		68
		69	# configure various modules to our taste
		70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
		72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		79
		80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		82
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		84
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	85	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		86
36	our %COMMAND = ();	87	our %COMMAND = ();
37	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
38		89
39	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
43		95
		96	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	97	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
46		100
47	our $TICK = MAX_TIME * 1e-6;	101	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	102
49	our $AIO_POLL_WATCHER;	103	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
		108	our $LOCALDIR = localdir;
		109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		112	our $RANDOMDIR = "$LOCALDIR/random";
		113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
		124
		125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
52	our $NOW;	143	our $NOW;
53		144
54	our %CFG;	145	our (%PLAYER, %PLAYER_LOADING); # all users
55		146	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		148
67	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		151
		152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
		155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
70	binmode STDOUT;	165	binmode STDOUT;
71	binmode STDERR;	166	binmode STDERR;
72		167
73	# read virtual server time, if available	168	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	170	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
78	}	173	}
79		174
80	mkdir cf::localdir;	175	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	176
82	mkdir cf::localdir . "/" . cf::tmpdir;	177	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		179
86	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
87		181
88	sub cf::map::normalise;	182	sub cf::map::normalise;
89		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
90	#############################################################################	188	#############################################################################
91		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
92	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
93		202
94	=over 4	203	=over 4
95		204
96	=item $cf::UPTIME	205	=item $cf::UPTIME
97		206
98	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
99		223
100	=item $cf::RUNTIME	224	=item $cf::RUNTIME
101		225
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	227	every server tick.
104		228
105	=item $cf::LIBDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		232
107	The perl library directory, where extensions and cf-specific modules can	233	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		235	unique-items directory, player file directory, random maps directory and
		236	database environment.
109		237
		238	=item $cf::LOADAVG
		239
		240	The current CPU load on the server (alpha-smoothed), as a value between 0
		241	(none) and 1 (overloaded), indicating how much time is spent on processing
		242	objects per tick. Healthy values are < 0.5.
		243
110	=item $cf::NOW	244	=item $cf::LOAD
111		245
112	The time of the last (current) server tick.	246	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		247
118	=item %cf::CFG	248	=item %cf::CFG
119		249
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	251	from wherever your confdir points to.
122		252
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		254
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
129		287
130	=back	288	=back
131		289
132	=cut	290	=cut
133		291
134	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	299	my $msg = join "", @_;
137	utf8::encode $msg;
138		300
139	$msg .= "\n"	301	$msg .= "\n"
140	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
141		303
		304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		305
142	LOG llevError, $msg;	306	LOG llevWarn, $msg;
143	};	307	};
144	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
145		322
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	327	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		328	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	329	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		330
153	# we bless all objects into (empty) derived classes to force a method lookup	331	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	332	# within the Safe compartment.
155	for my $pkg (qw(	333	for my $pkg (qw(
156	cf::global cf::attachable	334	cf::global cf::attachable
157	cf::object cf::object::player	335	cf::object cf::object::player
158	cf::client cf::player	336	cf::client cf::player
159	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
160	cf::map cf::party cf::region	339	cf::party cf::region
161	)) {	340	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	342	}
165		343
166	$Event::DIED = sub {	344	$EV::DIED = sub {
167	warn "error in event callback: @_";	345	warn "error in event callback: $@";
168	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
169		354
170	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
171		356
172	=over 4	357	=over 4
173		358
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	378	$d
194	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
195	}	380	}
196		381
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
198		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
199	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
200		435
201	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
202		437
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
211		439
212	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
213		441
214	=cut	442	=cut
215		443
216	sub to_json($) {	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	445
218	JSON::Syck::Dump $_[0]	446	sub encode_json($) { $json_coder->encode ($_[0]) }
		447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
219	}	509	}
220		510
221	=item cf::lock_wait $string	511	=item cf::lock_wait $string
222		512
223	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
224		514
225	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
226		516
227	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
230	returned.	520	returned.
231		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
232	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
234		527
235	=cut	528	=item $locked = cf::lock_active $string
236		529
237	our %LOCK;	530	Return true if the lock is currently active, i.e. somebody has locked it.
		531
		532	=cut
		533
		534	our $LOCKS = new Coro::SemaphoreSet;
238		535
239	sub lock_wait($) {	536	sub lock_wait($) {
240	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	538	}
248		539
249	sub lock_acquire($) {	540	sub lock_acquire($) {
250	my ($key) = @_;	541	$LOCKS->guard ($_[0])
		542	}
251		543
252	# wait, to be sure we are not locked	544	sub lock_active($) {
253	lock_wait $key;	545	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	546	}
262		547
263	sub freeze_mainloop {	548	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
265		550
266	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	552	}
268	$WRITE_RUNTIME_WATCHER->start;	553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
269	};	621	}
270	$WRITE_RUNTIME_WATCHER->stop;	622	};
271	$TICK_WATCHER->stop;	623
272	$guard	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
273	}	637	}
274		638
275	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
276		640
277	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		646
283	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
284		648
285	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
286		650
287	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
290		655
291	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
294	fast or be very important.	659	fast or be very important.
…		…
296	=cut	661	=cut
297		662
298	sub sync_job(&) {	663	sub sync_job(&) {
299	my ($job) = @_;	664	my ($job) = @_;
300		665
301	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
302	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
304		671
305	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	673
307	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
308		675
309	my $busy = 1;	676	my $busy = 1;
310	my @res;	677	my @res;
311		678
312	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	681	@res = eval { $job->() };
314	warn $@ if $@;	682	error $@ if $@;
315	undef $busy;	683	undef $busy;
316	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
317		685
318	while ($busy) {	686	while ($busy) {
319	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
320	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
321		697
322	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
323	} else {	699	} else {
324	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
325		701
…		…
345	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
346		722
347	$coro	723	$coro
348	}	724	}
349		725
350	sub write_runtime {	726	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		727
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	728	Executes the given code block with the given arguments in a seperate
354	or return;	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
355		732
356	my $value = $cf::RUNTIME + 90 + 10;	733	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		734
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub post_fork {
361	and return;	736	reset_signals;
		737	}
362		738
363	aio_fsync $fh	739	sub fork_call(&@) {
364	and return;	740	my ($cb, @args) = @_;
365		741
366	close $fh	742	# we seemingly have to make a local copy of the whole thing,
367	or return;	743	# otherwise perl prematurely frees the stuff :/
		744	# TODO: investigate and fix (likely this will be rather laborious)
368		745
369	aio_rename "$runtime~", $runtime	746	my @res = Coro::Util::fork_eval {
370	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
371		750
		751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
372	1	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
		790	}
		791
		792	=item $value = cf::db_get $family => $key
		793
		794	Returns a single value from the environment database.
		795
		796	=item cf::db_put $family => $key => $value
		797
		798	Stores the given C<$value> in the family. It can currently store binary
		799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
		806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
		827
		828	our $DB;
		829
		830	sub db_init {
		831	$DB ||= db_table "db";
		832	}
		833
		834	sub db_get($$) {
		835	my $key = "$_[0]/$_[1]";
		836
		837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
		840	BDB::db_get $DB, undef, $key, my $data;
		841
		842	$! ? ()
		843	: $data
		844	}
		845
		846	sub db_put($$$) {
		847	BDB::dbreq_pri 4;
		848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		849	}
		850
		851	=item cf::cache $id => [$paths...], $processversion => $process
		852
		853	Generic caching function that returns the value of the resource $id,
		854	caching and regenerating as required.
		855
		856	This function can block.
		857
		858	=cut
		859
		860	sub cache {
		861	my ($id, $src, $processversion, $process) = @_;
		862
		863	my $meta =
		864	join "\x00",
		865	$processversion,
		866	map {
		867	aio_stat $_
		868	and Carp::croak "$_: $!";
		869
		870	($_, (stat _)[7,9])
		871	} @$src;
		872
		873	my $dbmeta = db_get cache => "$id/meta";
		874	if ($dbmeta ne $meta) {
		875	# changed, we may need to process
		876
		877	my @data;
		878	my $md5;
		879
		880	for (0 .. $#$src) {
		881	$data[$_] = load_file $src->[$_];
		882	}
		883
		884	# if processing is expensive, check
		885	# checksum first
		886	if (1) {
		887	$md5 =
		888	join "\x00",
		889	$processversion,
		890	map {
		891	cf::cede_to_tick;
		892	($src->[$_], Digest::MD5::md5_hex $data[$_])
		893	} 0.. $#$src;
		894
		895
		896	my $dbmd5 = db_get cache => "$id/md5";
		897	if ($dbmd5 eq $md5) {
		898	db_put cache => "$id/meta", $meta;
		899
		900	return db_get cache => "$id/data";
		901	}
		902	}
		903
		904	my $t1 = Time::HiRes::time;
		905	my $data = $process->(\@data);
		906	my $t2 = Time::HiRes::time;
		907
		908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		909
		910	db_put cache => "$id/data", $data;
		911	db_put cache => "$id/md5" , $md5;
		912	db_put cache => "$id/meta", $meta;
		913
		914	return $data;
		915	}
		916
		917	db_get cache => "$id/data"
		918	}
		919
		920	=item cf::datalog type => key => value, ...
		921
		922	Log a datalog packet of the given type with the given key-value pairs.
		923
		924	=cut
		925
		926	sub datalog($@) {
		927	my ($type, %kv) = @_;
		928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	929	}
374		930
375	=back	931	=back
376		932
377	=cut	933	=cut
378		934
379	#############################################################################	935	#############################################################################
380		936
381	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
382		938
383	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
386		942
387	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	945	Deliantra).
390		946
391	=over 4	947	=over 4
392		948
393	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
394		950
…		…
438	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
439		995
440	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
442		998
443	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
445		1001
446	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
447		1003
448	=over 4	1004	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
558		1114
559	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1119
564	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
566		1122
567	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
572		1128
573	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1131
576	} elsif (ref $type) {	1132	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
578		1134
579	} else {	1135	} else {
580	shift @arg;	1136	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
582	}	1138	}
583	}	1139	}
584	}	1140	}
585		1141
586	sub _object_attach {	1142	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
597	}	1153	}
598		1154
599	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
600	} else {	1156	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1158	}
603		1159
604	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
605	}	1161	}
606		1162
…		…
608	if (ref $_[0]) {	1164	if (ref $_[0]) {
609	_object_attach @_;	1165	_object_attach @_;
610	} else {	1166	} else {
611	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
612	}	1168	}
		1169	_recalc_want;
613	};	1170	};
614		1171
615	# all those should be optimised	1172	# all those should be optimised
616	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1178	reattach ($obj);
622	} else {	1179	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
624	}	1181	}
		1182	_recalc_want;
625	};	1183	};
626		1184
627	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
629		1187
…		…
644	";	1202	";
645	die if $@;	1203	die if $@;
646	}	1204	}
647		1205
648	our $override;	1206	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1208
651	sub override {	1209	sub override {
652	$override = 1;	1210	$override = 1;
653	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
654	}	1212	}
655		1213
656	sub do_invoke {	1214	sub do_invoke {
657	my $event = shift;	1215	my $event = shift;
658	my $callbacks = shift;	1216	my $callbacks = shift;
659		1217
660	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
661		1219
662	local $override;	1220	local $override;
663		1221
664	for (@$callbacks) {	1222	for (@$callbacks) {
665	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
666		1224
667	if ($@) {	1225	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1227	override;
671	}	1228	}
672		1229
673	return 1 if $override;	1230	return 1 if $override;
674	}	1231	}
675		1232
676	0	1233	0
677	}	1234	}
678		1235
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1237
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1239
683	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
684		1241
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1245
689	=back	1246	=back
690		1247
691	=cut	1248	=cut
692		1249
693	#############################################################################	1250	#############################################################################
694	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
695		1294
696	sub reattach {	1295	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1297	my ($obj) = @_;
699		1298
		1299	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1301
702	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
703		1303
704	@$registry = ();	1304	@$registry = ();
705		1305
…		…
710	for (@$attach) {	1310	for (@$attach) {
711	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
713	}	1313	}
714	} else {	1314	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1316	}
717	}	1317	}
718	}	1318	}
719		1319
720	cf::attachable->attach (	1320	cf::attachable->attach (
721	prio => -1000000,	1321	prio => -1000000,
722	on_instantiate => sub {	1322	on_instantiate => sub {
723	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
724		1324
725	$data = from_json $data;	1325	$data = decode_json $data;
726		1326
727	for (@$data) {	1327	for (@$data) {
728	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
729		1329
730	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1346	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
748		1348
749	sync_job {	1349	sync_job {
750	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
753		1355
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1359	if ($cf::USE_FSYNC) {
		1360	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;
757	aio_fsync $fh;	1361	aio_fsync $fh;
		1362	}
758	close $fh;	1363	aio_close $fh;
759		1364
760	if (@$objs) {	1365	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
		1370	if ($cf::USE_FSYNC) {
		1371	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;
765	aio_fsync $fh;	1372	aio_fsync $fh;
		1373	}
766	close $fh;	1374	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
768	}	1376	}
769	} else {	1377	} else {
770	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
771	}	1379	}
772		1380
773	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1385	} else {
775	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
776	}	1387	}
777	} else {	1388	} else {
778	aio_unlink $filename;	1389	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
780	}	1391	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1392	};
788	}	1393	}
789		1394
790	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
792		1397
…		…
797		1402
798	sub object_thawer_load {	1403	sub object_thawer_load {
799	my ($filename) = @_;	1404	my ($filename) = @_;
800		1405
801	my ($data, $av);	1406	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1407
806	(aio_load $filename, $data) >= 0	1408	(aio_load $filename, $data) >= 0
807	or return;	1409	or return;
808		1410
809	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
811	or return;	1413	or return;
		1414
812	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
813	}	1417	}
814		1418
		1419	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
817	return ($data, $av);	1424	($data, $av)
818	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
819		1432
820	#############################################################################	1433	#############################################################################
821	# command handling &c	1434	# command handling &c
822		1435
823	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1450	}
838		1451
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1453
841	Register a callbackf ro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
842		1459
843	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
844	called.	1461	called.
845		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
846	=cut	1474	=cut
847		1475
848	sub register_extcmd {	1476	sub register_extcmd {
849	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
850		1478
851	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
852	}	1480	}
853		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
854	cf::player->attach (	1490	cf::player->attach (
855	on_command => sub {	1491	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
857		1493
858	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
859	or return;	1495	or return;
860		1496
…		…
865	cf::override;	1501	cf::override;
866	},	1502	},
867	on_extcmd => sub {	1503	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
869		1505
870	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1507
872	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
878	} else {	1520	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1522	}
881		1523
882	cf::override;	1524	cf::override;
883	},	1525	},
884	);	1526	);
885		1527
		1528	# "readahead" all extensions
886	sub load_extension {	1529	sub cache_extensions {
887	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
888		1531
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1535	}
914	die $@;
915	}	1536	};
916		1537
917	push @EXTS, $pkg;	1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
918	}	1550	}
919		1551
920	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
921	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1561	next unless -r $path;
923	eval {	1562
924	load_extension $ext;	1563	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1564	my $base = $1;
		1565	my $pkg = $1;
		1566	$pkg =~ s/[^[:word:]]/_/g;
		1567	$pkg = "ext::$pkg";
		1568
		1569	open my $fh, "<:utf8", $path
		1570	or die "$path: $!";
		1571
		1572	my $source = do { local $/; <$fh> };
		1573
		1574	my %ext = (
		1575	path => $path,
		1576	base => $base,
		1577	pkg => $pkg,
		1578	);
		1579
		1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1582
		1583	$ext{source} =
		1584	"package $pkg; use common::sense;\n"
		1585	. "#line 1 \"$path\"\n{\n"
		1586	. $source
		1587	. "\n};\n1";
		1588
		1589	$todo{$base} = \%ext;
		1590	}
		1591
		1592	my $pass = 0;
		1593	my %done;
		1594	while (%todo) {
		1595	my $progress;
		1596
		1597	++$pass;
		1598
		1599	ext:
		1600	while (my ($k, $v) = each %todo) {
		1601	for (split /,\s*/, $v->{meta}{depends}) {
		1602	next ext
		1603	unless exists $done{$_};
		1604	}
		1605
		1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1607
		1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
		1620	error "$v->{path}: $@\n";
		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1623	if exists $v->{meta}{mandatory};
		1624
		1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
		1634	}
925	1	1635	}
926	} or warn "$ext not loaded: $@";	1636
		1637	unless ($progress) {
		1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
		1647	}
927	}	1648	};
928	}	1649	}
929		1650
930	#############################################################################	1651	#############################################################################
931		1652
		1653	=back
		1654
932	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
933		1656
934	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
935		1658
936	=cut	1659	=cut
937		1660
938	package cf::player;	1661	package cf::player;
939		1662
…		…
941		1664
942	=head3 cf::player	1665	=head3 cf::player
943		1666
944	=over 4	1667	=over 4
945		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
		1682
946	=item cf::player::find $login	1683	=item cf::player::find $login
947		1684
948	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
949		1686
950	=cut	1687	=cut
951		1688
952	sub playerdir($) {	1689	sub playerdir($) {
953	cf::localdir	1690	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1691	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1692	}
959		1693
960	sub path($) {	1694	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1695	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1696
963	(playerdir $login) . "/$login.pl"	1697	(playerdir $login) . "/playerdata"
964	}	1698	}
965		1699
966	sub find_active($) {	1700	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1701	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1702	and $cf::PLAYER{$_[0]}->active
…		…
971		1705
972	sub exists($) {	1706	sub exists($) {
973	my ($login) = @_;	1707	my ($login) = @_;
974		1708
975	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
977	}	1711	}
978		1712
979	sub find($) {	1713	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1715	my $login = $_[0];
982		1716
983	my $guard = cf::lock_acquire "user_find:$login";	1717	my $guard = cf::lock_acquire "user_find:$login";
984		1718
985	$cf::PLAYER{$_[0]} || do {	1719	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1720	# rename old playerfiles to new ones
		1721	#TODO: remove when no longer required
		1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1725	aio_unlink +(playerdir $login) . "/$login.pl";
		1726
		1727	my $f = new_from_file cf::object::thawer path $login
987	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
989	}	1736	}
990	}	1737	}
991	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
992		1752
993	sub save($) {	1753	sub save($) {
994	my ($pl) = @_;	1754	my ($pl) = @_;
995		1755
996	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1002		1762
1003	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1005		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1006	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1007	Coro::cede;	1772	cf::cede_to_tick;
1008	}	1773	}
1009		1774
1010	sub new($) {	1775	sub new($) {
1011	my ($login) = @_;	1776	my ($login) = @_;
1012		1777
…		…
1018	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1019		1784
1020	$self	1785	$self
1021	}	1786	}
1022		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1023	=item $pl->quit_character	1798	=item $pl->quit_character
1024		1799
1025	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1027		1802
1028	=cut	1803	=cut
1029		1804
1030	sub quit_character {	1805	sub quit_character {
1031	my ($pl) = @_;	1806	my ($pl) = @_;
1032		1807
		1808	my $name = $pl->ob->name;
		1809
1033	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1812
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1039	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1040		1821
1041	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1825	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1826	$pl->destroy;
		1827
		1828	my $prefix = qr<^~\Q$name\E/>;
		1829
		1830	# nuke player maps
		1831	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1832
1046	IO::AIO::aio_rmtree $temp;	1833	IO::AIO::aio_rmtree $temp;
		1834	}
		1835
		1836	=item $pl->kick
		1837
		1838	Kicks a player out of the game. This destroys the connection.
		1839
		1840	=cut
		1841
		1842	sub kick {
		1843	my ($pl, $kicker) = @_;
		1844
		1845	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1846	$pl->killer ("kicked");
		1847	$pl->ns->destroy;
1047	}	1848	}
1048		1849
1049	=item cf::player::list_logins	1850	=item cf::player::list_logins
1050		1851
1051	Returns am arrayref of all valid playernames in the system, can take a	1852	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1853	while and may block, so not sync_job-capable, ever.
1053		1854
1054	=cut	1855	=cut
1055		1856
1056	sub list_logins {	1857	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1858	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1859	or return [];
1059		1860
1060	my @logins;	1861	my @logins;
1061		1862
1062	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1066		1873
1067	utf8::decode $login;	1874	utf8::decode $login;
1068	push @logins, $login;	1875	push @logins, $login;
1069	}	1876	}
1070		1877
1071	\@logins	1878	\@logins
1072	}	1879	}
1073		1880
1074	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1075		1884
1076	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1077	player. May block.	1886	player. May block.
1078		1887
1079	=cut	1888	=cut
…		…
1097	}	1906	}
1098		1907
1099	\@paths	1908	\@paths
1100	}	1909	}
1101		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1103		1916
1104	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1105		1918
1106	=cut	1919	=cut
1107		1920
1108	sub ext_reply($$$%) {	1921	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1110		1923
1111	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1925	}
1115		1926
1116	package cf;	1927	=item $player->ext_msg ($type, @msg)
		1928
		1929	Sends an ext event to the client.
		1930
		1931	=cut
		1932
		1933	sub ext_msg($$@) {
		1934	my ($self, $type, @msg) = @_;
		1935
		1936	$self->ns->ext_msg ($type, @msg);
		1937	}
		1938
		1939	=head3 cf::region
		1940
		1941	=over 4
		1942
		1943	=cut
		1944
		1945	package cf::region;
		1946
		1947	=item cf::region::find_by_path $path
		1948
		1949	Tries to decuce the likely region for a map knowing only its path.
		1950
		1951	=cut
		1952
		1953	sub find_by_path($) {
		1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
		1958	my ($match, $specificity);
		1959
		1960	for my $region (list) {
		1961	if ($region->{match} && $path =~ $region->{match}) {
		1962	($match, $specificity) = ($region, $region->specificity)
		1963	if $region->specificity > $specificity;
		1964	}
		1965	}
		1966
		1967	$match
		1968	}
1117		1969
1118	=back	1970	=back
1119
1120		1971
1121	=head3 cf::map	1972	=head3 cf::map
1122		1973
1123	=over 4	1974	=over 4
1124		1975
…		…
1136	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1138		1989
1139	sub generate_random_map {	1990	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1141	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1142	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1153	(cf::region::find $rmp->{region}), $rmp->{custom}
1154	)
1155	}	1996	}
1156		1997
1157	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1158		1999
1159	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1164		2005
1165	sub register {	2006	sub register {
1166	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	2008	my $pkg = caller;
1168		2009
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		2011
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	2013	}
1174		2014
1175	# also paths starting with '/'	2015	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		2017
1178	sub thawer_merge {	2018	sub thawer_merge {
1179	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1180		2020
1181	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1182	local $self->{path};	2022	local $self->{path};
1183	local $self->{load_path};	2023	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		2024
1187	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1188	}	2026	}
1189		2027
1190	sub normalise {	2028	sub normalise {
1191	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1192		2030
1193	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1194		2032
1195	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1196		2034
1197	# map plan:	2035	# map plan:
1198	#	2036	#
…		…
1213	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1214	$path = "$base/$path";	2052	$path = "$base/$path";
1215	}	2053	}
1216		2054
1217	for ($path) {	2055	for ($path) {
1218	redo if s{//}{/};
1219	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1220	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1221	}	2058	}
1222		2059
1223	$path	2060	$path
…		…
1237	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1238	return $self;	2075	return $self;
1239	}	2076	}
1240	}	2077	}
1241		2078
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	2080	()
1244	}	2081	}
1245		2082
		2083	# may re-bless or do other evil things
1246	sub init {	2084	sub init {
1247	my ($self) = @_;	2085	my ($self) = @_;
1248		2086
1249	$self	2087	$self
1250	}	2088	}
…		…
1262		2100
1263	# the original (read-only) location	2101	# the original (read-only) location
1264	sub load_path {	2102	sub load_path {
1265	my ($self) = @_;	2103	my ($self) = @_;
1266		2104
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2105	"$MAPDIR/$self->{path}.map"
1268	}	2106	}
1269		2107
1270	# the temporary/swap location	2108	# the temporary/swap location
1271	sub save_path {	2109	sub save_path {
1272	my ($self) = @_;	2110	my ($self) = @_;
1273		2111
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2113	"$TMPDIR/$path.map"
1276	}	2114	}
1277		2115
1278	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1279	sub uniq_path {	2117	sub uniq_path {
1280	my ($self) = @_;	2118	my ($self) = @_;
1281		2119
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2121	"$UNIQUEDIR/$path"
1284	}	2122	}
1285		2123
1286	# and all this just because we cannot iterate over	2124	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	2125	my ($self) = @_;
1290		2126
1291	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1293	}	2130	}
1294		2131
1295	sub unlink_save {	2132	sub unlink_save {
1296	my ($self) = @_;	2133	my ($self) = @_;
1297		2134
1298	utf8::encode (my $save = $self->save_path);	2135	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2136	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2137	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	2138	}
1307		2139
1308	sub load_header_from($) {	2140	sub load_header_from($) {
1309	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1310		2142
1311	utf8::encode $path;	2143	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	2145	or return;
1317		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1318	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1319		2154
1320	1	2155	1
1321	}	2156	}
1322		2157
		2158	# used to laod the header of an original map
1323	sub load_header_orig {	2159	sub load_header_orig {
1324	my ($self) = @_;	2160	my ($self) = @_;
1325		2161
1326	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1327	}	2163	}
1328		2164
		2165	# used to laod the header of an instantiated map
1329	sub load_header_temp {	2166	sub load_header_temp {
1330	my ($self) = @_;	2167	my ($self) = @_;
1331		2168
1332	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1333	}	2170	}
1334		2171
		2172	# called after loading the header from an instantiated map
1335	sub prepare_temp {	2173	sub prepare_temp {
1336	my ($self) = @_;	2174	my ($self) = @_;
1337		2175
1338	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1339	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1340	# safety	2178	# safety
1341	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1342	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1343	}	2181	}
1344		2182
		2183	# called after loading the header from an original map
1345	sub prepare_orig {	2184	sub prepare_orig {
1346	my ($self) = @_;	2185	my ($self) = @_;
1347		2186
1348	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1349	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1360	$self->load_header_orig	2199	$self->load_header_orig
1361	or return;	2200	or return;
1362	$self->prepare_orig;	2201	$self->prepare_orig;
1363	}	2202	}
1364		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
		2207	$self->default_region (cf::region::find_by_path $self->{path})
		2208	unless $self->default_region;
		2209
1365	1	2210	1
1366	}	2211	}
1367		2212
1368	sub find;	2213	sub find;
1369	sub find {	2214	sub find {
1370	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1371		2216
		2217	cf::cede_to_tick;
		2218
1372	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1373		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2223
1376	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1379	or return;	2226	or return;
1380		2227
1381	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1382		2229
1383	$map->load_header	2230	$map->load_header
1384	or return;	2231	or return;
1385		2232
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1389	$map->reset;	2238	$map->reset;
1390	undef $guard;
1391	return find $path;	2239	return find $path;
1392	}	2240	}
1393		2241
1394	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1395	}	2243	}
1396	}	2244	}
1397		2245
1398	sub pre_load { }	2246	sub pre_load { }
1399	sub post_load { }	2247	#sub post_load { } # XS
1400		2248
1401	sub load {	2249	sub load {
1402	my ($self) = @_;	2250	my ($self) = @_;
1403		2251
1404	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1405		2253
1406	my $path = $self->{path};	2254	my $path = $self->{path};
		2255
		2256	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1408		2258
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2259	return unless $self->valid;
		2260	return unless $self->state == cf::MAP_SWAPPED;
1410		2261
1411	$self->in_memory (cf::MAP_LOADING);
1412
1413	$self->alloc;	2262	$self->alloc;
1414		2263
1415	$self->pre_load;	2264	$self->pre_load;
		2265	cf::cede_to_tick;
1416		2266
1417	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1418	or return;	2271	or return;
1419		2272
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1421	if delete $self->{load_original};	2274	if delete $self->{load_original};
1422		2275
1423	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2277	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2280	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1428	}	2285	}
1429	}
1430		2286
1431	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
1432		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1433	# now do the right thing for maps	2296	# now do the right thing for maps
1434	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2299	unless $self->difficulty;
1444	Coro::cede;	2300	cf::cede_to_tick;
1445	$self->activate;	2301
		2302	unless ($self->{deny_activate}) {
		2303	$self->decay_objects;
		2304	$self->fix_auto_apply;
		2305	$self->update_buttons;
		2306	cf::cede_to_tick;
		2307	#$self->activate; # no longer activate maps automatically
		2308	}
		2309
		2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1446	}	2312	}
1447		2313
1448	$self->post_load;	2314	$self->post_load;
1449		2315
1450	$self->in_memory (cf::MAP_IN_MEMORY);	2316	1
1451	}	2317	}
1452		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1453	sub customise_for {	2322	sub customise_for {
1454	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1455		2324
1456	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2326	if $self->per_player;
1458		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1459	$self	2331	$self
1460	}
1461
1462	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {
1464	my ($map) = @_;
1465
1466	my @diag; # diagonal neighbours
1467
1468	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)
1470	or next;
1471	$neigh = find $neigh, $map
1472	or next;
1473	$neigh->load;
1474
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}
1478
1479	for (@diag) {
1480	my $neigh = find @$_
1481	or next;
1482	$neigh->load;
1483	}
1484	}	2332	}
1485		2333
1486	sub find_sync {	2334	sub find_sync {
1487	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1488		2336
1489	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1490	}	2342	}
1491		2343
1492	sub do_load_sync {	2344	sub do_load_sync {
1493	my ($map) = @_;	2345	my ($map) = @_;
1494		2346
1495	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1496	}	2352	}
1497		2353
1498	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1500		2356
1501	sub find_async {	2357	sub find_async {
1502	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1503		2359
1504	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1505		2361
1506	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1508	}	2364	}
1509		2365
1510	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1511	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1512	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2373	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2374	$map->load if $v;
		2375	}
1517		2376
1518	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1519	}	2378	}
1520	}	2379	}
1521	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1522	};	2381	};
1523	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1524		2383
1525	()	2384	()
1526	}	2385	}
1527		2386
		2387	# common code, used by both ->save and ->swapout
1528	sub save {	2388	sub _save {
1529	my ($self) = @_;	2389	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2390
1533	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1534		2392
1535	return unless $self->dirty;	2393	return unless $self->dirty;
1536		2394
…		…
1542	return if $self->{deny_save};	2400	return if $self->{deny_save};
1543		2401
1544	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1545		2403
1546	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1548	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1549		2410
1550	if ($uniq) {	2411	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2414	} else {
1554	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1555	}	2416	}
1556	}	2417	}
1557		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1558	sub swap_out {	2427	sub swap_out {
1559	my ($self) = @_;	2428	my ($self) = @_;
1560		2429
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1566	return if $self->players;	2434	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1570	$self->clear;	2445	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2446	}
1573		2447
1574	sub reset_at {	2448	sub reset_at {
1575	my ($self) = @_;	2449	my ($self) = @_;
1576		2450
1577	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1580		2453
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2456
…		…
1594	my ($self) = @_;	2467	my ($self) = @_;
1595		2468
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2470
1598	return if $self->players;	2471	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2472
1601	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
		2474
		2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
1602		2484
1603	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1604		2486
1605	$self->in_memory (cf::MAP_SWAPPED);	2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2489	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2490
1610	$self->unlink_save;	2491	$self->unlink_save;
1611	$self->destroy;	2492	$self->destroy;
1612	}	2493	}
1613		2494
1614	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1615		2496
1616	sub nuke {	2497	sub nuke {
1617	my ($self) = @_;	2498	my ($self) = @_;
1618		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1619	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1620		2504
1621	$self->unlink_save;	2505	$self->unlink_save;
1622		2506
1623	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2512
1629	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1630		2515
1631	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
		2517	}
		2518
		2519	=item $maps = cf::map::tmp_maps
		2520
		2521	Returns an arrayref with all map paths of currently instantiated and saved
		2522	maps. May block.
		2523
		2524	=cut
		2525
		2526	sub tmp_maps() {
		2527	[
		2528	map {
		2529	utf8::decode $_;
		2530	/\.map$/
		2531	? normalise $_
		2532	: ()
		2533	} @{ aio_readdir $TMPDIR or [] }
		2534	]
		2535	}
		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
1632	}	2553	}
1633		2554
1634	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1635		2556
1636	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2558	instantiated unique items. May block.
1638		2559
1639	=cut	2560	=cut
1640		2561
1641	sub unique_maps() {	2562	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2563	[
1643	or return;	2564	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2565	utf8::decode $_;
1649	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2568	? ()
1652	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2571	]
1654
1655	\@paths
1656	}	2572	}
1657		2573
1658	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1659		2605
1660	=back	2606	=back
1661		2607
1662	=head3 cf::object	2608	=head3 cf::object
1663		2609
…		…
1667		2613
1668	=over 4	2614	=over 4
1669		2615
1670	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1671		2617
1672	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1673		2620
1674	=cut	2621	=cut
1675		2622
1676	sub inv_recursive_;	2623	sub inv_recursive_;
1677	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1680		2627
1681	sub inv_recursive {	2628	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1683	}	2630	}
1684		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1685	package cf;	2660	package cf;
1686		2661
1687	=back	2662	=back
1688		2663
1689	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1698		2673
1699	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1700		2689
1701	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2691	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1706		2695
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2697
1709	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1711	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1714	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1715	}	2723	}
1716		2724
1717	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1718		2726
1719	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1732		2740
1733	=item $player_object->enter_link	2741	=item $player_object->enter_link
1734		2742
1735	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1736		2744
1737	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1738	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1739		2749
1740	Will never block.	2750	Will never block.
1741		2751
1742	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1743		2753
…		…
1763	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2774	my ($self) = @_;
1765		2775
1766	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1767		2777
		2778	++$self->{_link_recursion};
		2779
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2781
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1772		2784
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2786	}
1775		2787
1776	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1778		2792
1779	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1780		2794
1781	unless ($map) {	2795	unless ($map) {
1782	# restore original map position	2796	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1795		2809
1796	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1799		2813
1800	$map->load;	2814	$map->load;
1801	$map->load_diag;
1802		2815
1803	return unless $self->contr->active;	2816	return unless $self->contr->active;
		2817
		2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2819	if ($self->enter_map ($map, $x, $y)) {
		2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2823	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2824	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2825
1822	# try to abort aborted map switching on player login :)	2826	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2827
1840	=item $player_object->goto ($path, $x, $y)	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		2829
		2830	Moves the player to the given map-path and coordinates by first freezing
		2831	her, loading and preparing them map, calling the provided $check callback
		2832	that has to return the map if sucecssful, and then unfreezes the player on
		2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
1842	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1843		2842
1844	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
		2852	# do generation counting so two concurrent goto's will be executed in-order
		2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2854
1847	$self->enter_link;	2855	$self->enter_link;
1848		2856
1849	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1850	my $map = eval {	2879	my $map = eval {
1851	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2881
		2882	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2883	$map = $map->customise_for ($self);
		2884	$map = $check->($map, $x, $y, $self) if $check && $map;
		2885	} else {
		2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888
1853	$map	2889	$map
		2890	};
		2891
		2892	if ($@) {
		2893	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2894	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2895	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
1858	})->prio (1);	2903	})->prio (1);
1859	}	2904	}
1860		2905
1861	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1862		2907
…		…
1882	}	2927	}
1883		2928
1884	sub prepare_random_map {	2929	sub prepare_random_map {
1885	my ($exit) = @_;	2930	my ($exit) = @_;
1886		2931
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2934	# that depends on the exit object
1892		2935
1893	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2938	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
1900	}	2945	}
1901		2946
1902	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
1903		2948
1904	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
1907		2952
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2955	undef $fh;
1911	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
1912		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
1915	}	2964	}
1916	}	2965	}
1917		2966
1918	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
1920		2969
1921	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
1922		2971
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2972	$self->enter_link;
1933		2973
1934	(async {	2974	(async {
1935	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
1936	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
1937	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
1938		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
1939	1;	3013	1
1940	}) {	3014	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
1945		3019
1946	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	3021	$self->leave_link;
1948	}	3022	}
1949	})->prio (1);	3023	})->prio (1);
1950	}	3024	}
1951		3025
…		…
1962		3036
1963	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
1965		3039
1966	utf8::encode $text;	3040	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	3042	}
1969		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
		3231	=item $client->ext_msg ($type, @msg)
		3232
		3233	Sends an ext event to the client.
		3234
		3235	=cut
		3236
		3237	sub cf::client::ext_msg($$@) {
		3238	my ($self, $type, @msg) = @_;
		3239
		3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3253	}
1970		3254
1971	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
1972		3256
1973	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3258	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3259	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		3260
1977	Queries can fail, so check the return code. Or don't, as queries will become	3261	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	3262	become reliable at some point in the future.
1979		3263
1980	=cut	3264	=cut
1981		3265
1982	sub cf::client::query {	3266	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3275	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3277
1994	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
1996	}	3282	}
1997		3283
1998	cf::client->attach (	3284	cf::client->attach (
		3285	on_connect => sub {
		3286	my ($ns) = @_;
		3287
		3288	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3289	},
1999	on_reply => sub {	3290	on_reply => sub {
2000	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2001		3292
2002	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2003	# get handled first	3294	# get handled first
…		…
2015	} else {	3306	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3308	}
2018	}	3309	}
2019	},	3310	},
		3311	on_exticmd => sub {
		3312	my ($ns, $buf) = @_;
		3313
		3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3315
		3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
		3321	if (my $cb = $EXTICMD{$type}) {
		3322	@reply = $cb->($ns, @payload);
		3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
		3328	} else {
		3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3330	}
		3331
		3332	cf::override;
		3333	},
2020	);	3334	);
2021		3335
2022	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2023		3337
2024	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3354
2041	$coro	3355	$coro
2042	}	3356	}
2043		3357
2044	cf::client->attach (	3358	cf::client->attach (
2045	on_destroy => sub {	3359	on_client_destroy => sub {
2046	my ($ns) = @_;	3360	my ($ns) = @_;
2047		3361
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3363	},
2050	);	3364	);
…		…
2065	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2067		3381
2068	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2069		3383
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2071		3389
2072	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2073		3391
2074	=pod	3392	=pod
2075		3393
2076	The following fucntions and emthods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2077		3395
2078	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2079	cf::object::player player	3401	cf::object::player
2080	cf::player peaceful	3402	player
2081	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2082		3409
2083	=cut	3410	=cut
2084		3411
2085	for (	3412	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2087	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2090	) {	3419	) {
2091	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2094	for @funs;	3422	for @funs;
2095	}	3423	}
2096		3424
…		…
2111		3439
2112	my $qcode = $code;	3440	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2115		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2116	local $_;	3447	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3448
2119	my $eval =	3449	my $eval =
2120	"do {\n"	3450	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3453	. $code
2124	. "\n}"	3454	. "\n}"
2125	;	3455	;
2126		3456
		3457	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2130		3466
2131	if ($@) {	3467	if ($@) {
2132	warn "$@";	3468	warn "$@",
2133	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2134	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2135	}	3471	}
2136		3472
2137	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2138	}	3474	}
2139		3475
…		…
2153	=cut	3489	=cut
2154		3490
2155	sub register_script_function {	3491	sub register_script_function {
2156	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2157		3493
2158	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2160	}	3496	}
2161		3497
2162	=back	3498	=back
2163		3499
2164	=cut	3500	=cut
2165
2166	#############################################################################
2167
2168	=head2 EXTENSION DATABASE SUPPORT
2169
2170	Crossfire maintains a very simple database for extension use. It can
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173
2174	The parameter C<$family> should best start with the name of the extension
2175	using it, it should be unique.
2176
2177	=over 4
2178
2179	=item $hashref = cf::db_get $family
2180
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}
2217
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}
2229
2230	my $dirty;
2231
2232	sub db_sync() {
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},
2271	);
2272	}
2273		3501
2274	#############################################################################	3502	#############################################################################
2275	# the server's init and main functions	3503	# the server's init and main functions
2276		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
		3529	sub load_facedata($) {
		3530	my ($path) = @_;
		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
		3538	trace "loading facedata from $path\n";
		3539
		3540	my $facedata = decode_storable load_file $path;
		3541
		3542	$facedata->{version} == 2
		3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3544
		3545	cf::cede_to_tick;
		3546
		3547	{
		3548	my $faces = $facedata->{faceinfo};
		3549
		3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
		3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
		3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
		3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
		3562	}
		3563
		3564	while (my ($face, $info) = each %$faces) {
		3565	next unless $info->{smooth};
		3566
		3567	my $idx = cf::face::find $face
		3568	or next;
		3569
		3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
		3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3573	} else {
		3574	error "smooth face '$info->{smooth}' not found for face '$face'";
		3575	}
		3576
		3577	cf::cede_to_tick;
		3578	}
		3579	}
		3580
		3581	{
		3582	my $anims = $facedata->{animinfo};
		3583
		3584	while (my ($anim, $info) = each %$anims) {
		3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3586	cf::cede_to_tick;
		3587	}
		3588
		3589	cf::anim::invalidate_all; # d'oh
		3590	}
		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
		3614	1
		3615	}
		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
2277	sub load_resources {	3625	sub load_resource_file($) {
2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
		3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
		3653	load_resource_file "$MAPDIR/regions"
2279	or die "unable to load regions file\n";#d#	3654	or die "unable to load regions file\n";
2280	}
2281		3655
2282	sub cfg_load {	3656	for (cf::region::list) {
2283	open my $fh, "<:utf8", cf::confdir . "/config"	3657	$_->{match} = qr/$_->{match}/
2284	or return;	3658	if exists $_->{match};
		3659	}
		3660	}
2285		3661
2286	local $/;	3662	sub reload_facedata {
2287	*CFG = YAML::Syck::Load <$fh>;	3663	load_facedata "$DATADIR/facedata"
		3664	or die "unable to load facedata\n";
		3665	}
2288		3666
		3667	sub reload_archetypes {
		3668	load_resource_file "$DATADIR/archetypes"
		3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
		3679	}
		3680
		3681	sub reload_treasures {
		3682	load_resource_file "$DATADIR/treasures"
		3683	or die "unable to load treasurelists\n";
		3684	}
		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	#d# move docstuff to help or so
		3707	our %DOCSTRING;
		3708
		3709	sub reload_pod {
		3710	trace "loading pods $PODDIR\n";
		3711
		3712	%DOCSTRING = ();
		3713	my @command_list;
		3714
		3715	for (
		3716	[0, "command_help"],
		3717	[1, "emote_help"],
		3718	[2, "dmcommand_help"],
		3719	) {
		3720	my ($type, $path) = @$_;
		3721
		3722	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3723	or die "unable to load $path";
		3724
		3725	my $level = 1e9;
		3726	my $rpar;
		3727
		3728	for my $par (@$paragraphs) {
		3729	if ($par->{type} eq "head2") {
		3730	# this code taken almost verbatim from DC/Protocol.pm
		3731
		3732	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3733	my $cmd = $1;
		3734	my @args = split /\|/, $2;
		3735	@args = (".*") unless @args;
		3736
		3737	$_ = $_ eq ".*" ? "" : " $_"
		3738	for @args;
		3739
		3740	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3741
		3742	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3743
		3744	push @command_list, [$type, \@variants];
		3745	$level = $par->{level};
		3746	} else {
		3747	error "$par->{markup}: unparsable command heading";
		3748	}
		3749	} elsif ($par->{level} > $level) {
		3750	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3751	}
		3752
		3753	cf::cede_to_tick;
		3754	}
		3755	}
		3756
		3757	@command_list = sort {
		3758	$a->[0] <=> $b->[0]
		3759	or $a->[1] cmp $b->[1]
		3760	} @command_list;
		3761
		3762	cf::cede_to_tick;
		3763
		3764	add_face "res/command_list" => FT_RSRC,
		3765	JSON::XS->new->utf8->encode (\@command_list);
		3766	}
		3767
		3768	sub reload_resources {
		3769	trace "reloading resource files...\n";
		3770
		3771	reload_materials;
		3772	reload_facedata;
		3773	reload_exp_table;
		3774	reload_sound;
		3775	reload_archetypes;
		3776	reload_regions;
		3777	reload_treasures;
		3778	reload_pod;
		3779
		3780	trace "finished reloading resource files\n";
		3781	}
		3782
		3783	sub reload_config {
		3784	trace "reloading config file...\n";
		3785
		3786	my $config = load_file "$CONFDIR/config";
		3787	utf8::decode $config;
		3788	*CFG = decode_yaml $config;
		3789
2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3790	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2290		3791
2291	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3792	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2292	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3793	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2293		3794
2294	if (exists $CFG{mlockall}) {	3795	if (exists $CFG{mlockall}) {
…		…
2298	};	3799	};
2299	warn $@ if $@;	3800	warn $@ if $@;
2300	}	3801	}
2301	}	3802	}
2302		3803
2303	sub init {	3804	sub pidfile() {
2304	load_resources;	3805	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3806	or die "$PIDFILE: $!";
		3807	flock $fh, &Fcntl::LOCK_EX
		3808	or die "$PIDFILE: flock: $!";
		3809	$fh
		3810	}
		3811
		3812	# make sure only one server instance is running at any one time
		3813	sub atomic {
		3814	my $fh = pidfile;
		3815
		3816	my $pid = <$fh>;
		3817	kill 9, $pid if $pid > 0;
		3818
		3819	seek $fh, 0, 0;
		3820	print $fh $$;
		3821	}
		3822
		3823	sub main_loop {
		3824	trace "EV::loop starting\n";
		3825	if (1) {
		3826	EV::loop;
		3827	}
		3828	trace "EV::loop returned\n";
		3829	goto &main_loop unless $REALLY_UNLOOP;
2305	}	3830	}
2306		3831
2307	sub main {	3832	sub main {
		3833	cf::init_globals; # initialise logging
		3834
		3835	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3836	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3837	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3838	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3839
		3840	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3841
2308	# we must not ever block the main coroutine	3842	# we must not ever block the main coroutine
2309	local $Coro::idle = sub {	3843	$Coro::idle = sub {
2310	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3844	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2311	(async {	3845	(async {
2312	Event::one_event;	3846	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3847	EV::loop EV::LOOP_ONESHOT;
2313	})->prio (Coro::PRIO_MAX);	3848	})->prio (Coro::PRIO_MAX);
2314	};	3849	};
2315		3850
2316	cfg_load;	3851	evthread_start IO::AIO::poll_fileno;
2317	db_load;	3852
		3853	cf::sync_job {
		3854	cf::incloader::init ();
		3855
		3856	db_init;
		3857
		3858	cf::init_anim;
		3859	cf::init_attackmess;
		3860	cf::init_dynamic;
		3861
		3862	cf::load_settings;
		3863
		3864	reload_resources;
		3865	reload_config;
		3866
		3867	cf::init_uuid;
		3868	cf::init_signals;
		3869	cf::init_skills;
		3870
		3871	cf::init_beforeplay;
		3872
		3873	atomic;
		3874
2318	load_extensions;	3875	load_extensions;
2319		3876
2320	$TICK_WATCHER->start;	3877	utime time, time, $RUNTIMEFILE;
2321	Event::loop;	3878
		3879	# no (long-running) fork's whatsoever before this point(!)
		3880	use POSIX ();
		3881	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3882
		3883	cf::_post_init 0;
		3884	};
		3885
		3886	cf::object::thawer::errors_are_fatal 0;
		3887	info "parse errors in files are no longer fatal from this point on.\n";
		3888
		3889	AE::postpone {
		3890	undef &main; # free gobs of memory :)
		3891	};
		3892
		3893	goto &main_loop;
2322	}	3894	}
2323		3895
2324	#############################################################################	3896	#############################################################################
2325	# initialisation and cleanup	3897	# initialisation and cleanup
2326		3898
2327	# install some emergency cleanup handlers	3899	# install some emergency cleanup handlers
2328	BEGIN {	3900	BEGIN {
		3901	our %SIGWATCHER = ();
2329	for my $signal (qw(INT HUP TERM)) {	3902	for my $signal (qw(INT HUP TERM)) {
2330	Event->signal (	3903	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2331	reentrant => 0,
2332	data => WF_AUTOCANCEL,
2333	signal => $signal,
2334	prio => 0,
2335	cb => sub {
2336	cf::cleanup "SIG$signal";	3904	cf::cleanup "SIG$signal";
2337	},
2338	);	3905	};
		3906	}
		3907	}
		3908
		3909	sub write_runtime_sync {
		3910	my $t0 = AE::time;
		3911
		3912	# first touch the runtime file to show we are still running:
		3913	# the fsync below can take a very very long time.
		3914
		3915	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3916
		3917	my $guard = cf::lock_acquire "write_runtime";
		3918
		3919	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3920	or return;
		3921
		3922	my $value = $cf::RUNTIME + 90 + 10;
		3923	# 10 is the runtime save interval, for a monotonic clock
		3924	# 60 allows for the watchdog to kill the server.
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	# touch it again to show we are up-to-date
		3934	aio_utime $fh, undef, undef;
		3935
		3936	close $fh
		3937	or return;
		3938
		3939	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3940	and return;
		3941
		3942	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3943
2339	}	3944	1
		3945	}
		3946
		3947	our $uuid_lock;
		3948	our $uuid_skip;
		3949
		3950	sub write_uuid_sync($) {
		3951	$uuid_skip ||= $_[0];
		3952
		3953	return if $uuid_lock;
		3954	local $uuid_lock = 1;
		3955
		3956	my $uuid = "$LOCALDIR/uuid";
		3957
		3958	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3959	or return;
		3960
		3961	my $value = uuid_seq uuid_cur;
		3962
		3963	unless ($value) {
		3964	info "cowardly refusing to write zero uuid value!\n";
		3965	return;
		3966	}
		3967
		3968	my $value = uuid_str $value + $uuid_skip;
		3969	$uuid_skip = 0;
		3970
		3971	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3972	and return;
		3973
		3974	# always fsync - this file is important
		3975	aio_fsync $fh
		3976	and return;
		3977
		3978	close $fh
		3979	or return;
		3980
		3981	aio_rename "$uuid~", $uuid
		3982	and return;
		3983
		3984	trace "uuid file written ($value).\n";
		3985
		3986	1
		3987
		3988	}
		3989
		3990	sub write_uuid($$) {
		3991	my ($skip, $sync) = @_;
		3992
		3993	$sync ? write_uuid_sync $skip
		3994	: async { write_uuid_sync $skip };
2340	}	3995	}
2341		3996
2342	sub emergency_save() {	3997	sub emergency_save() {
2343	my $freeze_guard = cf::freeze_mainloop;	3998	my $freeze_guard = cf::freeze_mainloop;
2344		3999
2345	warn "enter emergency perl save\n";	4000	info "emergency_perl_save: enter\n";
		4001
		4002	# this is a trade-off: we want to be very quick here, so
		4003	# save all maps without fsync, and later call a global sync
		4004	# (which in turn might be very very slow)
		4005	local $USE_FSYNC = 0;
2346		4006
2347	cf::sync_job {	4007	cf::sync_job {
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
2348	# use a peculiar iteration method to avoid tripping on perl	4010	# use a peculiar iteration method to avoid tripping on perl
2349	# refcount bugs in for. also avoids problems with players	4011	# refcount bugs in for. also avoids problems with players
2350	# and maps saved/destroyed asynchronously.	4012	# and maps saved/destroyed asynchronously.
2351	warn "begin emergency player save\n";	4013	info "emergency_perl_save: begin player save\n";
2352	for my $login (keys %cf::PLAYER) {	4014	for my $login (keys %cf::PLAYER) {
2353	my $pl = $cf::PLAYER{$login} or next;	4015	my $pl = $cf::PLAYER{$login} or next;
2354	$pl->valid or next;	4016	$pl->valid or next;
		4017	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2355	$pl->save;	4018	$pl->save;
2356	}	4019	}
2357	warn "end emergency player save\n";	4020	info "emergency_perl_save: end player save\n";
2358		4021
2359	warn "begin emergency map save\n";	4022	cf::write_runtime_sync; # external watchdog should not bark
		4023
		4024	info "emergency_perl_save: begin map save\n";
2360	for my $path (keys %cf::MAP) {	4025	for my $path (keys %cf::MAP) {
2361	my $map = $cf::MAP{$path} or next;	4026	my $map = $cf::MAP{$path} or next;
2362	$map->valid or next;	4027	$map->valid or next;
2363	$map->save;	4028	$map->save;
2364	}	4029	}
2365	warn "end emergency map save\n";	4030	info "emergency_perl_save: end map save\n";
		4031
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
		4034	info "emergency_perl_save: begin database checkpoint\n";
		4035	BDB::db_env_txn_checkpoint $DB_ENV;
		4036	info "emergency_perl_save: end database checkpoint\n";
		4037
		4038	info "emergency_perl_save: begin write uuid\n";
		4039	write_uuid_sync 1;
		4040	info "emergency_perl_save: end write uuid\n";
		4041
		4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	trace "emergency_perl_save: syncing database to disk";
		4045	BDB::db_env_txn_checkpoint $DB_ENV;
		4046
		4047	info "emergency_perl_save: starting sync\n";
		4048	IO::AIO::aio_sync sub {
		4049	info "emergency_perl_save: finished sync\n";
		4050	};
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	trace "emergency_perl_save: flushing outstanding aio requests";
		4055	while (IO::AIO::nreqs || BDB::nreqs) {
		4056	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4057	}
		4058
		4059	cf::write_runtime_sync; # external watchdog should not bark
2366	};	4060	};
2367		4061
2368	warn "leave emergency perl save\n";	4062	info "emergency_perl_save: leave\n";
2369	}	4063	}
2370		4064
		4065	sub post_cleanup {
		4066	my ($make_core) = @_;
		4067
		4068	IO::AIO::flush;
		4069
		4070	error Carp::longmess "post_cleanup backtrace"
		4071	if $make_core;
		4072
		4073	my $fh = pidfile;
		4074	unlink $PIDFILE if <$fh> == $$;
		4075	}
		4076
		4077	# a safer delete_package, copied from Symbol
		4078	sub clear_package($) {
		4079	my $pkg = shift;
		4080
		4081	# expand to full symbol table name if needed
		4082	unless ($pkg =~ /^main::.*::$/) {
		4083	$pkg = "main$pkg" if $pkg =~ /^::/;
		4084	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4085	$pkg .= '::' unless $pkg =~ /::$/;
		4086	}
		4087
		4088	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4089	my $stem_symtab = *{$stem}{HASH};
		4090
		4091	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4092	or return;
		4093
		4094	# clear all symbols
		4095	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4096	for my $name (keys %$leaf_symtab) {
		4097	_gv_clear *{"$pkg$name"};
		4098	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4099	}
		4100	}
		4101
2371	sub reload() {	4102	sub do_reload_perl() {
2372	# can/must only be called in main	4103	# can/must only be called in main
2373	if ($Coro::current != $Coro::main) {	4104	unless (in_main) {
2374	warn "can only reload from main coroutine";	4105	error "can only reload from main coroutine";
2375	return;	4106	return;
2376	}	4107	}
2377		4108
2378	warn "reloading...";	4109	return if $RELOAD++;
2379		4110
2380	warn "cancelling server ticker";	4111	my $t1 = AE::time;
2381	$TICK_WATCHER->cancel;
2382		4112
		4113	while ($RELOAD) {
		4114	cf::get_slot 0.1, -1, "reload_perl";
		4115	info "perl_reload: reloading...";
		4116
		4117	trace "perl_reload: entering sync_job";
		4118
		4119	cf::sync_job {
2383	cf::emergency_save;	4120	#cf::emergency_save;
2384		4121
2385	eval {
2386	# if anything goes wrong in here, we should simply crash as we already saved
2387
2388	warn "syncing database to disk";
2389	cf::db_sync;
2390
2391	warn "cancelling all WF_AUTOCANCEL watchers";
2392	for (Event::all_watchers) {
2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2394	}
2395
2396	warn "flushing outstanding aio requests";
2397	for (;;) {
2398	IO::AIO::flush;
2399	Coro::cede;
2400	last unless IO::AIO::nreqs;
2401	warn "iterate...";
2402	}
2403
2404	warn "cancelling all extension coros";	4122	trace "perl_reload: cancelling all extension coros";
2405	$_->cancel for values %EXT_CORO;	4123	$_->cancel for values %EXT_CORO;
2406	%EXT_CORO = ();	4124	%EXT_CORO = ();
2407		4125
2408	warn "removing commands";	4126	trace "perl_reload: removing commands";
2409	%COMMAND = ();	4127	%COMMAND = ();
2410		4128
2411	warn "removing ext commands";	4129	trace "perl_reload: removing ext/exti commands";
2412	%EXTCMD = ();	4130	%EXTCMD = ();
		4131	%EXTICMD = ();
2413		4132
2414	warn "unloading/nuking all extensions";	4133	trace "perl_reload: unloading/nuking all extensions";
2415	for my $pkg (@EXTS) {	4134	for my $pkg (@EXTS) {
2416	warn "... unloading $pkg";	4135	trace "... unloading $pkg";
2417		4136
2418	if (my $cb = $pkg->can ("unload")) {	4137	if (my $cb = $pkg->can ("unload")) {
2419	eval {	4138	eval {
2420	$cb->($pkg);	4139	$cb->($pkg);
2421	1	4140	1
2422	} or warn "$pkg unloaded, but with errors: $@";	4141	} or error "$pkg unloaded, but with errors: $@";
		4142	}
		4143
		4144	trace "... clearing $pkg";
		4145	clear_package $pkg;
2423	}	4146	}
2424		4147
2425	warn "... nuking $pkg";
2426	Symbol::delete_package $pkg;
2427	}
2428
2429	warn "unloading all perl modules loaded from $LIBDIR";	4148	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2430	while (my ($k, $v) = each %INC) {	4149	while (my ($k, $v) = each %INC) {
2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4150	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2432		4151
2433	warn "... unloading $k";	4152	trace "... unloading $k";
2434	delete $INC{$k};	4153	delete $INC{$k};
2435		4154
2436	$k =~ s/\.pm$//;	4155	$k =~ s/\.pm$//;
2437	$k =~ s/\//::/g;	4156	$k =~ s/\//::/g;
2438		4157
2439	if (my $cb = $k->can ("unload_module")) {	4158	if (my $cb = $k->can ("unload_module")) {
2440	$cb->();	4159	$cb->();
		4160	}
		4161
		4162	clear_package $k;
2441	}	4163	}
2442		4164
2443	Symbol::delete_package $k;
2444	}
2445
2446	warn "getting rid of safe::, as good as possible";	4165	trace "perl_reload: getting rid of safe::, as good as possible";
2447	Symbol::delete_package "safe::$_"	4166	clear_package "safe::$_"
2448	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4167	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2449		4168
2450	warn "unloading cf.pm \"a bit\"";	4169	trace "perl_reload: unloading cf.pm \"a bit\"";
2451	delete $INC{"cf.pm"};	4170	delete $INC{"cf.pm"};
		4171	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2452		4172
2453	# don't, removes xs symbols, too,	4173	# don't, removes xs symbols, too,
2454	# and global variables created in xs	4174	# and global variables created in xs
2455	#Symbol::delete_package __PACKAGE__;	4175	#clear_package __PACKAGE__;
2456		4176
2457	warn "unload completed, starting to reload now";	4177	info "perl_reload: unload completed, starting to reload now";
2458		4178
2459	warn "reloading cf.pm";	4179	trace "perl_reload: reloading cf.pm";
2460	require cf;	4180	require cf;
2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4181	cf::_connect_to_perl_1;
2462		4182
2463	warn "loading config and database again";	4183	trace "perl_reload: loading config and database again";
2464	cf::cfg_load;	4184	cf::reload_config;
2465	cf::db_load;
2466		4185
2467	warn "loading extensions";	4186	trace "perl_reload: loading extensions";
2468	cf::load_extensions;	4187	cf::load_extensions;
2469		4188
		4189	if ($REATTACH_ON_RELOAD) {
2470	warn "reattaching attachments to objects/players";	4190	trace "perl_reload: reattaching attachments to objects/players";
2471	_global_reattach;	4191	_global_reattach; # objects, sockets
2472	warn "reattaching attachments to maps";	4192	trace "perl_reload: reattaching attachments to maps";
2473	reattach $_ for values %MAP;	4193	reattach $_ for values %MAP;
		4194	trace "perl_reload: reattaching attachments to players";
		4195	reattach $_ for values %PLAYER;
		4196	}
2474		4197
2475	warn "loading reloadable resources";	4198	cf::_post_init 1;
2476	load_resources;
2477		4199
2478	warn "restarting server ticker";	4200	trace "perl_reload: leaving sync_job";
2479		4201
2480	$TICK_WATCHER->start;	4202	1
		4203	} or do {
		4204	error $@;
		4205	cf::cleanup "perl_reload: error, exiting.";
		4206	};
		4207
		4208	--$RELOAD;
		4209	}
		4210
		4211	$t1 = AE::time - $t1;
		4212	info "perl_reload: completed in ${t1}s\n";
		4213	};
		4214
		4215	our $RELOAD_WATCHER; # used only during reload
		4216
		4217	sub reload_perl() {
		4218	# doing reload synchronously and two reloads happen back-to-back,
		4219	# coro crashes during coro_state_free->destroy here.
		4220
		4221	$RELOAD_WATCHER ||= cf::async {
		4222	Coro::AIO::aio_wait cache_extensions;
		4223
		4224	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4225	do_reload_perl;
		4226	undef $RELOAD_WATCHER;
		4227	};
2481	};	4228	};
2482		4229	}
2483	if ($@) {
2484	warn $@;
2485	warn "error while reloading, exiting.";
2486	exit 1;
2487	}
2488
2489	warn "reloaded";
2490	};
2491
2492	our $RELOAD_WATCHER; # used only during reload
2493		4230
2494	register_command "reload" => sub {	4231	register_command "reload" => sub {
2495	my ($who, $arg) = @_;	4232	my ($who, $arg) = @_;
2496		4233
2497	if ($who->flag (FLAG_WIZ)) {	4234	if ($who->flag (FLAG_WIZ)) {
2498	$who->message ("reloading server.");	4235	$who->message ("reloading server.");
2499		4236	async {
2500	# doing reload synchronously and two reloads happen back-to-back,	4237	$Coro::current->{desc} = "perl_reload";
2501	# coro crashes during coro_state_free->destroy here.
2502
2503	$RELOAD_WATCHER ||= Event->timer (
2504	reentrant => 0,
2505	after => 0,
2506	data => WF_AUTOCANCEL,
2507	cb => sub {
2508	reload;	4238	reload_perl;
2509	undef $RELOAD_WATCHER;
2510	},
2511	);	4239	};
2512	}	4240	}
2513	};	4241	};
2514		4242
2515	unshift @INC, $LIBDIR;	4243	#############################################################################
2516		4244
2517	my $bug_warning = 0;	4245	my $bug_warning = 0;
2518		4246
2519	$TICK_WATCHER = Event->timer (	4247	sub wait_for_tick() {
2520	reentrant => 0,	4248	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2521	parked => 1,	4249
2522	prio => 0,	4250	$WAIT_FOR_TICK->wait;
2523	at => $NEXT_TICK || $TICK,	4251	}
2524	data => WF_AUTOCANCEL,	4252
2525	cb => sub {	4253	sub wait_for_tick_begin() {
		4254	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4255
		4256	my $signal = new Coro::Signal;
		4257	push @WAIT_FOR_TICK_BEGIN, $signal;
		4258	$signal->wait;
		4259	}
		4260
		4261	sub tick {
2526	if ($Coro::current != $Coro::main) {	4262	if ($Coro::current != $Coro::main) {
2527	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4263	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2528	unless ++$bug_warning > 10;	4264	unless ++$bug_warning > 10;
2529	return;	4265	return;
		4266	}
		4267
		4268	cf::one_tick; # one server iteration
		4269
		4270	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4271
		4272	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4273	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4274	Coro::async_pool {
		4275	$Coro::current->{desc} = "runtime saver";
		4276	write_runtime_sync
		4277	or error "ERROR: unable to write runtime file: $!";
2530	}	4278	};
		4279	}
2531		4280
2532	$NOW = Event::time;	4281	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2533		4282	$sig->send;
2534	cf::server_tick; # one server iteration	4283	}
2535	$RUNTIME += $TICK;
2536	$NEXT_TICK += $TICK;
2537
2538	$WAIT_FOR_TICK->broadcast;	4284	$WAIT_FOR_TICK->broadcast;
2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2540		4285
2541	Event::sweep;	4286	$LOAD = ($NOW - $TICK_START) / $TICK;
2542	Coro::cede_notself;	4287	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4288
		4289	if (0) {
		4290	if ($NEXT_TICK) {
		4291	my $jitter = $TICK_START - $NEXT_TICK;
		4292	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4293	debug "jitter $JITTER\n";#d#
2543		4294	}
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	4295	}
2553	);	4296	}
2554		4297
		4298	{
		4299	# configure BDB
		4300	info "initialising database";
		4301
		4302	BDB::min_parallel 16;
		4303	BDB::max_poll_reqs $TICK * 0.1;
		4304	#$AnyEvent::BDB::WATCHER->priority (1);
		4305
		4306	unless ($DB_ENV) {
		4307	$DB_ENV = BDB::db_env_create;
		4308	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4309	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4310	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4311	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4312	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4313
		4314	cf::sync_job {
		4315	eval {
		4316	BDB::db_env_open
		4317	$DB_ENV,
		4318	$BDBDIR,
		4319	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4320	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4321	0666;
		4322
		4323	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4324	};
		4325
		4326	cf::cleanup "db_env_open(db): $@" if $@;
		4327	};
		4328	}
		4329
		4330	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4331	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4332	};
		4333	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4334	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4335	};
		4336	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4337	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4338	};
		4339
		4340	info "database initialised";
		4341	}
		4342
		4343	{
		4344	# configure IO::AIO
		4345
		4346	info "initialising aio";
		4347	IO::AIO::min_parallel 8;
2555	IO::AIO::max_poll_time $TICK * 0.1;	4348	IO::AIO::max_poll_time $TICK * 0.1;
		4349	undef $AnyEvent::AIO::WATCHER;
		4350	info "aio initialised";
		4351	}
2556		4352
2557	undef $Coro::AIO::WATCHER;	4353	our $_log_backtrace;
2558	$AIO_POLL_WATCHER = Event->io (	4354	our $_log_backtrace_last;
2559	reentrant => 0,
2560	fd => IO::AIO::poll_fileno,
2561	poll => 'r',
2562	prio => 6,
2563	data => WF_AUTOCANCEL,
2564	cb => \&IO::AIO::poll_cb,
2565	);
2566		4355
2567	$WRITE_RUNTIME_WATCHER = Event->timer (	4356	sub _log_backtrace {
2568	reentrant => 0,	4357	my ($msg, @addr) = @_;
2569	data => WF_AUTOCANCEL,	4358
2570	after => 1,	4359	$msg =~ s/\n$//;
2571	interval => 10,	4360
2572	prio => 6, # keep it lowest so it acts like a watchdog	4361	if ($_log_backtrace_last eq $msg) {
2573	cb => Coro::unblock_sub {	4362	LOG llevInfo, "[ABT] $msg\n";
2574	write_runtime	4363	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2575	or warn "ERROR: unable to write runtime file: $!";	4364	# limit the # of concurrent backtraces
		4365	} elsif ($_log_backtrace < 2) {
		4366	$_log_backtrace_last = $msg;
		4367	++$_log_backtrace;
		4368	my $perl_bt = Carp::longmess $msg;
		4369	async {
		4370	$Coro::current->{desc} = "abt $msg";
		4371
		4372	my @bt = fork_call {
		4373	@addr = map { sprintf "%x", $_ } @addr;
		4374	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4375	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4376	or die "addr2line: $!";
		4377
		4378	my @funcs;
		4379	my @res = <$fh>;
		4380	chomp for @res;
		4381	while (@res) {
		4382	my ($func, $line) = splice @res, 0, 2, ();
		4383	push @funcs, "[$func] $line";
		4384	}
		4385
		4386	@funcs
		4387	};
		4388
		4389	LOG llevInfo, "[ABT] $perl_bt\n";
		4390	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4391	LOG llevInfo, "[ABT] $_\n" for @bt;
		4392	--$_log_backtrace;
		4393	};
		4394	} else {
		4395	LOG llevInfo, "[ABT] $msg\n";
		4396	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2576	},	4397	}
2577	);	4398	}
		4399
		4400	# load additional modules
		4401	require "cf/$_.pm" for @EXTRA_MODULES;
		4402	cf::_connect_to_perl_2;
2578		4403
2579	END { cf::emergency_save }	4404	END { cf::emergency_save }
2580		4405
2581	1	4406	1
2582		4407

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines