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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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;
		64	use Compress::LZF;
		65	use Digest::MD5 ();
27		66
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	67	AnyEvent::detect;
		68
		69	# configure various modules to our taste
		70	#
		71	$Storable::canonical = 1; # reduce rsync transfers
		72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		79
		80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
29		82
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		84
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	85	our @ORIG_INC;
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		86
37	our %COMMAND = ();	87	our %COMMAND = ();
38	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
39		89
40	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
44		95
		96	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	97	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
47		100
48	our $TICK = MAX_TIME * 1e-6;	101	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	102
50	our $AIO_POLL_WATCHER;	103	our $DATADIR = datadir;
51	our $WRITE_RUNTIME_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
		108	our $LOCALDIR = localdir;
		109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		112	our $RANDOMDIR = "$LOCALDIR/random";
		113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
		124
		125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	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;
53	our $NOW;	143	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		144
56	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
57	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
58
59	our %CFG;
60
61	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;
63
64	our %PLAYER; # all users
65	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		148
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
76	binmode STDOUT;	165	binmode STDOUT;
77	binmode STDERR;	166	binmode STDERR;
78		167
79	# read virtual server time, if available	168	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	170	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
84	}	173	}
85		174
86	mkdir cf::localdir;	175	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	176
88	mkdir cf::localdir . "/" . cf::tmpdir;	177	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		179
93	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
94		181
95	sub cf::map::normalise;	182	sub cf::map::normalise;
96		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
97	#############################################################################	188	#############################################################################
98		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
99	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
100		202
101	=over 4	203	=over 4
102		204
103	=item $cf::UPTIME	205	=item $cf::UPTIME
104		206
105	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.
106		223
107	=item $cf::RUNTIME	224	=item $cf::RUNTIME
108		225
109	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
110	every server tick.	227	every server tick.
111		228
112	=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
113		232
114	The perl library directory, where extensions and cf-specific modules can	233	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		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
117	=item $cf::NOW	244	=item $cf::LOAD
118		245
119	The time of the last (current) server tick.	246	The raw value load value from the last tick.
120
121	=item $cf::TICK
122
123	The interval between server ticks, in seconds.
124		247
125	=item %cf::CFG	248	=item %cf::CFG
126		249
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	251	from wherever your confdir points to.
129		252
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		254
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
134	processing has been done. Call C<< ->wait >> on them to maximise the	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.	258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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.
136		287
137	=back	288	=back
138		289
139	=cut	290	=cut
140		291
141	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	299	my $msg = join "", @_;
144	utf8::encode $msg;
145		300
146	$msg .= "\n"	301	$msg .= "\n"
147	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
148		303
		304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		305
149	LOG llevError, $msg;	306	LOG llevWarn, $msg;
150	};	307	};
151	}	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	};
152		322
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		330
160	# 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
161	# within the Safe compartment.	332	# within the Safe compartment.
162	for my $pkg (qw(	333	for my $pkg (qw(
163	cf::global cf::attachable	334	cf::global cf::attachable
164	cf::object cf::object::player	335	cf::object cf::object::player
165	cf::client cf::player	336	cf::client cf::player
166	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
167	cf::map cf::party cf::region	339	cf::party cf::region
168	)) {	340	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	342	}
172		343
173	$Event::DIED = sub {	344	$EV::DIED = sub {
174	warn "error in event callback: @_";	345	warn "error in event callback: $@";
175	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
		352
		353	#############################################################################
176		354
177	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
178		356
179	=over 4	357	=over 4
180		358
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	378	$d
201	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
202	}	380	}
203		381
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
205		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
206	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
207		435
208	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
209		437
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
218		439
219	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
220		441
221	=cut	442	=cut
222		443
223	sub to_json($) {	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	445
225	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	}
226	}	509	}
227		510
228	=item cf::lock_wait $string	511	=item cf::lock_wait $string
229		512
230	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
231		514
232	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
233		516
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
237	returned.	520	returned.
238		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
239	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
240	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
241		527
242	=cut	528	=item $locked = cf::lock_active $string
243		529
244	our %LOCK;	530	Return true if the lock is currently active, i.e. somebody has locked it.
		531
		532	=cut
		533
		534	our $LOCKS = new Coro::SemaphoreSet;
245		535
246	sub lock_wait($) {	536	sub lock_wait($) {
247	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	538	}
255		539
256	sub lock_acquire($) {	540	sub lock_acquire($) {
257	my ($key) = @_;	541	$LOCKS->guard ($_[0])
		542	}
258		543
259	# wait, to be sure we are not locked	544	sub lock_active($) {
260	lock_wait $key;	545	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	546	}
269		547
270	sub freeze_mainloop {	548	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
272		550
273	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	552	}
275	$WRITE_RUNTIME_WATCHER->start;	553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
276	};	621	}
277	$WRITE_RUNTIME_WATCHER->stop;	622	};
278	$TICK_WATCHER->stop;	623
279	$guard	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
280	}	637	}
281		638
282	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
283		640
284	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		646
290	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
291		648
292	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
293		650
294	The design of crossfire+ requires that the main coro ($Coro::main) is	651	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	652	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		654	acceptable.
297		655
298	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	658	server will be frozen during this time, so the block should either finish
301	fast or be very important.	659	fast or be very important.
…		…
303	=cut	661	=cut
304		662
305	sub sync_job(&) {	663	sub sync_job(&) {
306	my ($job) = @_;	664	my ($job) = @_;
307		665
308	if ($Coro::current == $Coro::main) {	666	if (in_main) {
		667	my $time = AE::time;
		668
309	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
311		671
312	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	673
314	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
315		675
316	my $busy = 1;	676	my $busy = 1;
317	my @res;	677	my @res;
318		678
319	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	681	@res = eval { $job->() };
321	warn $@ if $@;	682	error $@ if $@;
322	undef $busy;	683	undef $busy;
323	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
324		685
325	while ($busy) {	686	while ($busy) {
326	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
327	}	691	}
		692	}
		693
		694	my $time = AE::time - $time;
		695
		696	$TICK_START += $time; # do not account sync jobs to server load
328		697
329	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
330	} else {	699	} else {
331	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
332		701
…		…
352	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
353		722
354	$coro	723	$coro
355	}	724	}
356		725
357	sub write_runtime {	726	=item fork_call { }, @args
358	my $runtime = cf::localdir . "/runtime";
359		727
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	728	Executes the given code block with the given arguments in a seperate
361	or return;	729	process, returning the results. Everything must be serialisable with
		730	Coro::Storable. May, of course, block. Note that the executed sub may
		731	never block itself or use any form of event handling.
362		732
363	my $value = $cf::RUNTIME + 90 + 10;	733	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		734
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub post_fork {
368	and return;	736	reset_signals;
		737	}
369		738
370	# always fsync - this file is important	739	sub fork_call(&@) {
371	aio_fsync $fh	740	my ($cb, @args) = @_;
372	and return;
373		741
374	close $fh	742	# we seemingly have to make a local copy of the whole thing,
375	or return;	743	# otherwise perl prematurely frees the stuff :/
		744	# TODO: investigate and fix (likely this will be rather laborious)
376		745
377	aio_rename "$runtime~", $runtime	746	my @res = Coro::Util::fork_eval {
378	and return;	747	cf::post_fork;
		748	&$cb
		749	} @args;
379		750
		751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
380	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 });
381	}	929	}
382		930
383	=back	931	=back
384		932
385	=cut	933	=cut
386		934
387	#############################################################################	935	#############################################################################
388		936
389	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
390		938
391	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
392	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")
393	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
394		942
395	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>
396	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
397	crossfire+).	945	Deliantra).
398		946
399	=over 4	947	=over 4
400		948
401	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
402		950
…		…
446	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
447		995
448	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
450		998
451	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
453		1001
454	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
455		1003
456	=over 4	1004	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	1113	$registry = $CB_TYPE[$object_type] ||= [];
566		1114
567	} elsif ($type eq "subtype") {	1115	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	1116	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	1117	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1118	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		1119
572	} elsif ($type eq "package") {	1120	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	1121	my $pkg = shift @arg;
574		1122
575	while (my ($name, $id) = each %cb_id) {	1123	while (my ($name, $id) = each %cb_id) {
…		…
580		1128
581	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		1131
584	} elsif (ref $type) {	1132	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
586		1134
587	} else {	1135	} else {
588	shift @arg;	1136	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
590	}	1138	}
591	}	1139	}
592	}	1140	}
593		1141
594	sub _object_attach {	1142	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
605	}	1153	}
606		1154
607	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
608	} else {	1156	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1158	}
611		1159
612	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
613	}	1161	}
614		1162
…		…
616	if (ref $_[0]) {	1164	if (ref $_[0]) {
617	_object_attach @_;	1165	_object_attach @_;
618	} else {	1166	} else {
619	_attach shift->_attach_registry, @_;	1167	_attach shift->_attach_registry, @_;
620	}	1168	}
		1169	_recalc_want;
621	};	1170	};
622		1171
623	# all those should be optimised	1172	# all those should be optimised
624	sub cf::attachable::detach {	1173	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1174	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1177	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1178	reattach ($obj);
630	} else {	1179	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1180	Carp::croak "cannot, currently, detach class attachments";
632	}	1181	}
		1182	_recalc_want;
633	};	1183	};
634		1184
635	sub cf::attachable::attached {	1185	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1186	my ($obj, $name) = @_;
637		1187
…		…
652	";	1202	";
653	die if $@;	1203	die if $@;
654	}	1204	}
655		1205
656	our $override;	1206	our $override;
657	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?
658		1208
659	sub override {	1209	sub override {
660	$override = 1;	1210	$override = 1;
661	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
662	}	1212	}
663		1213
664	sub do_invoke {	1214	sub do_invoke {
665	my $event = shift;	1215	my $event = shift;
666	my $callbacks = shift;	1216	my $callbacks = shift;
667		1217
668	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
669		1219
670	local $override;	1220	local $override;
671		1221
672	for (@$callbacks) {	1222	for (@$callbacks) {
673	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
674		1224
675	if ($@) {	1225	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1227	override;
679	}	1228	}
680		1229
681	return 1 if $override;	1230	return 1 if $override;
682	}	1231	}
683		1232
684	0	1233	0
685	}	1234	}
686		1235
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1237
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1239
691	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
692		1241
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1245
697	=back	1246	=back
698		1247
699	=cut	1248	=cut
700		1249
701	#############################################################################	1250	#############################################################################
702	# 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, $ob2
		1293	}
703		1294
704	sub reattach {	1295	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1297	my ($obj) = @_;
707		1298
		1299	# no longer needed after getting rid of delete_package?
708	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
709		1301
710	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
711		1303
712	@$registry = ();	1304	@$registry = ();
713		1305
…		…
718	for (@$attach) {	1310	for (@$attach) {
719	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
721	}	1313	}
722	} else {	1314	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1316	}
725	}	1317	}
726	}	1318	}
727		1319
728	cf::attachable->attach (	1320	cf::attachable->attach (
729	prio => -1000000,	1321	prio => -1000000,
730	on_instantiate => sub {	1322	on_instantiate => sub {
731	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
732		1324
733	$data = from_json $data;	1325	$data = decode_json $data;
734		1326
735	for (@$data) {	1327	for (@$data) {
736	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
737		1329
738	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1346	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
756		1348
757	sync_job {	1349	sync_job {
758	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
761		1355
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	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	}
766	close $fh;	1363	aio_close $fh;
767		1364
768	if (@$objs) {	1365	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
773	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	}
774	close $fh;	1374	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
776	}	1376	}
777	} else {	1377	} else {
778	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
779	}	1379	}
780		1380
781	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1385	} else {
783	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
784	}	1387	}
785	} else {	1388	} else {
786	aio_unlink $filename;	1389	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
788	}	1391	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1392	};
796	}	1393	}
797		1394
798	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
800		1397
…		…
805		1402
806	sub object_thawer_load {	1403	sub object_thawer_load {
807	my ($filename) = @_;	1404	my ($filename) = @_;
808		1405
809	my ($data, $av);	1406	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1407
814	(aio_load $filename, $data) >= 0	1408	(aio_load $filename, $data) >= 0
815	or return;	1409	or return;
816		1410
817	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
819	or return;	1413	or return;
		1414
820	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
821	}	1417	}
822		1418
		1419	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
825	return ($data, $av);	1424	($data, $av)
826	}	1425	}
		1426
		1427	=head2 COMMAND CALLBACKS
		1428
		1429	=over 4
		1430
		1431	=cut
827		1432
828	#############################################################################	1433	#############################################################################
829	# command handling &c	1434	# command handling &c
830		1435
831	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
832		1437
833	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
834	$name.	1439	$name.
835		1440
836	=cut	1441	=cut
…		…
842	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
843		1448
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1450	}
846		1451
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
848		1453
849	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.
850		1459
851	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
852	called.	1461	called.
853		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
854	=cut	1474	=cut
855		1475
856	sub register_extcmd {	1476	sub register_extcmd {
857	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
858		1478
859	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
860	}	1480	}
861		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
862	cf::player->attach (	1490	cf::player->attach (
863	on_command => sub {	1491	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
865		1493
866	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
867	or return;	1495	or return;
868		1496
…		…
873	cf::override;	1501	cf::override;
874	},	1502	},
875	on_extcmd => sub {	1503	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
877		1505
878	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1507
880	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
886	} else {	1520	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1522	}
889		1523
890	cf::override;	1524	cf::override;
891	},	1525	},
892	);	1526	);
893		1527
		1528	# "readahead" all extensions
894	sub load_extension {	1529	sub cache_extensions {
895	my ($path) = @_;	1530	my $grp = IO::AIO::aio_group;
896		1531
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1533	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1535	}
922	die $@;
923	}	1536	};
924		1537
925	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;
926	}	1550	}
927		1551
928	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
		1557	cf::sync_job {
		1558	my %todo;
		1559
929	for my $ext (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1561	next unless -r $path;
931	eval {	1562
932	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 $active;
		1634	}
933	1	1635	}
934	} or warn "$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	}
935	}	1648	};
936	}	1649	}
937		1650
938	#############################################################################	1651	#############################################################################
939		1652
		1653	=back
		1654
940	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
941		1656
942	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
943		1658
944	=cut	1659	=cut
945		1660
946	package cf::player;	1661	package cf::player;
947		1662
…		…
949		1664
950	=head3 cf::player	1665	=head3 cf::player
951		1666
952	=over 4	1667	=over 4
953		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
954	=item cf::player::find $login	1683	=item cf::player::find $login
955		1684
956	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
957		1686
958	=cut	1687	=cut
959		1688
960	sub playerdir($) {	1689	sub playerdir($) {
961	cf::localdir	1690	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1691	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1692	}
967		1693
968	sub path($) {	1694	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1695	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1696
971	(playerdir $login) . "/$login.pl"	1697	(playerdir $login) . "/playerdata"
972	}	1698	}
973		1699
974	sub find_active($) {	1700	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1701	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1702	and $cf::PLAYER{$_[0]}->active
…		…
979		1705
980	sub exists($) {	1706	sub exists($) {
981	my ($login) = @_;	1707	my ($login) = @_;
982		1708
983	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
985	}	1711	}
986		1712
987	sub find($) {	1713	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1715	my $login = $_[0];
990		1716
991	my $guard = cf::lock_acquire "user_find:$login";	1717	my $guard = cf::lock_acquire "user_find:$login";
992		1718
993	$cf::PLAYER{$_[0]} || do {	1719	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
997	}	1736	}
998	}	1737	}
999	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1000		1752
1001	sub save($) {	1753	sub save($) {
1002	my ($pl) = @_;	1754	my ($pl) = @_;
1003		1755
1004	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1010		1762
1011	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1013		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
1014	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1015	Coro::cede;	1772	cf::cede_to_tick;
1016	}	1773	}
1017		1774
1018	sub new($) {	1775	sub new($) {
1019	my ($login) = @_;	1776	my ($login) = @_;
1020		1777
…		…
1026	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1027		1784
1028	$self	1785	$self
1029	}	1786	}
1030		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
1031	=item $pl->quit_character	1798	=item $pl->quit_character
1032		1799
1033	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1035		1802
1036	=cut	1803	=cut
1037		1804
1038	sub quit_character {	1805	sub quit_character {
1039	my ($pl) = @_;	1806	my ($pl) = @_;
1040		1807
		1808	my $name = $pl->ob->name;
		1809
1041	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1042	$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
1043		1812
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1045	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1047	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1048		1821
1049	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1825	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1826	$pl->destroy;
		1827
		1828	my $prefix = qr<^~\Q$name\E/>;
		1829
		1830	# nuke player maps
		1831	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1832
1054	IO::AIO::aio_rmtree $temp;	1833	IO::AIO::aio_rmtree $temp;
		1834	}
		1835
		1836	=item $pl->kick
		1837
		1838	Kicks a player out of the game. This destroys the connection.
		1839
		1840	=cut
		1841
		1842	sub kick {
		1843	my ($pl, $kicker) = @_;
		1844
		1845	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1846	$pl->killer ("kicked");
		1847	$pl->ns->destroy;
1055	}	1848	}
1056		1849
1057	=item cf::player::list_logins	1850	=item cf::player::list_logins
1058		1851
1059	Returns am arrayref of all valid playernames in the system, can take a	1852	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1853	while and may block, so not sync_job-capable, ever.
1061		1854
1062	=cut	1855	=cut
1063		1856
1064	sub list_logins {	1857	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1858	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1859	or return [];
1067		1860
1068	my @logins;	1861	my @logins;
1069		1862
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1074		1873
1075	utf8::decode $login;	1874	utf8::decode $login;
1076	push @logins, $login;	1875	push @logins, $login;
1077	}	1876	}
1078		1877
1079	\@logins	1878	\@logins
1080	}	1879	}
1081		1880
1082	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1083		1884
1084	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1085	player. May block.	1886	player. May block.
1086		1887
1087	=cut	1888	=cut
…		…
1105	}	1906	}
1106		1907
1107	\@paths	1908	\@paths
1108	}	1909	}
1109		1910
		1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1912
		1913	Expand deliantra pod fragments into protocol xml.
		1914
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1915	=item $player->ext_msg ($type, @msg)
1111		1916
1112	Sends an ext reply to the player.	1917	Sends an ext event to the client.
1113		1918
1114	=cut	1919	=cut
1115		1920
1116	sub ext_reply($$$%) {	1921	sub ext_msg($$@) {
1117	my ($self, $id, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1118		1923
1119	$msg{msgid} = $id;	1924	$self->ns->ext_msg ($type, @msg);
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1925	}
1123		1926
1124	package cf;	1927	=head3 cf::region
		1928
		1929	=over 4
		1930
		1931	=cut
		1932
		1933	package cf::region;
		1934
		1935	=item cf::region::find_by_path $path
		1936
		1937	Tries to decuce the likely region for a map knowing only its path.
		1938
		1939	=cut
		1940
		1941	sub find_by_path($) {
		1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
		1946	my ($match, $specificity);
		1947
		1948	for my $region (list) {
		1949	if ($region->{match} && $path =~ $region->{match}) {
		1950	($match, $specificity) = ($region, $region->specificity)
		1951	if $region->specificity > $specificity;
		1952	}
		1953	}
		1954
		1955	$match
		1956	}
1125		1957
1126	=back	1958	=back
1127
1128		1959
1129	=head3 cf::map	1960	=head3 cf::map
1130		1961
1131	=over 4	1962	=over 4
1132		1963
…		…
1144	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1146		1977
1147	sub generate_random_map {	1978	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1150	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region}), $rmp->{custom}
1162	)
1163	}	1984	}
1164		1985
1165	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1166		1987
1167	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1172		1993
1173	sub register {	1994	sub register {
1174	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	1996	my $pkg = caller;
1176		1997
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		1999
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	2001	}
1182		2002
1183	# also paths starting with '/'	2003	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		2005
1186	sub thawer_merge {	2006	sub thawer_merge {
1187	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1188		2008
1189	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
1190	local $self->{path};	2010	local $self->{path};
1191	local $self->{load_path};	2011	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		2012
1195	$self->SUPER::thawer_merge ($merge);	2013	$self->SUPER::thawer_merge ($merge);
1196	}	2014	}
1197		2015
1198	sub normalise {	2016	sub normalise {
1199	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1200		2018
1201	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1202		2020
1203	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1204		2022
1205	# map plan:	2023	# map plan:
1206	#	2024	#
…		…
1221	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	2040	$path = "$base/$path";
1223	}	2041	}
1224		2042
1225	for ($path) {	2043	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1229	}	2046	}
1230		2047
1231	$path	2048	$path
…		…
1245	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1246	return $self;	2063	return $self;
1247	}	2064	}
1248	}	2065	}
1249		2066
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2068	()
1252	}	2069	}
1253		2070
		2071	# may re-bless or do other evil things
1254	sub init {	2072	sub init {
1255	my ($self) = @_;	2073	my ($self) = @_;
1256		2074
1257	$self	2075	$self
1258	}	2076	}
…		…
1270		2088
1271	# the original (read-only) location	2089	# the original (read-only) location
1272	sub load_path {	2090	sub load_path {
1273	my ($self) = @_;	2091	my ($self) = @_;
1274		2092
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2093	"$MAPDIR/$self->{path}.map"
1276	}	2094	}
1277		2095
1278	# the temporary/swap location	2096	# the temporary/swap location
1279	sub save_path {	2097	sub save_path {
1280	my ($self) = @_;	2098	my ($self) = @_;
1281		2099
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2101	"$TMPDIR/$path.map"
1284	}	2102	}
1285		2103
1286	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1287	sub uniq_path {	2105	sub uniq_path {
1288	my ($self) = @_;	2106	my ($self) = @_;
1289		2107
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2109	"$UNIQUEDIR/$path"
1292	}	2110	}
1293		2111
1294	# and all this just because we cannot iterate over	2112	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2113	my ($self) = @_;
1298		2114
1299	$_->change_map_light ($change)	2115	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2116
		2117	$self->do_decay_objects;
1301	}	2118	}
1302		2119
1303	sub unlink_save {	2120	sub unlink_save {
1304	my ($self) = @_;	2121	my ($self) = @_;
1305		2122
1306	utf8::encode (my $save = $self->save_path);	2123	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2124	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2125	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	2126	}
1315		2127
1316	sub load_header_from($) {	2128	sub load_header_from($) {
1317	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1318		2130
1319	utf8::encode $path;	2131	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2133	or return;
1325		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1326	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1327		2142
1328	1	2143	1
1329	}	2144	}
1330		2145
		2146	# used to laod the header of an original map
1331	sub load_header_orig {	2147	sub load_header_orig {
1332	my ($self) = @_;	2148	my ($self) = @_;
1333		2149
1334	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1335	}	2151	}
1336		2152
		2153	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2154	sub load_header_temp {
1338	my ($self) = @_;	2155	my ($self) = @_;
1339		2156
1340	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1341	}	2158	}
1342		2159
		2160	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2161	sub prepare_temp {
1344	my ($self) = @_;	2162	my ($self) = @_;
1345		2163
1346	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1348	# safety	2166	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2169	}
1352		2170
		2171	# called after loading the header from an original map
1353	sub prepare_orig {	2172	sub prepare_orig {
1354	my ($self) = @_;	2173	my ($self) = @_;
1355		2174
1356	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2187	$self->load_header_orig
1369	or return;	2188	or return;
1370	$self->prepare_orig;	2189	$self->prepare_orig;
1371	}	2190	}
1372		2191
		2192	$self->{deny_reset} = 1
		2193	if $self->no_reset;
		2194
		2195	$self->default_region (cf::region::find_by_path $self->{path})
		2196	unless $self->default_region;
		2197
1373	1	2198	1
1374	}	2199	}
1375		2200
1376	sub find;	2201	sub find;
1377	sub find {	2202	sub find {
1378	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1379		2204
		2205	cf::cede_to_tick;
		2206
1380	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1381		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2211
1384	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1387	or return;	2214	or return;
1388		2215
1389	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1390		2217
1391	$map->load_header	2218	$map->load_header
1392	or return;	2219	or return;
1393		2220
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1397	$map->reset;	2226	$map->reset;
1398	undef $guard;
1399	return find $path;	2227	return find $path;
1400	}	2228	}
1401		2229
1402	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1403	}	2231	}
1404	}	2232	}
1405		2233
1406	sub pre_load { }	2234	sub pre_load { }
1407	sub post_load { }	2235	#sub post_load { } # XS
1408		2236
1409	sub load {	2237	sub load {
1410	my ($self) = @_;	2238	my ($self) = @_;
1411		2239
1412	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1413		2241
1414	my $path = $self->{path};	2242	my $path = $self->{path};
		2243
		2244	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1416		2246
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2247	return unless $self->valid;
		2248	return unless $self->state == cf::MAP_SWAPPED;
1418		2249
1419	$self->in_memory (cf::MAP_LOADING);
1420
1421	$self->alloc;	2250	$self->alloc;
1422		2251
1423	$self->pre_load;	2252	$self->pre_load;
		2253	cf::cede_to_tick;
1424		2254
1425	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1426	or return;	2259	or return;
1427		2260
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1429	if delete $self->{load_original};	2262	if delete $self->{load_original};
1430		2263
1431	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2265	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2268	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1436	}	2273	}
1437	}
1438		2274
1439	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
1440		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1441	# now do the right thing for maps	2284	# now do the right thing for maps
1442	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2287	unless $self->difficulty;
1452	Coro::cede;	2288	cf::cede_to_tick;
1453	$self->activate;	2289
		2290	unless ($self->{deny_activate}) {
		2291	$self->decay_objects;
		2292	$self->fix_auto_apply;
		2293	$self->update_buttons;
		2294	cf::cede_to_tick;
		2295	#$self->activate; # no longer activate maps automatically
		2296	}
		2297
		2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1454	}	2300	}
1455		2301
1456	$self->post_load;	2302	$self->post_load;
1457		2303
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2304	1
1459	}	2305	}
1460		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2310	sub customise_for {
1462	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1463		2312
1464	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2314	if $self->per_player;
1466		2315
		2316	# return find "?party/" . $ob->name . "/" . $self->{path}
		2317	# if $self->per_party;
		2318
1467	$self	2319	$self
1468	}
1469
1470	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {
1472	my ($map) = @_;
1473
1474	my @diag; # diagonal neighbours
1475
1476	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)
1478	or next;
1479	$neigh = find $neigh, $map
1480	or next;
1481	$neigh->load;
1482
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}
1486
1487	for (@diag) {
1488	my $neigh = find @$_
1489	or next;
1490	$neigh->load;
1491	}
1492	}	2320	}
1493		2321
1494	sub find_sync {	2322	sub find_sync {
1495	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1496		2324
1497	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1498	}	2330	}
1499		2331
1500	sub do_load_sync {	2332	sub do_load_sync {
1501	my ($map) = @_;	2333	my ($map) = @_;
1502		2334
1503	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1504	}	2340	}
1505		2341
1506	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1508		2344
1509	sub find_async {	2345	sub find_async {
1510	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1511		2347
1512	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1513		2349
1514	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1516	}	2352	}
1517		2353
1518	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1519	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1520	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2361	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2362	$map->load if $v;
		2363	}
1525		2364
1526	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1527	}	2366	}
1528	}	2367	}
1529	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1530	};	2369	};
1531	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1532		2371
1533	()	2372	()
1534	}	2373	}
1535		2374
		2375	# common code, used by both ->save and ->swapout
1536	sub save {	2376	sub _save {
1537	my ($self) = @_;	2377	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2378
1541	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1542		2380
1543	return unless $self->dirty;	2381	return unless $self->dirty;
1544		2382
…		…
1550	return if $self->{deny_save};	2388	return if $self->{deny_save};
1551		2389
1552	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1553		2391
1554	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1556	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1557		2398
1558	if ($uniq) {	2399	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2402	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2404	}
1564	}	2405	}
1565		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1566	sub swap_out {	2415	sub swap_out {
1567	my ($self) = @_;	2416	my ($self) = @_;
1568		2417
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1574	return if $self->players;	2422	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1578	$self->clear;	2433	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2434	}
1581		2435
1582	sub reset_at {	2436	sub reset_at {
1583	my ($self) = @_;	2437	my ($self) = @_;
1584		2438
1585	# TODO: safety, remove and allow resettable per-player maps	2439	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2440	return 1e99 if $self->{deny_reset};
1588		2441
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2444
…		…
1602	my ($self) = @_;	2455	my ($self) = @_;
1603		2456
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2458
1606	return if $self->players;	2459	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2460
1609	warn "resetting map ", $self->path;#d#	2461	cf::trace "resetting map ", $self->path, "\n";
		2462
		2463	$self->state (cf::MAP_SWAPPED);
		2464
		2465	# need to save uniques path
		2466	unless ($self->{deny_save}) {
		2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2468
		2469	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2470	if $uniq;
		2471	}
1610		2472
1611	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1612		2474
1613	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2477	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2478
1618	$self->unlink_save;	2479	$self->unlink_save;
1619	$self->destroy;	2480	$self->destroy;
1620	}	2481	}
1621		2482
1622	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1623		2484
1624	sub nuke {	2485	sub nuke {
1625	my ($self) = @_;	2486	my ($self) = @_;
1626		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1627	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1628		2492
1629	$self->unlink_save;	2493	$self->unlink_save;
1630		2494
1631	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2500
1637	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1638		2503
1639	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
		2505	}
		2506
		2507	=item $maps = cf::map::tmp_maps
		2508
		2509	Returns an arrayref with all map paths of currently instantiated and saved
		2510	maps. May block.
		2511
		2512	=cut
		2513
		2514	sub tmp_maps() {
		2515	[
		2516	map {
		2517	utf8::decode $_;
		2518	/\.map$/
		2519	? normalise $_
		2520	: ()
		2521	} @{ aio_readdir $TMPDIR or [] }
		2522	]
		2523	}
		2524
		2525	=item $maps = cf::map::random_maps
		2526
		2527	Returns an arrayref with all map paths of currently instantiated and saved
		2528	random maps. May block.
		2529
		2530	=cut
		2531
		2532	sub random_maps() {
		2533	[
		2534	map {
		2535	utf8::decode $_;
		2536	/\.map$/
		2537	? normalise "?random/$_"
		2538	: ()
		2539	} @{ aio_readdir $RANDOMDIR or [] }
		2540	]
1640	}	2541	}
1641		2542
1642	=item cf::map::unique_maps	2543	=item cf::map::unique_maps
1643		2544
1644	Returns an arrayref of paths of all shared maps that have	2545	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2546	instantiated unique items. May block.
1646		2547
1647	=cut	2548	=cut
1648		2549
1649	sub unique_maps() {	2550	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2551	[
1651	or return;	2552	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2553	utf8::decode $_;
1657	next if /\.pst$/;	2554	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2556	? ()
1660	push @paths, cf::map::normalise $_;	2557	: normalise $_
		2558	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2559	]
1662
1663	\@paths
1664	}	2560	}
1665		2561
1666	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
1667		2593
1668	=back	2594	=back
1669		2595
1670	=head3 cf::object	2596	=head3 cf::object
1671		2597
…		…
1675		2601
1676	=over 4	2602	=over 4
1677		2603
1678	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
1679		2605
1680	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
1681		2608
1682	=cut	2609	=cut
1683		2610
1684	sub inv_recursive_;	2611	sub inv_recursive_;
1685	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
1688		2615
1689	sub inv_recursive {	2616	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
1691	}	2618	}
1692		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
1693	package cf;	2648	package cf;
1694		2649
1695	=back	2650	=back
1696		2651
1697	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
1706		2661
1707	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
1708		2677
1709	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2679	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
1714		2683
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2685
1717	if ($self->{record_replies}) {	2686	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2688
1719	} else {	2689	} else {
		2690	my $pl = $self->contr;
		2691
		2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2693	my $dialog = $pl->{npc_dialog};
		2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2695
		2696	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2699	}
1722	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
1723	}	2711	}
1724		2712
1725	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
1726		2714
1727	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
1740		2728
1741	=item $player_object->enter_link	2729	=item $player_object->enter_link
1742		2730
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2732
1745	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
1747		2737
1748	Will never block.	2738	Will never block.
1749		2739
1750	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
1751		2741
…		…
1771	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2762	my ($self) = @_;
1773		2763
1774	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
1775		2765
		2766	++$self->{_link_recursion};
		2767
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2769
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2771	if $self->map && $self->map->{path} ne "{link}";
1780		2772
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2774	}
1783		2775
1784	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
		2778
		2779	return unless $self->contr->active;
1786		2780
1787	my $link_pos = delete $self->{_link_pos};	2781	my $link_pos = delete $self->{_link_pos};
1788		2782
1789	unless ($map) {	2783	unless ($map) {
1790	# restore original map position	2784	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
1803		2797
1804	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
1807		2801
1808	$map->load;	2802	$map->load;
1809	$map->load_diag;
1810		2803
1811	return unless $self->contr->active;	2804	return unless $self->contr->active;
		2805
		2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2807	if ($self->enter_map ($map, $x, $y)) {
		2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2811	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2812	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2813
1830	# try to abort aborted map switching on player login :)	2814	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2815
1848	=item $player_object->goto ($path, $x, $y)	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2817
		2818	Moves the player to the given map-path and coordinates by first freezing
		2819	her, loading and preparing them map, calling the provided $check callback
		2820	that has to return the map if sucecssful, and then unfreezes the player on
		2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
1850	=cut	2827	=cut
		2828
		2829	our $GOTOGEN;
1851		2830
1852	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
		2839
		2840	# do generation counting so two concurrent goto's will be executed in-order
		2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2842
1855	$self->enter_link;	2843	$self->enter_link;
1856		2844
1857	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
1858	my $map = eval {	2867	my $map = eval {
1859	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2869
		2870	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2871	$map = $map->customise_for ($self);
		2872	$map = $check->($map, $x, $y, $self) if $check && $map;
		2873	} else {
		2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2875	}
		2876
1861	$map	2877	$map
		2878	};
		2879
		2880	if ($@) {
		2881	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2882	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2883	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2884
		2885	if ($gen == $self->{_goto_generation}) {
		2886	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
		2888	}
		2889
		2890	$done->($self) if $done;
1866	})->prio (1);	2891	})->prio (1);
1867	}	2892	}
1868		2893
1869	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
1870		2895
…		…
1890	}	2915	}
1891		2916
1892	sub prepare_random_map {	2917	sub prepare_random_map {
1893	my ($exit) = @_;	2918	my ($exit) = @_;
1894		2919
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2922	# that depends on the exit object
1900		2923
1901	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2926	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
1908	}	2933	}
1909		2934
1910	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
1911		2936
1912	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
1915		2940
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2943	undef $fh;
1919	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
1920		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
1923	}	2952	}
1924	}	2953	}
1925		2954
1926	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
1928		2957
1929	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
1930		2959
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2960	$self->enter_link;
1941		2961
1942	(async {	2962	(async {
1943	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
1944	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
1945	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
1946		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
1947	1;	3001	1
1948	}) {	3002	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
1953		3007
1954	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	3009	$self->leave_link;
1956	}	3010	}
1957	})->prio (1);	3011	})->prio (1);
1958	}	3012	}
1959		3013
…		…
1970		3024
1971	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
1973		3027
1974	utf8::encode $text;	3028	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	3030	}
1977		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
		3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3058
		3059	Send a drawinfo or msg packet to the client, formatting the msg for the
		3060	client if neccessary. C<$type> should be a string identifying the type of
		3061	the message, with C<log> being the default. If C<$color> is negative, suppress
		3062	the message unless the client supports the msg packet.
		3063
		3064	=cut
		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
		3180	sub cf::client::send_msg {
		3181	my ($self, $channel, $msg, $color, @extra) = @_;
		3182
		3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
		3219	=item $client->ext_msg ($type, @msg)
		3220
		3221	Sends an ext event to the client.
		3222
		3223	=cut
		3224
		3225	sub cf::client::ext_msg($$@) {
		3226	my ($self, $type, @msg) = @_;
		3227
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3229	}
1978		3230
1979	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
1980		3232
1981	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3234	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3236
1985	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3238	become reliable at some point in the future.
1987		3239
1988	=cut	3240	=cut
1989		3241
1990	sub cf::client::query {	3242	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3251	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3253
2002	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2004	}	3258	}
2005		3259
2006	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2007	on_reply => sub {	3266	on_reply => sub {
2008	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2009		3268
2010	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2011	# get handled first	3270	# get handled first
…		…
2023	} else {	3282	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3284	}
2026	}	3285	}
2027	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2028	);	3310	);
2029		3311
2030	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2031		3313
2032	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3330
2049	$coro	3331	$coro
2050	}	3332	}
2051		3333
2052	cf::client->attach (	3334	cf::client->attach (
2053	on_destroy => sub {	3335	on_client_destroy => sub {
2054	my ($ns) = @_;	3336	my ($ns) = @_;
2055		3337
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3339	},
2058	);	3340	);
…		…
2073	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2075		3357
2076	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2077		3359
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2079		3365
2080	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2081		3367
2082	=pod	3368	=pod
2083		3369
2084	The following fucntions and emthods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2085		3371
2086	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2087	cf::object::player player	3377	cf::object::player
2088	cf::player peaceful	3378	player
2089	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2090		3385
2091	=cut	3386	=cut
2092		3387
2093	for (	3388	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2098	) {	3395	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3398	for @funs;
2103	}	3399	}
2104		3400
…		…
2119		3415
2120	my $qcode = $code;	3416	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2123		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2124	local $_;	3423	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3424
2127	my $eval =	3425	my $eval =
2128	"do {\n"	3426	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3429	. $code
2132	. "\n}"	3430	. "\n}"
2133	;	3431	;
2134		3432
		3433	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2138		3442
2139	if ($@) {	3443	if ($@) {
2140	warn "$@";	3444	warn "$@",
2141	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2143	}	3447	}
2144		3448
2145	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2146	}	3450	}
2147		3451
…		…
2161	=cut	3465	=cut
2162		3466
2163	sub register_script_function {	3467	sub register_script_function {
2164	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2165		3469
2166	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2168	}	3472	}
2169		3473
2170	=back	3474	=back
2171		3475
2172	=cut	3476	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3477
2282	#############################################################################	3478	#############################################################################
2283	# the server's init and main functions	3479	# the server's init and main functions
2284		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
		3505	sub load_facedata($) {
		3506	my ($path) = @_;
		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
		3514	trace "loading facedata from $path\n";
		3515
		3516	my $facedata = decode_storable load_file $path;
		3517
		3518	$facedata->{version} == 2
		3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3520
		3521	cf::cede_to_tick;
		3522
		3523	{
		3524	my $faces = $facedata->{faceinfo};
		3525
		3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
		3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
		3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
		3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539
		3540	while (my ($face, $info) = each %$faces) {
		3541	next unless $info->{smooth};
		3542
		3543	my $idx = cf::face::find $face
		3544	or next;
		3545
		3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
		3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3549	} else {
		3550	error "smooth face '$info->{smooth}' not found for face '$face'";
		3551	}
		3552
		3553	cf::cede_to_tick;
		3554	}
		3555	}
		3556
		3557	{
		3558	my $anims = $facedata->{animinfo};
		3559
		3560	while (my ($anim, $info) = each %$anims) {
		3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3562	cf::cede_to_tick;
		3563	}
		3564
		3565	cf::anim::invalidate_all; # d'oh
		3566	}
		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
		3590	1
		3591	}
		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
2285	sub load_resources {	3601	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
		3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
		3629	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3630	or die "unable to load regions file\n";
2288	}
2289		3631
2290	sub cfg_load {	3632	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3633	$_->{match} = qr/$_->{match}/
2292	or return;	3634	if exists $_->{match};
		3635	}
		3636	}
2293		3637
2294	local $/;	3638	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3639	load_facedata "$DATADIR/facedata"
		3640	or die "unable to load facedata\n";
		3641	}
2296		3642
		3643	sub reload_archetypes {
		3644	load_resource_file "$DATADIR/archetypes"
		3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
		3655	}
		3656
		3657	sub reload_treasures {
		3658	load_resource_file "$DATADIR/treasures"
		3659	or die "unable to load treasurelists\n";
		3660	}
		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
		3744	sub reload_resources {
		3745	trace "reloading resource files...\n";
		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
		3752	reload_regions;
		3753	reload_treasures;
		3754	reload_pod;
		3755
		3756	trace "finished reloading resource files\n";
		3757	}
		3758
		3759	sub reload_config {
		3760	trace "reloading config file...\n";
		3761
		3762	my $config = load_file "$CONFDIR/config";
		3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
		3765
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3767
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3770
2302	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2306	};	3775	};
2307	warn $@ if $@;	3776	warn $@ if $@;
2308	}	3777	}
2309	}	3778	}
2310		3779
2311	sub init {	3780	sub pidfile() {
2312	load_resources;	3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3806	}
2314		3807
2315	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2316	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3821	(async {
2320	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2322	};	3825	};
2323		3826
2324	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
		3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2326	load_extensions;	3851	load_extensions;
2327		3852
2328	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2330	}	3870	}
2331		3871
2332	#############################################################################	3872	#############################################################################
2333	# initialisation and cleanup	3873	# initialisation and cleanup
2334		3874
2335	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2336	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
2345	},
2346	);	3881	};
		3882	}
		3883	}
		3884
		3885	sub write_runtime_sync {
		3886	my $t0 = AE::time;
		3887
		3888	# first touch the runtime file to show we are still running:
		3889	# the fsync below can take a very very long time.
		3890
		3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3892
		3893	my $guard = cf::lock_acquire "write_runtime";
		3894
		3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3896	or return;
		3897
		3898	my $value = $cf::RUNTIME + 90 + 10;
		3899	# 10 is the runtime save interval, for a monotonic clock
		3900	# 60 allows for the watchdog to kill the server.
		3901
		3902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3903	and return;
		3904
		3905	# always fsync - this file is important
		3906	aio_fsync $fh
		3907	and return;
		3908
		3909	# touch it again to show we are up-to-date
		3910	aio_utime $fh, undef, undef;
		3911
		3912	close $fh
		3913	or return;
		3914
		3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3916	and return;
		3917
		3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3919
2347	}	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2348	}	3971	}
2349		3972
2350	sub emergency_save() {	3973	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2352		3975
2353	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2354		3982
2355	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2356	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3994	$pl->save;
2364	}	3995	}
2365	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2366		3997
2367	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	4003	$map->valid or next;
2371	$map->save;	4004	$map->save;
2372	}	4005	}
2373	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
		4011	BDB::db_env_txn_checkpoint $DB_ENV;
		4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2374	};	4036	};
2375		4037
2376	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2377	}	4039	}
2378		4040
		4041	sub post_cleanup {
		4042	my ($make_core) = @_;
		4043
		4044	IO::AIO::flush;
		4045
		4046	error Carp::longmess "post_cleanup backtrace"
		4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
		4076	}
		4077
2379	sub reload() {	4078	sub do_reload_perl() {
2380	# can/must only be called in main	4079	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2382	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2383	return;	4082	return;
2384	}	4083	}
2385		4084
2386	warn "reloading...";	4085	return if $RELOAD++;
2387		4086
2388	warn "cancelling server ticker";	4087	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
		4095	cf::sync_job {
2391	cf::emergency_save;	4096	#cf::emergency_save;
2392		4097
2393	eval {
2394	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";
2405	for (;;) {
2406	IO::AIO::flush;
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	4100	%EXT_CORO = ();
2415		4101
2416	warn "removing commands";	4102	trace "perl_reload: removing commands";
2417	%COMMAND = ();	4103	%COMMAND = ();
2418		4104
2419	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2421		4108
2422	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2425		4112
2426	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2427	eval {	4114	eval {
2428	$cb->($pkg);	4115	$cb->($pkg);
2429	1	4116	1
2430	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2431	}	4122	}
2432		4123
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		4127
2441	warn "... unloading $k";	4128	trace "... unloading $k";
2442	delete $INC{$k};	4129	delete $INC{$k};
2443		4130
2444	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2446		4133
2447	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2449	}	4139	}
2450		4140
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4144
2458	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
		4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4148
2461	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4150	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2464		4152
2465	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2466		4154
2467	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2468	require cf;	4156	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2470		4158
2471	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4160	cf::reload_config;
2473	cf::db_load;
2474		4161
2475	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4163	cf::load_extensions;
2477		4164
		4165	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4167	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
		4170	trace "perl_reload: reattaching attachments to players";
		4171	reattach $_ for values %PLAYER;
		4172	}
2482		4173
2483	warn "loading reloadable resources";	4174	cf::_post_init 1;
2484	load_resources;
2485		4175
2486	warn "restarting server ticker";	4176	trace "perl_reload: leaving sync_job";
2487		4177
2488	$TICK_WATCHER->start;	4178	1
		4179	} or do {
		4180	error $@;
		4181	cf::cleanup "perl_reload: error, exiting.";
		4182	};
		4183
		4184	--$RELOAD;
		4185	}
		4186
		4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
		4189	};
		4190
		4191	our $RELOAD_WATCHER; # used only during reload
		4192
		4193	sub reload_perl() {
		4194	# doing reload synchronously and two reloads happen back-to-back,
		4195	# coro crashes during coro_state_free->destroy here.
		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
		4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4201	do_reload_perl;
		4202	undef $RELOAD_WATCHER;
		4203	};
2489	};	4204	};
2490		4205	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		4206
2502	register_command "reload" => sub {	4207	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2504		4209
2505	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
2507		4212	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4213	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	4214	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4215	};
2520	}	4216	}
2521	};	4217	};
2522		4218
2523	unshift @INC, $LIBDIR;	4219	#############################################################################
2524		4220
2525	my $bug_warning = 0;	4221	my $bug_warning = 0;
2526		4222
2527	$TICK_WATCHER = Event->timer (	4223	sub wait_for_tick() {
2528	reentrant => 0,	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2529	parked => 1,	4225
2530	prio => 0,	4226	$WAIT_FOR_TICK->wait;
2531	at => $NEXT_TICK || $TICK,	4227	}
2532	data => WF_AUTOCANCEL,	4228
2533	cb => sub {	4229	sub wait_for_tick_begin() {
		4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4231
		4232	my $signal = new Coro::Signal;
		4233	push @WAIT_FOR_TICK_BEGIN, $signal;
		4234	$signal->wait;
		4235	}
		4236
		4237	sub tick {
2534	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
2537	return;	4241	return;
		4242	}
		4243
		4244	cf::one_tick; # one server iteration
		4245
		4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4247
		4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4250	Coro::async_pool {
		4251	$Coro::current->{desc} = "runtime saver";
		4252	write_runtime_sync
		4253	or error "ERROR: unable to write runtime file: $!";
2538	}	4254	};
		4255	}
2539		4256
2540	$NOW = Event::time;	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2541		4258	$sig->send;
2542	cf::server_tick; # one server iteration	4259	}
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545
2546	$WAIT_FOR_TICK->broadcast;	4260	$WAIT_FOR_TICK->broadcast;
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4261
2549	Event::sweep;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
2550	Coro::cede_notself;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4264
		4265	if (0) {
		4266	if ($NEXT_TICK) {
		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
2551		4270	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4271	}
2561	);	4272	}
2562		4273
2563	{	4274	{
2564	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
2566	reentrant => 0,	4277
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
2574		4279	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4280	#$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4281
2590	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4289
2593	cf::sync_job {	4290	cf::sync_job {
		4291	eval {
2594	BDB::db_env_open	4292	BDB::db_env_open
2595	$DB_ENV,	4293	$DB_ENV,
2596	$BDB_ENV_DIR,	4294	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4297	0666;
2600		4298
2601	cf::cleanup "$!" if $!;	4299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4300	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4301
2604	$DB_ENV->set_lk_detect;	4302	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4303	};
2606	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
2607	}	4317	}
2608		4318
2609	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
2610	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,	4326	info "aio initialised";
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4327	}
2623		4328
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4329	our $_log_backtrace;
2625	reentrant => 0,	4330	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4331
2627	after => 1,	4332	sub _log_backtrace {
2628	interval => 10,	4333	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4334
2630	cb => Coro::unblock_sub {	4335	$msg =~ s/\n$//;
2631	write_runtime	4336
2632	or warn "ERROR: unable to write runtime file: $!";	4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4340	# limit the # of concurrent backtraces
		4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
		4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
		4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
		4348	my @bt = fork_call {
		4349	@addr = map { sprintf "%x", $_ } @addr;
		4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4352	or die "addr2line: $!";
		4353
		4354	my @funcs;
		4355	my @res = <$fh>;
		4356	chomp for @res;
		4357	while (@res) {
		4358	my ($func, $line) = splice @res, 0, 2, ();
		4359	push @funcs, "[$func] $line";
		4360	}
		4361
		4362	@funcs
		4363	};
		4364
		4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4367	LOG llevInfo, "[ABT] $_\n" for @bt;
		4368	--$_log_backtrace;
		4369	};
		4370	} else {
		4371	LOG llevInfo, "[ABT] $msg\n";
		4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4373	}
2634	);	4374	}
		4375
		4376	# load additional modules
		4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
2635		4379
2636	END { cf::emergency_save }	4380	END { cf::emergency_save }
2637		4381
2638	1	4382	1
2639		4383

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