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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.591 by root, Tue Nov 6 23:33:15 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
13	use Coro 3.5 ();	41	use Coro ();
		42	use Coro::State;
		43	use Coro::Handle;
		44	use Coro::EV;
14	use Coro::Event;	45	use Coro::AnyEvent;
15	use Coro::Timer;	46	use Coro::Timer;
16	use Coro::Signal;	47	use Coro::Signal;
17	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
18	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
		53	use Coro::Storable;
		54	use Coro::Util ();
19		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
20	use BDB ();	58	use BDB ();
21	use Data::Dumper;	59	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	60	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	61	use YAML::XS ();
		62	use IO::AIO ();
26	use Time::HiRes;	63	use Time::HiRes;
27	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
28		66
		67	AnyEvent::detect;
		68
		69	# configure various modules to our taste
		70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
		72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		79
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		82
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		84
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	85	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		86
40	our %COMMAND = ();	87	our %COMMAND = ();
41	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
42		89
43	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
47		95
48	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	97	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
51		100
52	our $TICK = MAX_TIME * 1e-6;	101	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	102
54	our $AIO_POLL_WATCHER;	103	our $DATADIR = datadir;
		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(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	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;
57	our $NOW;	143	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		144
60	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
61	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
62
63	our %CFG;
64
65	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;
67
68	our %PLAYER; # all users
69	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		148
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
80	binmode STDOUT;	165	binmode STDOUT;
81	binmode STDERR;	166	binmode STDERR;
82		167
83	# read virtual server time, if available	168	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	170	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
88	}	173	}
89		174
90	mkdir cf::localdir;	175	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	176
92	mkdir cf::localdir . "/" . cf::tmpdir;	177	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		179
97	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
98		181
99	sub cf::map::normalise;	182	sub cf::map::normalise;
100		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
101	#############################################################################	188	#############################################################################
102		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
103	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
104		202
105	=over 4	203	=over 4
106		204
107	=item $cf::UPTIME	205	=item $cf::UPTIME
108		206
109	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.
110		223
111	=item $cf::RUNTIME	224	=item $cf::RUNTIME
112		225
113	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
114	every server tick.	227	every server tick.
115		228
116	=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
117		232
118	The perl library directory, where extensions and cf-specific modules can	233	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		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
121	=item $cf::NOW	244	=item $cf::LOAD
122		245
123	The time of the last (current) server tick.	246	The raw value load value from the last tick.
124
125	=item $cf::TICK
126
127	The interval between server ticks, in seconds.
128		247
129	=item %cf::CFG	248	=item %cf::CFG
130		249
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	251	from wherever your confdir points to.
133		252
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		254
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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.
140		287
141	=back	288	=back
142		289
143	=cut	290	=cut
144		291
145	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
146	*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 {
147	my $msg = join "", @_;	299	my $msg = join "", @_;
148	utf8::encode $msg;
149		300
150	$msg .= "\n"	301	$msg .= "\n"
151	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
152		303
		304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		305
153	LOG llevError, $msg;	306	LOG llevWarn, $msg;
154	};	307	};
155	}	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	};
156		322
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		330
164	# 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
165	# within the Safe compartment.	332	# within the Safe compartment.
166	for my $pkg (qw(	333	for my $pkg (qw(
167	cf::global cf::attachable	334	cf::global cf::attachable
168	cf::object cf::object::player	335	cf::object cf::object::player
169	cf::client cf::player	336	cf::client cf::player
170	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
171	cf::map cf::party cf::region	339	cf::party cf::region
172	)) {	340	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	342	}
176		343
177	$Event::DIED = sub {	344	$EV::DIED = sub {
178	warn "error in event callback: @_";	345	warn "error in event callback: $@";
179	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
180		354
181	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
182		356
183	=over 4	357	=over 4
184		358
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	378	$d
205	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
206	}	380	}
207		381
208	use JSON::Syck (); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
209		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
210	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
211		435
212	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
213		437
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
222		439
223	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
224		441
225	=cut	442	=cut
226		443
227	sub to_json($) {	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	445
229	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	}
230	}	509	}
231		510
232	=item cf::lock_wait $string	511	=item cf::lock_wait $string
233		512
234	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
235		514
236	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
237		516
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
241	returned.	520	returned.
242		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
243	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
244	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
245		527
246	=cut	528	=item $locked = cf::lock_active $string
247		529
248	our %LOCK;	530	Return true if the lock is currently active, i.e. somebody has locked it.
		531
		532	=cut
		533
		534	our $LOCKS = new Coro::SemaphoreSet;
249		535
250	sub lock_wait($) {	536	sub lock_wait($) {
251	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	538	}
259		539
260	sub lock_acquire($) {	540	sub lock_acquire($) {
261	my ($key) = @_;	541	$LOCKS->guard ($_[0])
		542	}
262		543
263	# wait, to be sure we are not locked	544	sub lock_active($) {
264	lock_wait $key;	545	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	546	}
273		547
274	sub freeze_mainloop {	548	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
276		550
277	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
278	$TICK_WATCHER->start;	552	}
		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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
279	};	621	}
280	$TICK_WATCHER->stop;	622	};
281	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
282	}	637	}
283		638
284	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
285		640
286	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		646
292	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
293		648
294	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
295		650
296	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
299		655
300	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
303	fast or be very important.	659	fast or be very important.
…		…
305	=cut	661	=cut
306		662
307	sub sync_job(&) {	663	sub sync_job(&) {
308	my ($job) = @_;	664	my ($job) = @_;
309		665
310	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
311	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
313		671
314	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	673
316	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
317		675
318	my $busy = 1;	676	my $busy = 1;
319	my @res;	677	my @res;
320		678
321	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	681	@res = eval { $job->() };
323	warn $@ if $@;	682	error $@ if $@;
324	undef $busy;	683	undef $busy;
325	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
326		685
327	while ($busy) {	686	while ($busy) {
328	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
329	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
330		697
331	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
332	} else {	699	} else {
333	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
334		701
…		…
354	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
355		722
356	$coro	723	$coro
357	}	724	}
358		725
359	sub write_runtime {	726	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		727
362	my $runtime = cf::localdir . "/runtime";	728	Executes the given code block with the given arguments in a seperate
		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.
363		732
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	733	=cut
365	or return;
366		734
367	my $value = $cf::RUNTIME + 90 + 10;	735	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	736	reset_signals;
369	# 60 allows for the watchdog to kill the server.	737	}
370		738
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	739	sub fork_call(&@) {
372	and return;	740	my ($cb, @args) = @_;
373		741
374	# always fsync - this file is important	742	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	743	# otherwise perl prematurely frees the stuff :/
376	and return;	744	# TODO: investigate and fix (likely this will be rather laborious)
377		745
378	close $fh	746	my @res = Coro::Util::fork_eval {
379	or return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
380		750
381	aio_rename "$runtime~", $runtime	751	wantarray ? @res : $res[-1]
382	and return;	752	}
383		753
		754	sub objinfo {
384	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 });
385	}	929	}
386		930
387	=back	931	=back
388		932
389	=cut	933	=cut
390		934
391	#############################################################################	935	#############################################################################
392		936
393	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
394		938
395	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
396	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")
397	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
398		942
399	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>
400	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
401	crossfire+).	945	Deliantra).
402		946
403	=over 4	947	=over 4
404		948
405	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
406		950
…		…
450	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
451		995
452	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
454		998
455	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		1001
458	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
459		1003
460	=over 4	1004	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
570		1114
571	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1119
576	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
578		1122
579	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
584		1128
585	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1131
588	} elsif (ref $type) {	1132	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
590		1134
591	} else {	1135	} else {
592	shift @arg;	1136	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
594	}	1138	}
595	}	1139	}
596	}	1140	}
597		1141
598	sub _object_attach {	1142	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
609	}	1153	}
610		1154
611	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
612	} else {	1156	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1158	}
615		1159
616	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
617	}	1161	}
618		1162
…		…
620	if (ref $_[0]) {	1164	if (ref $_[0]) {
621	_object_attach @_;	1165	_object_attach @_;
622	} else {	1166	} else {
623	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
624	}	1168	}
		1169	_recalc_want;
625	};	1170	};
626		1171
627	# all those should be optimised	1172	# all those should be optimised
628	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1178	reattach ($obj);
634	} else {	1179	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
636	}	1181	}
		1182	_recalc_want;
637	};	1183	};
638		1184
639	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
641		1187
…		…
656	";	1202	";
657	die if $@;	1203	die if $@;
658	}	1204	}
659		1205
660	our $override;	1206	our $override;
661	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?
662		1208
663	sub override {	1209	sub override {
664	$override = 1;	1210	$override = 1;
665	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
666	}	1212	}
667		1213
668	sub do_invoke {	1214	sub do_invoke {
669	my $event = shift;	1215	my $event = shift;
670	my $callbacks = shift;	1216	my $callbacks = shift;
671		1217
672	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
673		1219
674	local $override;	1220	local $override;
675		1221
676	for (@$callbacks) {	1222	for (@$callbacks) {
677	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
678		1224
679	if ($@) {	1225	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1227	override;
683	}	1228	}
684		1229
685	return 1 if $override;	1230	return 1 if $override;
686	}	1231	}
687		1232
688	0	1233	0
689	}	1234	}
690		1235
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1237
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1239
695	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
696		1241
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1245
701	=back	1246	=back
702		1247
703	=cut	1248	=cut
704		1249
705	#############################################################################	1250	#############################################################################
706	# 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, $ob2
		1293	}
707		1294
708	sub reattach {	1295	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1297	my ($obj) = @_;
711		1298
		1299	# no longer needed after getting rid of delete_package?
712	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
713		1301
714	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
715		1303
716	@$registry = ();	1304	@$registry = ();
717		1305
…		…
722	for (@$attach) {	1310	for (@$attach) {
723	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
725	}	1313	}
726	} else {	1314	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1316	}
729	}	1317	}
730	}	1318	}
731		1319
732	cf::attachable->attach (	1320	cf::attachable->attach (
733	prio => -1000000,	1321	prio => -1000000,
734	on_instantiate => sub {	1322	on_instantiate => sub {
735	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
736		1324
737	$data = from_json $data;	1325	$data = decode_json $data;
738		1326
739	for (@$data) {	1327	for (@$data) {
740	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
741		1329
742	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1346	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
760		1348
761	sync_job {	1349	sync_job {
762	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
765		1355
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($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;
		1361	aio_fsync $fh;
		1362	}
770	close $fh;	1363	aio_close $fh;
771		1364
772	if (@$objs) {	1365	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($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;
		1372	aio_fsync $fh;
		1373	}
778	close $fh;	1374	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
780	}	1376	}
781	} else {	1377	} else {
782	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
783	}	1379	}
784		1380
785	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1385	} else {
787	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
788	}	1387	}
789	} else {	1388	} else {
790	aio_unlink $filename;	1389	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
792	}	1391	}
793	}	1392	};
794	}	1393	}
795		1394
796	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
798		1397
…		…
810	or return;	1409	or return;
811		1410
812	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
814	or return;	1413	or return;
		1414
815	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
816	}	1417	}
817		1418
		1419	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
820	return ($data, $av);	1424	($data, $av)
821	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
822		1432
823	#############################################################################	1433	#############################################################################
824	# command handling &c	1434	# command handling &c
825		1435
826	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1450	}
841		1451
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1453
844	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.
845		1459
846	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
847	called.	1461	called.
848		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
849	=cut	1474	=cut
850		1475
851	sub register_extcmd {	1476	sub register_extcmd {
852	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
853		1478
854	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
855	}	1480	}
856		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
857	cf::player->attach (	1490	cf::player->attach (
858	on_command => sub {	1491	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
860		1493
861	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
862	or return;	1495	or return;
863		1496
…		…
868	cf::override;	1501	cf::override;
869	},	1502	},
870	on_extcmd => sub {	1503	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
872		1505
873	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1507
875	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
881	} else {	1520	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1522	}
884		1523
885	cf::override;	1524	cf::override;
886	},	1525	},
887	);	1526	);
888		1527
		1528	# "readahead" all extensions
889	sub load_extension {	1529	sub cache_extensions {
890	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
891		1531
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1535	}
917	die $@;
918	}	1536	};
919		1537
920	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;
921	}	1550	}
922		1551
923	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
924	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1561	next unless -r $path;
926	eval {	1562
927	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 $active;
		1634	}
928	1	1635	}
929	} or warn "$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	}
930	}	1648	};
931	}	1649	}
932		1650
933	#############################################################################	1651	#############################################################################
934		1652
		1653	=back
		1654
935	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
936		1656
937	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
938		1658
939	=cut	1659	=cut
940		1660
941	package cf::player;	1661	package cf::player;
942		1662
…		…
944		1664
945	=head3 cf::player	1665	=head3 cf::player
946		1666
947	=over 4	1667	=over 4
948		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
949	=item cf::player::find $login	1683	=item cf::player::find $login
950		1684
951	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
952		1686
953	=cut	1687	=cut
954		1688
955	sub playerdir($) {	1689	sub playerdir($) {
956	cf::localdir	1690	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1691	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1692	}
962		1693
963	sub path($) {	1694	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1695	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1696
966	(playerdir $login) . "/$login.pl"	1697	(playerdir $login) . "/playerdata"
967	}	1698	}
968		1699
969	sub find_active($) {	1700	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1701	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1702	and $cf::PLAYER{$_[0]}->active
…		…
974		1705
975	sub exists($) {	1706	sub exists($) {
976	my ($login) = @_;	1707	my ($login) = @_;
977		1708
978	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
980	}	1711	}
981		1712
982	sub find($) {	1713	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1715	my $login = $_[0];
985		1716
986	my $guard = cf::lock_acquire "user_find:$login";	1717	my $guard = cf::lock_acquire "user_find:$login";
987		1718
988	$cf::PLAYER{$_[0]} || do {	1719	$cf::PLAYER{$_[0]} || do {
989	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
990	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;
991	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
992	}	1736	}
993	}	1737	}
994	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
995		1752
996	sub save($) {	1753	sub save($) {
997	my ($pl) = @_;	1754	my ($pl) = @_;
998		1755
999	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1005		1762
1006	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1008		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
1009	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1010	Coro::cede;	1772	cf::cede_to_tick;
1011	}	1773	}
1012		1774
1013	sub new($) {	1775	sub new($) {
1014	my ($login) = @_;	1776	my ($login) = @_;
1015		1777
…		…
1021	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1022		1784
1023	$self	1785	$self
1024	}	1786	}
1025		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
1026	=item $pl->quit_character	1798	=item $pl->quit_character
1027		1799
1028	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1029	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1030		1802
…		…
1034	my ($pl) = @_;	1806	my ($pl) = @_;
1035		1807
1036	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1037		1809
1038	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1039	$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
1040		1812
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1044	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1045		1821
1046	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1853	while and may block, so not sync_job-capable, ever.
1078		1854
1079	=cut	1855	=cut
1080		1856
1081	sub list_logins {	1857	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1858	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1859	or return [];
1084		1860
1085	my @logins;	1861	my @logins;
1086		1862
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1091		1873
1092	utf8::decode $login;	1874	utf8::decode $login;
1093	push @logins, $login;	1875	push @logins, $login;
1094	}	1876	}
1095		1877
1096	\@logins	1878	\@logins
1097	}	1879	}
1098		1880
1099	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1100		1884
1101	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1102	player. May block.	1886	player. May block.
1103		1887
1104	=cut	1888	=cut
…		…
1122	}	1906	}
1123		1907
1124	\@paths	1908	\@paths
1125	}	1909	}
1126		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1128		1916
1129	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1130		1918
1131	=cut	1919	=cut
1132		1920
1133	sub ext_reply($$$%) {	1921	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1135		1923
1136	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1925	}
1140		1926
1141	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	}
1142		1969
1143	=back	1970	=back
1144
1145		1971
1146	=head3 cf::map	1972	=head3 cf::map
1147		1973
1148	=over 4	1974	=over 4
1149		1975
…		…
1161	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1163		1989
1164	sub generate_random_map {	1990	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1166	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1167	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1178	(cf::region::find $rmp->{region}), $rmp->{custom}
1179	)
1180	}	1996	}
1181		1997
1182	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1183		1999
1184	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
…		…
1189		2005
1190	sub register {	2006	sub register {
1191	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	2008	my $pkg = caller;
1193		2009
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		2011
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	2013	}
1199		2014
1200	# also paths starting with '/'	2015	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		2017
1203	sub thawer_merge {	2018	sub thawer_merge {
1204	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1205		2020
1206	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1207	local $self->{path};	2022	local $self->{path};
1208	local $self->{load_path};	2023	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		2024
1212	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1213	}	2026	}
1214		2027
1215	sub normalise {	2028	sub normalise {
1216	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1217		2030
1218	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1219		2032
1220	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1221		2034
1222	# map plan:	2035	# map plan:
1223	#	2036	#
…		…
1238	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1239	$path = "$base/$path";	2052	$path = "$base/$path";
1240	}	2053	}
1241		2054
1242	for ($path) {	2055	for ($path) {
1243	redo if s{//}{/};
1244	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1245	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1246	}	2058	}
1247		2059
1248	$path	2060	$path
…		…
1262	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1263	return $self;	2075	return $self;
1264	}	2076	}
1265	}	2077	}
1266		2078
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	2080	()
1269	}	2081	}
1270		2082
		2083	# may re-bless or do other evil things
1271	sub init {	2084	sub init {
1272	my ($self) = @_;	2085	my ($self) = @_;
1273		2086
1274	$self	2087	$self
1275	}	2088	}
…		…
1287		2100
1288	# the original (read-only) location	2101	# the original (read-only) location
1289	sub load_path {	2102	sub load_path {
1290	my ($self) = @_;	2103	my ($self) = @_;
1291		2104
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2105	"$MAPDIR/$self->{path}.map"
1293	}	2106	}
1294		2107
1295	# the temporary/swap location	2108	# the temporary/swap location
1296	sub save_path {	2109	sub save_path {
1297	my ($self) = @_;	2110	my ($self) = @_;
1298		2111
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2113	"$TMPDIR/$path.map"
1301	}	2114	}
1302		2115
1303	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1304	sub uniq_path {	2117	sub uniq_path {
1305	my ($self) = @_;	2118	my ($self) = @_;
1306		2119
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2121	"$UNIQUEDIR/$path"
1309	}	2122	}
1310		2123
1311	# and all this just because we cannot iterate over	2124	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	2125	my ($self) = @_;
1315		2126
1316	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1318	}	2130	}
1319		2131
1320	sub unlink_save {	2132	sub unlink_save {
1321	my ($self) = @_;	2133	my ($self) = @_;
1322		2134
…		…
1327		2139
1328	sub load_header_from($) {	2140	sub load_header_from($) {
1329	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1330		2142
1331	utf8::encode $path;	2143	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2145	or return;
1337		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1338	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1339		2154
1340	1	2155	1
1341	}	2156	}
1342		2157
		2158	# used to laod the header of an original map
1343	sub load_header_orig {	2159	sub load_header_orig {
1344	my ($self) = @_;	2160	my ($self) = @_;
1345		2161
1346	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1347	}	2163	}
1348		2164
		2165	# used to laod the header of an instantiated map
1349	sub load_header_temp {	2166	sub load_header_temp {
1350	my ($self) = @_;	2167	my ($self) = @_;
1351		2168
1352	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1353	}	2170	}
1354		2171
		2172	# called after loading the header from an instantiated map
1355	sub prepare_temp {	2173	sub prepare_temp {
1356	my ($self) = @_;	2174	my ($self) = @_;
1357		2175
1358	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1359	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1360	# safety	2178	# safety
1361	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1362	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1363	}	2181	}
1364		2182
		2183	# called after loading the header from an original map
1365	sub prepare_orig {	2184	sub prepare_orig {
1366	my ($self) = @_;	2185	my ($self) = @_;
1367		2186
1368	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1369	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1380	$self->load_header_orig	2199	$self->load_header_orig
1381	or return;	2200	or return;
1382	$self->prepare_orig;	2201	$self->prepare_orig;
1383	}	2202	}
1384		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
1385	1	2210	1
1386	}	2211	}
1387		2212
1388	sub find;	2213	sub find;
1389	sub find {	2214	sub find {
1390	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1391		2216
		2217	cf::cede_to_tick;
		2218
1392	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1393		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2223
1396	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1399	or return;	2226	or return;
1400		2227
1401	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1402		2229
1403	$map->load_header	2230	$map->load_header
1404	or return;	2231	or return;
1405		2232
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1409	$map->reset;	2238	$map->reset;
1410	undef $guard;
1411	return find $path;	2239	return find $path;
1412	}	2240	}
1413		2241
1414	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1415	}	2243	}
1416	}	2244	}
1417		2245
1418	sub pre_load { }	2246	sub pre_load { }
1419	sub post_load { }	2247	#sub post_load { } # XS
1420		2248
1421	sub load {	2249	sub load {
1422	my ($self) = @_;	2250	my ($self) = @_;
1423		2251
1424	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1425		2253
1426	my $path = $self->{path};	2254	my $path = $self->{path};
		2255
		2256	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1428		2258
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2259	return unless $self->valid;
		2260	return unless $self->state == cf::MAP_SWAPPED;
1430		2261
1431	$self->in_memory (cf::MAP_LOADING);
1432
1433	$self->alloc;	2262	$self->alloc;
1434		2263
1435	$self->pre_load;	2264	$self->pre_load;
		2265	cf::cede_to_tick;
1436		2266
1437	$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)
1438	or return;	2271	or return;
1439		2272
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1441	if delete $self->{load_original};	2274	if delete $self->{load_original};
1442		2275
1443	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2277	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2280	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1448	}	2285	}
1449	}
1450		2286
1451	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
1452		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1453	# now do the right thing for maps	2296	# now do the right thing for maps
1454	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2299	unless $self->difficulty;
1464	Coro::cede;	2300	cf::cede_to_tick;
1465	$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);
1466	}	2312	}
1467		2313
1468	$self->post_load;	2314	$self->post_load;
1469		2315
1470	$self->in_memory (cf::MAP_IN_MEMORY);	2316	1
1471	}	2317	}
1472		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
1473	sub customise_for {	2322	sub customise_for {
1474	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1475		2324
1476	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2326	if $self->per_player;
1478		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1479	$self	2331	$self
1480	}
1481
1482	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {
1484	my ($map) = @_;
1485
1486	my @diag; # diagonal neighbours
1487
1488	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)
1490	or next;
1491	$neigh = find $neigh, $map
1492	or next;
1493	$neigh->load;
1494
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}
1498
1499	for (@diag) {
1500	my $neigh = find @$_
1501	or next;
1502	$neigh->load;
1503	}
1504	}	2332	}
1505		2333
1506	sub find_sync {	2334	sub find_sync {
1507	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1508		2336
1509	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
1510	}	2342	}
1511		2343
1512	sub do_load_sync {	2344	sub do_load_sync {
1513	my ($map) = @_;	2345	my ($map) = @_;
1514		2346
1515	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;
1516	}	2352	}
1517		2353
1518	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1520		2356
1521	sub find_async {	2357	sub find_async {
1522	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1523		2359
1524	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1525		2361
1526	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1528	}	2364	}
1529		2365
1530	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1531	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1532	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2373	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2374	$map->load if $v;
		2375	}
1537		2376
1538	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1539	}	2378	}
1540	}	2379	}
1541	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1542	};	2381	};
1543	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1544		2383
1545	()	2384	()
1546	}	2385	}
1547		2386
		2387	# common code, used by both ->save and ->swapout
1548	sub save {	2388	sub _save {
1549	my ($self) = @_;	2389	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2390
1553	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1554		2392
1555	return unless $self->dirty;	2393	return unless $self->dirty;
1556		2394
…		…
1562	return if $self->{deny_save};	2400	return if $self->{deny_save};
1563		2401
1564	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1565		2403
1566	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1568	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1569		2410
1570	if ($uniq) {	2411	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2414	} else {
1574	$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);
1575	}	2416	}
1576	}	2417	}
1577		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1578	sub swap_out {	2427	sub swap_out {
1579	my ($self) = @_;	2428	my ($self) = @_;
1580		2429
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1586	return if $self->players;	2434	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		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
1590	$self->clear;	2445	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2446	}
1593		2447
1594	sub reset_at {	2448	sub reset_at {
1595	my ($self) = @_;	2449	my ($self) = @_;
1596		2450
1597	# TODO: safety, remove and allow resettable per-player maps	2451	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2452	return 1e99 if $self->{deny_reset};
1600		2453
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	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;
1603		2456
…		…
1614	my ($self) = @_;	2467	my ($self) = @_;
1615		2468
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2470
1618	return if $self->players;	2471	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2472
1621	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
1622		2474
1623	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1624		2476
1625	# need to save uniques path	2477	# need to save uniques path
1626	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1627	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1628		2480
…		…
1630	if $uniq;	2482	if $uniq;
1631	}	2483	}
1632		2484
1633	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1634		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2489	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2490
1639	$self->unlink_save;	2491	$self->unlink_save;
1640	$self->destroy;	2492	$self->destroy;
1641	}	2493	}
1642		2494
1643	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1644		2496
1645	sub nuke {	2497	sub nuke {
1646	my ($self) = @_;	2498	my ($self) = @_;
1647		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1648	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1649		2504
1650	$self->unlink_save;	2505	$self->unlink_save;
1651		2506
1652	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2512
1658	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1659		2515
1660	$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	]
1661	}	2553	}
1662		2554
1663	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1664		2556
1665	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2558	instantiated unique items. May block.
1667		2559
1668	=cut	2560	=cut
1669		2561
1670	sub unique_maps() {	2562	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2563	[
1672	or return;	2564	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2565	utf8::decode $_;
1678	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2568	? ()
1681	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2571	]
1683
1684	\@paths
1685	}	2572	}
1686		2573
1687	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	}
1688		2605
1689	=back	2606	=back
1690		2607
1691	=head3 cf::object	2608	=head3 cf::object
1692		2609
…		…
1696		2613
1697	=over 4	2614	=over 4
1698		2615
1699	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1700		2617
1701	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.
1702		2620
1703	=cut	2621	=cut
1704		2622
1705	sub inv_recursive_;	2623	sub inv_recursive_;
1706	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1709		2627
1710	sub inv_recursive {	2628	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1712	}	2630	}
1713		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
1714	package cf;	2660	package cf;
1715		2661
1716	=back	2662	=back
1717		2663
1718	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1724	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>
1725	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
1726	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1727		2673
1728	=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	};
1729		2689
1730	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2691	# with dialog boxes.
1732	#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
1733	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1735		2695
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2697
1738	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1743	}	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 (@_);
1744	}	2723	}
1745		2724
1746	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1747		2726
1748	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1761		2740
1762	=item $player_object->enter_link	2741	=item $player_object->enter_link
1763		2742
1764	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}>).
1765		2744
1766	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.
1767	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.
1768		2749
1769	Will never block.	2750	Will never block.
1770		2751
1771	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1772		2753
…		…
1792	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2774	my ($self) = @_;
1794		2775
1795	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1796		2777
		2778	++$self->{_link_recursion};
		2779
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2781
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1801		2784
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2786	}
1804		2787
1805	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1807		2792
1808	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1809		2794
1810	unless ($map) {	2795	unless ($map) {
1811	# restore original map position	2796	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1824		2809
1825	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1828		2813
1829	$map->load;	2814	$map->load;
1830	$map->load_diag;
1831		2815
1832	return unless $self->contr->active;	2816	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2817
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
1837	}	2820	# entering was successful
1838		2821	delete $self->{_link_recursion};
1839	cf::player->attach (	2822	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2823	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2824	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2825
1853	# try to abort aborted map switching on player login :)	2826	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2827
1871	=item $player_object->goto ($path, $x, $y)	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		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
1873	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1874		2842
1875	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1876	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;
1877		2854
1878	$self->enter_link;	2855	$self->enter_link;
1879		2856
1880	(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
1881	my $map = eval {	2879	my $map = eval {
1882	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2881
		2882	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2895	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
1889	})->prio (1);	2903	})->prio (1);
1890	}	2904	}
1891		2905
1892	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1893		2907
…		…
1913	}	2927	}
1914		2928
1915	sub prepare_random_map {	2929	sub prepare_random_map {
1916	my ($exit) = @_;	2930	my ($exit) = @_;
1917		2931
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2934	# that depends on the exit object
1923		2935
1924	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2938	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
1931	}	2945	}
1932		2946
1933	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
1934		2948
1935	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
1938		2952
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2955	undef $fh;
1942	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
1943		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
1946	}	2964	}
1947	}	2965	}
1948		2966
1949	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
1951		2969
1952	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
1953		2971
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2972	$self->enter_link;
1964		2973
1965	(async {	2974	(async {
1966	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
1967	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
1968	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
1969		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
1970	1;	3013	1
1971	}) {	3014	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
1976		3019
1977	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	3021	$self->leave_link;
1979	}	3022	}
1980	})->prio (1);	3023	})->prio (1);
1981	}	3024	}
1982		3025
…		…
1993		3036
1994	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
1996		3039
1997	utf8::encode $text;	3040	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	3042	}
2000		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	}
2001		3254
2002	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2003		3256
2004	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
2005	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>,
2006	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>.
2007		3260
2008	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
2009	reliable at some point in the future.	3262	become reliable at some point in the future.
2010		3263
2011	=cut	3264	=cut
2012		3265
2013	sub cf::client::query {	3266	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3267	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3275	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3276	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3277
2025	$self->send_packet ($self->{query_queue}[0][0])	3278	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3279	if @{ $self->{query_queue} } == 1;
		3280
		3281	1
2027	}	3282	}
2028		3283
2029	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	},
2030	on_reply => sub {	3290	on_reply => sub {
2031	my ($ns, $msg) = @_;	3291	my ($ns, $msg) = @_;
2032		3292
2033	# this weird shuffling is so that direct followup queries	3293	# this weird shuffling is so that direct followup queries
2034	# get handled first	3294	# get handled first
…		…
2046	} else {	3306	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3307	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3308	}
2049	}	3309	}
2050	},	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	},
2051	);	3334	);
2052		3335
2053	=item $client->async (\&cb)	3336	=item $client->async (\&cb)
2054		3337
2055	Create a new coroutine, running the specified callback. The coroutine will	3338	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3354
2072	$coro	3355	$coro
2073	}	3356	}
2074		3357
2075	cf::client->attach (	3358	cf::client->attach (
2076	on_destroy => sub {	3359	on_client_destroy => sub {
2077	my ($ns) = @_;	3360	my ($ns) = @_;
2078		3361
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3363	},
2081	);	3364	);
…		…
2096	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2098		3381
2099	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2100		3383
2101	$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	));
2102		3389
2103	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2104		3391
2105	=pod	3392	=pod
2106		3393
2107	The following fucntions and emthods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2108		3395
2109	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
2110	cf::object::player player	3401	cf::object::player
2111	cf::player peaceful	3402	player
2112	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2113		3409
2114	=cut	3410	=cut
2115		3411
2116	for (	3412	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2121	) {	3419	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3422	for @funs;
2126	}	3423	}
2127		3424
…		…
2142		3439
2143	my $qcode = $code;	3440	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2146		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2147	local $_;	3447	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3448
2150	my $eval =	3449	my $eval =
2151	"do {\n"	3450	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3453	. $code
2155	. "\n}"	3454	. "\n}"
2156	;	3455	;
2157		3456
		3457	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	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	}
2161		3466
2162	if ($@) {	3467	if ($@) {
2163	warn "$@";	3468	warn "$@",
2164	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2166	}	3471	}
2167		3472
2168	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2169	}	3474	}
2170		3475
…		…
2184	=cut	3489	=cut
2185		3490
2186	sub register_script_function {	3491	sub register_script_function {
2187	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2188		3493
2189	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2191	}	3496	}
2192		3497
2193	=back	3498	=back
2194		3499
2195	=cut	3500	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3501
2269	#############################################################################	3502	#############################################################################
2270	# the server's init and main functions	3503	# the server's init and main functions
2271		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
2272	sub load_faces {	3508	sub add_face {
2273	my $path = sprintf "%s/faces", cf::datadir;	3509	my ($name, $type, $data) = @_;
2274		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
2275	warn "loading faces from $path\n";	3538	trace "loading facedata from $path\n";
2276		3539
2277	my $faces;	3540	my $facedata = decode_storable load_file $path;
2278	0 < aio_load $path, $faces
2279	or die "$path: $!";
2280		3541
2281	Coro::cede;	3542	$facedata->{version} == 2
2282	$faces = Storable::thaw $faces;	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2283	Coro::cede;
2284		3544
2285	while (my ($face, $info) = each %$faces) {	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};
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3553
		3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	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
2290	}	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} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3613
2292	1	3614	1
2293	}	3615	}
2294		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		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"
		3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
		3660	}
		3661
		3662	sub reload_facedata {
		3663	load_facedata "$DATADIR/facedata"
		3664	or die "unable to load facedata\n";
		3665	}
		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	sub reload_pod {
		3707	trace "loading pods $PODDIR\n";
		3708
		3709	my @command_help;
		3710
		3711	for (
		3712	[0, "command_help"],
		3713	[1, "emote_help"],
		3714	[2, "dmcommand_help"],
		3715	) {
		3716	my ($type, $path) = @$_;
		3717
		3718	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3719	or die "unable to load $path";
		3720
		3721	my $level = 1e9;
		3722
		3723	for my $par (@$paragraphs) {
		3724	if ($par->{type} eq "head2") {
		3725	# this code taken almost verbatim from DC/Protocol.pm
		3726
		3727	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3728	my $cmd = $1;
		3729	my @args = split /\|/, $2;
		3730	@args = (".*") unless @args;
		3731
		3732	$_ = $_ eq ".*" ? "" : " $_"
		3733	for @args;
		3734
		3735	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3736
		3737	push @command_help, [$type, \@variants, &cf::pod::as_cfpod ([$par])];
		3738	$level = $par->{level};
		3739	} else {
		3740	error "$par->{markup}: unparsable command heading";
		3741	}
		3742	} elsif ($par->{level} > $level) {
		3743	$command_help[-1][2] .= &cf::pod::as_cfpod ([$par]);
		3744	}
		3745
		3746	cf::cede_to_tick;
		3747	}
		3748	}
		3749
		3750	@command_help = sort {
		3751	$a->[0] <=> $b->[0]
		3752	or $a->[1] cmp $b->[1]
		3753	} @command_help;
		3754
		3755	cf::cede_to_tick;
		3756
		3757	add_face "res/command_help" => FT_RSRC,
		3758	JSON::XS->new->utf8->encode (\@command_help);
		3759	}
		3760
2295	sub reload_resources {	3761	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3762	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3763
		3764	reload_materials;
2298	load_faces	3765	reload_facedata;
2299	or die "unable to load faces\n";#d#	3766	reload_exp_table;
2300	}	3767	reload_sound;
2301		3768	reload_archetypes;
2302	sub init {
2303	reload_resources;	3769	reload_regions;
2304	}	3770	reload_treasures;
		3771	reload_pod;
2305		3772
2306	sub cfg_load {	3773	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3774	}
2308	or return;
2309		3775
2310	local $/;	3776	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3777	trace "reloading config file...\n";
2312		3778
		3779	my $config = load_file "$CONFDIR/config";
		3780	utf8::decode $config;
		3781	*CFG = decode_yaml $config;
		3782
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3783	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3784
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3785	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3786	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3787
2318	if (exists $CFG{mlockall}) {	3788	if (exists $CFG{mlockall}) {
…		…
2322	};	3792	};
2323	warn $@ if $@;	3793	warn $@ if $@;
2324	}	3794	}
2325	}	3795	}
2326		3796
		3797	sub pidfile() {
		3798	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3799	or die "$PIDFILE: $!";
		3800	flock $fh, &Fcntl::LOCK_EX
		3801	or die "$PIDFILE: flock: $!";
		3802	$fh
		3803	}
		3804
		3805	# make sure only one server instance is running at any one time
		3806	sub atomic {
		3807	my $fh = pidfile;
		3808
		3809	my $pid = <$fh>;
		3810	kill 9, $pid if $pid > 0;
		3811
		3812	seek $fh, 0, 0;
		3813	print $fh $$;
		3814	}
		3815
		3816	sub main_loop {
		3817	trace "EV::loop starting\n";
		3818	if (1) {
		3819	EV::loop;
		3820	}
		3821	trace "EV::loop returned\n";
		3822	goto &main_loop unless $REALLY_UNLOOP;
		3823	}
		3824
2327	sub main {	3825	sub main {
		3826	cf::init_globals; # initialise logging
		3827
		3828	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3829	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3830	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3831	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3832
		3833	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3834
2328	# we must not ever block the main coroutine	3835	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3836	$Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3837	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3838	(async {
2332	Event::one_event;	3839	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3840	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3841	})->prio (Coro::PRIO_MAX);
2334	};	3842	};
2335		3843
2336	cfg_load;	3844	evthread_start IO::AIO::poll_fileno;
		3845
		3846	cf::sync_job {
		3847	cf::incloader::init ();
		3848
2337	db_init;	3849	db_init;
		3850
		3851	cf::init_anim;
		3852	cf::init_attackmess;
		3853	cf::init_dynamic;
		3854
		3855	cf::load_settings;
		3856
		3857	reload_resources;
		3858	reload_config;
		3859
		3860	cf::init_uuid;
		3861	cf::init_signals;
		3862	cf::init_skills;
		3863
		3864	cf::init_beforeplay;
		3865
		3866	atomic;
		3867
2338	load_extensions;	3868	load_extensions;
2339		3869
2340	$TICK_WATCHER->start;	3870	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3871
		3872	# no (long-running) fork's whatsoever before this point(!)
		3873	use POSIX ();
		3874	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3875
		3876	cf::_post_init 0;
		3877	};
		3878
		3879	cf::object::thawer::errors_are_fatal 0;
		3880	info "parse errors in files are no longer fatal from this point on.\n";
		3881
		3882	AE::postpone {
		3883	undef &main; # free gobs of memory :)
		3884	};
		3885
		3886	goto &main_loop;
2342	}	3887	}
2343		3888
2344	#############################################################################	3889	#############################################################################
2345	# initialisation and cleanup	3890	# initialisation and cleanup
2346		3891
2347	# install some emergency cleanup handlers	3892	# install some emergency cleanup handlers
2348	BEGIN {	3893	BEGIN {
		3894	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3895	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3896	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3897	cf::cleanup "SIG$signal";
2357	},
2358	);	3898	};
		3899	}
		3900	}
		3901
		3902	sub write_runtime_sync {
		3903	my $t0 = AE::time;
		3904
		3905	# first touch the runtime file to show we are still running:
		3906	# the fsync below can take a very very long time.
		3907
		3908	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3909
		3910	my $guard = cf::lock_acquire "write_runtime";
		3911
		3912	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3913	or return;
		3914
		3915	my $value = $cf::RUNTIME + 90 + 10;
		3916	# 10 is the runtime save interval, for a monotonic clock
		3917	# 60 allows for the watchdog to kill the server.
		3918
		3919	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3920	and return;
		3921
		3922	# always fsync - this file is important
		3923	aio_fsync $fh
		3924	and return;
		3925
		3926	# touch it again to show we are up-to-date
		3927	aio_utime $fh, undef, undef;
		3928
		3929	close $fh
		3930	or return;
		3931
		3932	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3933	and return;
		3934
		3935	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3936
2359	}	3937	1
		3938	}
		3939
		3940	our $uuid_lock;
		3941	our $uuid_skip;
		3942
		3943	sub write_uuid_sync($) {
		3944	$uuid_skip ||= $_[0];
		3945
		3946	return if $uuid_lock;
		3947	local $uuid_lock = 1;
		3948
		3949	my $uuid = "$LOCALDIR/uuid";
		3950
		3951	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3952	or return;
		3953
		3954	my $value = uuid_seq uuid_cur;
		3955
		3956	unless ($value) {
		3957	info "cowardly refusing to write zero uuid value!\n";
		3958	return;
		3959	}
		3960
		3961	my $value = uuid_str $value + $uuid_skip;
		3962	$uuid_skip = 0;
		3963
		3964	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3965	and return;
		3966
		3967	# always fsync - this file is important
		3968	aio_fsync $fh
		3969	and return;
		3970
		3971	close $fh
		3972	or return;
		3973
		3974	aio_rename "$uuid~", $uuid
		3975	and return;
		3976
		3977	trace "uuid file written ($value).\n";
		3978
		3979	1
		3980
		3981	}
		3982
		3983	sub write_uuid($$) {
		3984	my ($skip, $sync) = @_;
		3985
		3986	$sync ? write_uuid_sync $skip
		3987	: async { write_uuid_sync $skip };
2360	}	3988	}
2361		3989
2362	sub emergency_save() {	3990	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3991	my $freeze_guard = cf::freeze_mainloop;
2364		3992
2365	warn "enter emergency perl save\n";	3993	info "emergency_perl_save: enter\n";
		3994
		3995	# this is a trade-off: we want to be very quick here, so
		3996	# save all maps without fsync, and later call a global sync
		3997	# (which in turn might be very very slow)
		3998	local $USE_FSYNC = 0;
2366		3999
2367	cf::sync_job {	4000	cf::sync_job {
		4001	cf::write_runtime_sync; # external watchdog should not bark
		4002
2368	# use a peculiar iteration method to avoid tripping on perl	4003	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	4004	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	4005	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	4006	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	4007	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	4008	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	4009	$pl->valid or next;
		4010	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	4011	$pl->save;
2376	}	4012	}
2377	warn "end emergency player save\n";	4013	info "emergency_perl_save: end player save\n";
2378		4014
2379	warn "begin emergency map save\n";	4015	cf::write_runtime_sync; # external watchdog should not bark
		4016
		4017	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	4018	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	4019	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	4020	$map->valid or next;
2383	$map->save;	4021	$map->save;
2384	}	4022	}
2385	warn "end emergency map save\n";	4023	info "emergency_perl_save: end map save\n";
2386		4024
2387	warn "begin emergency database checkpoint\n";	4025	cf::write_runtime_sync; # external watchdog should not bark
		4026
		4027	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	4028	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	4029	info "emergency_perl_save: end database checkpoint\n";
		4030
		4031	info "emergency_perl_save: begin write uuid\n";
		4032	write_uuid_sync 1;
		4033	info "emergency_perl_save: end write uuid\n";
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
		4036
		4037	trace "emergency_perl_save: syncing database to disk";
		4038	BDB::db_env_txn_checkpoint $DB_ENV;
		4039
		4040	info "emergency_perl_save: starting sync\n";
		4041	IO::AIO::aio_sync sub {
		4042	info "emergency_perl_save: finished sync\n";
		4043	};
		4044
		4045	cf::write_runtime_sync; # external watchdog should not bark
		4046
		4047	trace "emergency_perl_save: flushing outstanding aio requests";
		4048	while (IO::AIO::nreqs || BDB::nreqs) {
		4049	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4050	}
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
2390	};	4053	};
2391		4054
2392	warn "leave emergency perl save\n";	4055	info "emergency_perl_save: leave\n";
2393	}	4056	}
2394		4057
2395	sub post_cleanup {	4058	sub post_cleanup {
2396	my ($make_core) = @_;	4059	my ($make_core) = @_;
2397		4060
		4061	IO::AIO::flush;
		4062
2398	warn Carp::longmess "post_cleanup backtrace"	4063	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	4064	if $make_core;
2400	}
2401		4065
		4066	my $fh = pidfile;
		4067	unlink $PIDFILE if <$fh> == $$;
		4068	}
		4069
		4070	# a safer delete_package, copied from Symbol
		4071	sub clear_package($) {
		4072	my $pkg = shift;
		4073
		4074	# expand to full symbol table name if needed
		4075	unless ($pkg =~ /^main::.*::$/) {
		4076	$pkg = "main$pkg" if $pkg =~ /^::/;
		4077	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4078	$pkg .= '::' unless $pkg =~ /::$/;
		4079	}
		4080
		4081	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4082	my $stem_symtab = *{$stem}{HASH};
		4083
		4084	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4085	or return;
		4086
		4087	# clear all symbols
		4088	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4089	for my $name (keys %$leaf_symtab) {
		4090	_gv_clear *{"$pkg$name"};
		4091	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4092	}
		4093	}
		4094
2402	sub reload() {	4095	sub do_reload_perl() {
2403	# can/must only be called in main	4096	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	4097	unless (in_main) {
2405	warn "can only reload from main coroutine";	4098	error "can only reload from main coroutine";
2406	return;	4099	return;
2407	}	4100	}
2408		4101
2409	warn "reloading...";	4102	return if $RELOAD++;
2410		4103
2411	warn "entering sync_job";	4104	my $t1 = AE::time;
2412		4105
		4106	while ($RELOAD) {
		4107	cf::get_slot 0.1, -1, "reload_perl";
		4108	info "perl_reload: reloading...";
		4109
		4110	trace "perl_reload: entering sync_job";
		4111
2413	cf::sync_job {	4112	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	4113	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		4114
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	4115	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	4116	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	4117	%EXT_CORO = ();
2442		4118
2443	warn "removing commands";	4119	trace "perl_reload: removing commands";
2444	%COMMAND = ();	4120	%COMMAND = ();
2445		4121
2446	warn "removing ext commands";	4122	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	4123	%EXTCMD = ();
		4124	%EXTICMD = ();
2448		4125
2449	warn "unloading/nuking all extensions";	4126	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	4127	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	4128	trace "... unloading $pkg";
2452		4129
2453	if (my $cb = $pkg->can ("unload")) {	4130	if (my $cb = $pkg->can ("unload")) {
2454	eval {	4131	eval {
2455	$cb->($pkg);	4132	$cb->($pkg);
2456	1	4133	1
2457	} or warn "$pkg unloaded, but with errors: $@";	4134	} or error "$pkg unloaded, but with errors: $@";
		4135	}
		4136
		4137	trace "... clearing $pkg";
		4138	clear_package $pkg;
2458	}	4139	}
2459		4140
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	4141	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	4142	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4143	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		4144
2468	warn "... unloading $k";	4145	trace "... unloading $k";
2469	delete $INC{$k};	4146	delete $INC{$k};
2470		4147
2471	$k =~ s/\.pm$//;	4148	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	4149	$k =~ s/\//::/g;
2473		4150
2474	if (my $cb = $k->can ("unload_module")) {	4151	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	4152	$cb->();
		4153	}
		4154
		4155	clear_package $k;
2476	}	4156	}
2477		4157
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	4158	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	4159	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4160	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		4161
2485	warn "unloading cf.pm \"a bit\"";	4162	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	4163	delete $INC{"cf.pm"};
		4164	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		4165
2488	# don't, removes xs symbols, too,	4166	# don't, removes xs symbols, too,
2489	# and global variables created in xs	4167	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	4168	#clear_package __PACKAGE__;
2491		4169
2492	warn "unload completed, starting to reload now";	4170	info "perl_reload: unload completed, starting to reload now";
2493		4171
2494	warn "reloading cf.pm";	4172	trace "perl_reload: reloading cf.pm";
2495	require cf;	4173	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4174	cf::_connect_to_perl_1;
2497		4175
2498	warn "loading config and database again";	4176	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	4177	cf::reload_config;
2500		4178
2501	warn "loading extensions";	4179	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	4180	cf::load_extensions;
2503		4181
		4182	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	4183	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	4184	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	4185	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	4186	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	4187	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	4188	reattach $_ for values %PLAYER;
		4189	}
2510		4190
2511	warn "loading reloadable resources";	4191	cf::_post_init 1;
2512	reload_resources;
2513		4192
2514	warn "leaving sync_job";	4193	trace "perl_reload: leaving sync_job";
2515		4194
2516	1	4195	1
2517	} or do {	4196	} or do {
2518	warn $@;	4197	error $@;
2519	warn "error while reloading, exiting.";	4198	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	4199	};
		4200
		4201	--$RELOAD;
		4202	}
		4203
		4204	$t1 = AE::time - $t1;
		4205	info "perl_reload: completed in ${t1}s\n";
		4206	};
		4207
		4208	our $RELOAD_WATCHER; # used only during reload
		4209
		4210	sub reload_perl() {
		4211	# doing reload synchronously and two reloads happen back-to-back,
		4212	# coro crashes during coro_state_free->destroy here.
		4213
		4214	$RELOAD_WATCHER ||= cf::async {
		4215	Coro::AIO::aio_wait cache_extensions;
		4216
		4217	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4218	do_reload_perl;
		4219	undef $RELOAD_WATCHER;
		4220	};
2521	};	4221	};
2522		4222	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4223
2528	register_command "reload" => sub {	4224	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4225	my ($who, $arg) = @_;
2530		4226
2531	if ($who->flag (FLAG_WIZ)) {	4227	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4228	$who->message ("reloading server.");
2533		4229	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4230	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4231	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4232	};
2546	}	4233	}
2547	};	4234	};
2548		4235
2549	unshift @INC, $LIBDIR;	4236	#############################################################################
2550		4237
2551	my $bug_warning = 0;	4238	my $bug_warning = 0;
2552		4239
2553	$TICK_WATCHER = Event->timer (	4240	sub wait_for_tick() {
2554	reentrant => 0,	4241	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2555	parked => 1,	4242
2556	prio => 0,	4243	$WAIT_FOR_TICK->wait;
2557	at => $NEXT_TICK || $TICK,	4244	}
2558	data => WF_AUTOCANCEL,	4245
2559	cb => sub {	4246	sub wait_for_tick_begin() {
		4247	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4248
		4249	my $signal = new Coro::Signal;
		4250	push @WAIT_FOR_TICK_BEGIN, $signal;
		4251	$signal->wait;
		4252	}
		4253
		4254	sub tick {
2560	if ($Coro::current != $Coro::main) {	4255	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4256	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4257	unless ++$bug_warning > 10;
2563	return;	4258	return;
2564	}	4259	}
2565		4260
2566	$NOW = Event::time;	4261	cf::one_tick; # one server iteration
2567		4262
2568	cf::server_tick; # one server iteration	4263	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4264
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4265	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4266	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4267	Coro::async_pool {
		4268	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4269	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4270	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4271	};
		4272	}
2579		4273
		4274	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4275	$sig->send;
		4276	}
2580	$WAIT_FOR_TICK->broadcast;	4277	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582		4278
2583	# my $AFTER = Event::time;	4279	$LOAD = ($NOW - $TICK_START) / $TICK;
2584	# warn $AFTER - $NOW;#d#	4280	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2585		4281
2586	# if we are delayed by four ticks or more, skip them all	4282	if (0) {
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4283	if ($NEXT_TICK) {
2588		4284	my $jitter = $TICK_START - $NEXT_TICK;
2589	$TICK_WATCHER->at ($NEXT_TICK);	4285	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2590	$TICK_WATCHER->start;	4286	debug "jitter $JITTER\n";#d#
		4287	}
2591	},	4288	}
2592	);	4289	}
2593		4290
2594	{	4291	{
2595	BDB::max_poll_time $TICK * 0.1;	4292	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4293	info "initialising database";
2597	reentrant => 0,	4294
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4295	BDB::min_parallel 16;
2605		4296	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4297	#$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4298
2621	unless ($DB_ENV) {	4299	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4300	$DB_ENV = BDB::db_env_create;
		4301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4302	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4303	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4304	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4305	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4306
2624	cf::sync_job {	4307	cf::sync_job {
2625	eval {	4308	eval {
2626	BDB::db_env_open	4309	BDB::db_env_open
2627	$DB_ENV,	4310	$DB_ENV,
2628	$BDB_ENV_DIR,	4311	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4312	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4313	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4314	0666;
2632		4315
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4316	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4317	};
2638		4318
2639	cf::cleanup "db_env_open(db): $@" if $@;	4319	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4320	};
2641	}	4321	}
		4322
		4323	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4324	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4325	};
		4326	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4327	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4328	};
		4329	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4330	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4331	};
		4332
		4333	info "database initialised";
2642	}	4334	}
2643		4335
2644	{	4336	{
		4337	# configure IO::AIO
		4338
		4339	info "initialising aio";
2645	IO::AIO::min_parallel 8;	4340	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4341	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4342	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,	4343	info "aio initialised";
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4344	}
		4345
		4346	our $_log_backtrace;
		4347	our $_log_backtrace_last;
		4348
		4349	sub _log_backtrace {
		4350	my ($msg, @addr) = @_;
		4351
		4352	$msg =~ s/\n$//;
		4353
		4354	if ($_log_backtrace_last eq $msg) {
		4355	LOG llevInfo, "[ABT] $msg\n";
		4356	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4357	# limit the # of concurrent backtraces
		4358	} elsif ($_log_backtrace < 2) {
		4359	$_log_backtrace_last = $msg;
		4360	++$_log_backtrace;
		4361	my $perl_bt = Carp::longmess $msg;
		4362	async {
		4363	$Coro::current->{desc} = "abt $msg";
		4364
		4365	my @bt = fork_call {
		4366	@addr = map { sprintf "%x", $_ } @addr;
		4367	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4368	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4369	or die "addr2line: $!";
		4370
		4371	my @funcs;
		4372	my @res = <$fh>;
		4373	chomp for @res;
		4374	while (@res) {
		4375	my ($func, $line) = splice @res, 0, 2, ();
		4376	push @funcs, "[$func] $line";
		4377	}
		4378
		4379	@funcs
		4380	};
		4381
		4382	LOG llevInfo, "[ABT] $perl_bt\n";
		4383	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4384	LOG llevInfo, "[ABT] $_\n" for @bt;
		4385	--$_log_backtrace;
		4386	};
		4387	} else {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4390	}
		4391	}
		4392
		4393	# load additional modules
		4394	require "cf/$_.pm" for @EXTRA_MODULES;
		4395	cf::_connect_to_perl_2;
2658		4396
2659	END { cf::emergency_save }	4397	END { cf::emergency_save }
2660		4398
2661	1	4399	1
2662		4400

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