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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 1.589 by root, Sun Nov 4 01:01:13 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);
…		…
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	$pl->ext_reply ($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 $player->ext_reply ($msgid, @msg)
1111		1916
1112	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1113		1918
1114	=cut	1919	=cut
1115		1920
1116	sub ext_reply($$$%) {	1921	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1118		1923
1119	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1925	}
1123		1926
1124	package cf;	1927	=item $player->ext_msg ($type, @msg)
		1928
		1929	Sends an ext event to the client.
		1930
		1931	=cut
		1932
		1933	sub ext_msg($$@) {
		1934	my ($self, $type, @msg) = @_;
		1935
		1936	$self->ns->ext_msg ($type, @msg);
		1937	}
		1938
		1939	=head3 cf::region
		1940
		1941	=over 4
		1942
		1943	=cut
		1944
		1945	package cf::region;
		1946
		1947	=item cf::region::find_by_path $path
		1948
		1949	Tries to decuce the likely region for a map knowing only its path.
		1950
		1951	=cut
		1952
		1953	sub find_by_path($) {
		1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
		1958	my ($match, $specificity);
		1959
		1960	for my $region (list) {
		1961	if ($region->{match} && $path =~ $region->{match}) {
		1962	($match, $specificity) = ($region, $region->specificity)
		1963	if $region->specificity > $specificity;
		1964	}
		1965	}
		1966
		1967	$match
		1968	}
1125		1969
1126	=back	1970	=back
1127
1128		1971
1129	=head3 cf::map	1972	=head3 cf::map
1130		1973
1131	=over 4	1974	=over 4
1132		1975
…		…
1144	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1146		1989
1147	sub generate_random_map {	1990	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1149	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1150	$self->_create_random_map (	1995	$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	}	1996	}
1164		1997
1165	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1166		1999
1167	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1172		2005
1173	sub register {	2006	sub register {
1174	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1175	my $pkg = caller;	2008	my $pkg = caller;
1176		2009
1177	no strict;
1178	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1179		2011
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	2013	}
1182		2014
1183	# also paths starting with '/'	2015	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		2017
1186	sub thawer_merge {	2018	sub thawer_merge {
1187	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1188		2020
1189	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
1190	local $self->{path};	2022	local $self->{path};
1191	local $self->{load_path};	2023	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		2024
1195	$self->SUPER::thawer_merge ($merge);	2025	$self->SUPER::thawer_merge ($merge);
1196	}	2026	}
1197		2027
1198	sub normalise {	2028	sub normalise {
1199	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1200		2030
1201	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1202		2032
1203	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1204		2034
1205	# map plan:	2035	# map plan:
1206	#	2036	#
…		…
1221	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1222	$path = "$base/$path";	2052	$path = "$base/$path";
1223	}	2053	}
1224		2054
1225	for ($path) {	2055	for ($path) {
1226	redo if s{//}{/};
1227	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1228	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1229	}	2058	}
1230		2059
1231	$path	2060	$path
…		…
1245	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1246	return $self;	2075	return $self;
1247	}	2076	}
1248	}	2077	}
1249		2078
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1251	()	2080	()
1252	}	2081	}
1253		2082
		2083	# may re-bless or do other evil things
1254	sub init {	2084	sub init {
1255	my ($self) = @_;	2085	my ($self) = @_;
1256		2086
1257	$self	2087	$self
1258	}	2088	}
…		…
1270		2100
1271	# the original (read-only) location	2101	# the original (read-only) location
1272	sub load_path {	2102	sub load_path {
1273	my ($self) = @_;	2103	my ($self) = @_;
1274		2104
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2105	"$MAPDIR/$self->{path}.map"
1276	}	2106	}
1277		2107
1278	# the temporary/swap location	2108	# the temporary/swap location
1279	sub save_path {	2109	sub save_path {
1280	my ($self) = @_;	2110	my ($self) = @_;
1281		2111
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2113	"$TMPDIR/$path.map"
1284	}	2114	}
1285		2115
1286	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1287	sub uniq_path {	2117	sub uniq_path {
1288	my ($self) = @_;	2118	my ($self) = @_;
1289		2119
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2121	"$UNIQUEDIR/$path"
1292	}	2122	}
1293		2123
1294	# and all this just because we cannot iterate over	2124	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	2125	my ($self) = @_;
1298		2126
1299	$_->change_map_light ($change)	2127	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	2128
		2129	$self->do_decay_objects;
1301	}	2130	}
1302		2131
1303	sub unlink_save {	2132	sub unlink_save {
1304	my ($self) = @_;	2133	my ($self) = @_;
1305		2134
1306	utf8::encode (my $save = $self->save_path);	2135	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2136	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2137	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	}	2138	}
1315		2139
1316	sub load_header_from($) {	2140	sub load_header_from($) {
1317	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1318		2142
1319	utf8::encode $path;	2143	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	2145	or return;
1325		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1326	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1327		2154
1328	1	2155	1
1329	}	2156	}
1330		2157
		2158	# used to laod the header of an original map
1331	sub load_header_orig {	2159	sub load_header_orig {
1332	my ($self) = @_;	2160	my ($self) = @_;
1333		2161
1334	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1335	}	2163	}
1336		2164
		2165	# used to laod the header of an instantiated map
1337	sub load_header_temp {	2166	sub load_header_temp {
1338	my ($self) = @_;	2167	my ($self) = @_;
1339		2168
1340	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1341	}	2170	}
1342		2171
		2172	# called after loading the header from an instantiated map
1343	sub prepare_temp {	2173	sub prepare_temp {
1344	my ($self) = @_;	2174	my ($self) = @_;
1345		2175
1346	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1347	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1348	# safety	2178	# safety
1349	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1350	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1351	}	2181	}
1352		2182
		2183	# called after loading the header from an original map
1353	sub prepare_orig {	2184	sub prepare_orig {
1354	my ($self) = @_;	2185	my ($self) = @_;
1355		2186
1356	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1357	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1368	$self->load_header_orig	2199	$self->load_header_orig
1369	or return;	2200	or return;
1370	$self->prepare_orig;	2201	$self->prepare_orig;
1371	}	2202	}
1372		2203
		2204	$self->{deny_reset} = 1
		2205	if $self->no_reset;
		2206
		2207	$self->default_region (cf::region::find_by_path $self->{path})
		2208	unless $self->default_region;
		2209
1373	1	2210	1
1374	}	2211	}
1375		2212
1376	sub find;	2213	sub find;
1377	sub find {	2214	sub find {
1378	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1379		2216
		2217	cf::cede_to_tick;
		2218
1380	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1381		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2223
1384	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1387	or return;	2226	or return;
1388		2227
1389	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1390		2229
1391	$map->load_header	2230	$map->load_header
1392	or return;	2231	or return;
1393		2232
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1397	$map->reset;	2238	$map->reset;
1398	undef $guard;
1399	return find $path;	2239	return find $path;
1400	}	2240	}
1401		2241
1402	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1403	}	2243	}
1404	}	2244	}
1405		2245
1406	sub pre_load { }	2246	sub pre_load { }
1407	sub post_load { }	2247	#sub post_load { } # XS
1408		2248
1409	sub load {	2249	sub load {
1410	my ($self) = @_;	2250	my ($self) = @_;
1411		2251
1412	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1413		2253
1414	my $path = $self->{path};	2254	my $path = $self->{path};
		2255
		2256	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1416		2258
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2259	return unless $self->valid;
		2260	return unless $self->state == cf::MAP_SWAPPED;
1418		2261
1419	$self->in_memory (cf::MAP_LOADING);
1420
1421	$self->alloc;	2262	$self->alloc;
1422		2263
1423	$self->pre_load;	2264	$self->pre_load;
		2265	cf::cede_to_tick;
1424		2266
1425	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1426	or return;	2271	or return;
1427		2272
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1429	if delete $self->{load_original};	2274	if delete $self->{load_original};
1430		2275
1431	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2277	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2280	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1436	}	2285	}
1437	}
1438		2286
1439	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
1440		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1441	# now do the right thing for maps	2296	# now do the right thing for maps
1442	$self->link_multipart_objects;	2297	$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)	2298	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2299	unless $self->difficulty;
1452	Coro::cede;	2300	cf::cede_to_tick;
1453	$self->activate;	2301
		2302	unless ($self->{deny_activate}) {
		2303	$self->decay_objects;
		2304	$self->fix_auto_apply;
		2305	$self->update_buttons;
		2306	cf::cede_to_tick;
		2307	#$self->activate; # no longer activate maps automatically
		2308	}
		2309
		2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1454	}	2312	}
1455		2313
1456	$self->post_load;	2314	$self->post_load;
1457		2315
1458	$self->in_memory (cf::MAP_IN_MEMORY);	2316	1
1459	}	2317	}
1460		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2322	sub customise_for {
1462	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1463		2324
1464	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2326	if $self->per_player;
1466		2327
		2328	# return find "?party/" . $ob->name . "/" . $self->{path}
		2329	# if $self->per_party;
		2330
1467	$self	2331	$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	}	2332	}
1493		2333
1494	sub find_sync {	2334	sub find_sync {
1495	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1496		2336
1497	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1498	}	2342	}
1499		2343
1500	sub do_load_sync {	2344	sub do_load_sync {
1501	my ($map) = @_;	2345	my ($map) = @_;
1502		2346
1503	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1504	}	2352	}
1505		2353
1506	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1508		2356
1509	sub find_async {	2357	sub find_async {
1510	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1511		2359
1512	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1513		2361
1514	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1516	}	2364	}
1517		2365
1518	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1519	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1520	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2373	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2374	$map->load if $v;
		2375	}
1525		2376
1526	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1527	}	2378	}
1528	}	2379	}
1529	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1530	};	2381	};
1531	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1532		2383
1533	()	2384	()
1534	}	2385	}
1535		2386
		2387	# common code, used by both ->save and ->swapout
1536	sub save {	2388	sub _save {
1537	my ($self) = @_;	2389	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2390
1541	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1542		2392
1543	return unless $self->dirty;	2393	return unless $self->dirty;
1544		2394
…		…
1550	return if $self->{deny_save};	2400	return if $self->{deny_save};
1551		2401
1552	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1553		2403
1554	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1556	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1557		2410
1558	if ($uniq) {	2411	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2414	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2416	}
1564	}	2417	}
1565		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1566	sub swap_out {	2427	sub swap_out {
1567	my ($self) = @_;	2428	my ($self) = @_;
1568		2429
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1574	return if $self->players;	2434	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1578	$self->clear;	2445	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2446	}
1581		2447
1582	sub reset_at {	2448	sub reset_at {
1583	my ($self) = @_;	2449	my ($self) = @_;
1584		2450
1585	# TODO: safety, remove and allow resettable per-player maps	2451	# 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};	2452	return 1e99 if $self->{deny_reset};
1588		2453
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2456
…		…
1602	my ($self) = @_;	2467	my ($self) = @_;
1603		2468
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2470
1606	return if $self->players;	2471	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2472
1609	warn "resetting map ", $self->path;#d#	2473	cf::trace "resetting map ", $self->path, "\n";
		2474
		2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
1610		2484
1611	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1612		2486
1613	$self->in_memory (cf::MAP_SWAPPED);	2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2489	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2490
1618	$self->unlink_save;	2491	$self->unlink_save;
1619	$self->destroy;	2492	$self->destroy;
1620	}	2493	}
1621		2494
1622	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1623		2496
1624	sub nuke {	2497	sub nuke {
1625	my ($self) = @_;	2498	my ($self) = @_;
1626		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
1627	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
1628		2504
1629	$self->unlink_save;	2505	$self->unlink_save;
1630		2506
1631	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2512
1637	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
1638		2515
1639	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
		2517	}
		2518
		2519	=item $maps = cf::map::tmp_maps
		2520
		2521	Returns an arrayref with all map paths of currently instantiated and saved
		2522	maps. May block.
		2523
		2524	=cut
		2525
		2526	sub tmp_maps() {
		2527	[
		2528	map {
		2529	utf8::decode $_;
		2530	/\.map$/
		2531	? normalise $_
		2532	: ()
		2533	} @{ aio_readdir $TMPDIR or [] }
		2534	]
		2535	}
		2536
		2537	=item $maps = cf::map::random_maps
		2538
		2539	Returns an arrayref with all map paths of currently instantiated and saved
		2540	random maps. May block.
		2541
		2542	=cut
		2543
		2544	sub random_maps() {
		2545	[
		2546	map {
		2547	utf8::decode $_;
		2548	/\.map$/
		2549	? normalise "?random/$_"
		2550	: ()
		2551	} @{ aio_readdir $RANDOMDIR or [] }
		2552	]
1640	}	2553	}
1641		2554
1642	=item cf::map::unique_maps	2555	=item cf::map::unique_maps
1643		2556
1644	Returns an arrayref of paths of all shared maps that have	2557	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2558	instantiated unique items. May block.
1646		2559
1647	=cut	2560	=cut
1648		2561
1649	sub unique_maps() {	2562	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2563	[
1651	or return;	2564	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2565	utf8::decode $_;
1657	next if /\.pst$/;	2566	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2568	? ()
1660	push @paths, cf::map::normalise $_;	2569	: normalise $_
		2570	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2571	]
1662
1663	\@paths
1664	}	2572	}
1665		2573
1666	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
1667		2605
1668	=back	2606	=back
1669		2607
1670	=head3 cf::object	2608	=head3 cf::object
1671		2609
…		…
1675		2613
1676	=over 4	2614	=over 4
1677		2615
1678	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
1679		2617
1680	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
1681		2620
1682	=cut	2621	=cut
1683		2622
1684	sub inv_recursive_;	2623	sub inv_recursive_;
1685	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
1688		2627
1689	sub inv_recursive {	2628	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
1691	}	2630	}
1692		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
1693	package cf;	2660	package cf;
1694		2661
1695	=back	2662	=back
1696		2663
1697	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
1706		2673
1707	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
1708		2689
1709	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2691	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
1714		2695
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2696	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2697
1717	if ($self->{record_replies}) {	2698	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2699	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2700
1719	} else {	2701	} else {
		2702	my $pl = $self->contr;
		2703
		2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2705	my $dialog = $pl->{npc_dialog};
		2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2707
		2708	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2711	}
1722	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
1723	}	2723	}
1724		2724
1725	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
1726		2726
1727	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
1740		2740
1741	=item $player_object->enter_link	2741	=item $player_object->enter_link
1742		2742
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2744
1745	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
1747		2749
1748	Will never block.	2750	Will never block.
1749		2751
1750	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
1751		2753
…		…
1771	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2774	my ($self) = @_;
1773		2775
1774	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
1775		2777
		2778	++$self->{_link_recursion};
		2779
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2781
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2783	if $self->map && $self->map->{path} ne "{link}";
1780		2784
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2786	}
1783		2787
1784	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
		2790
		2791	return unless $self->contr->active;
1786		2792
1787	my $link_pos = delete $self->{_link_pos};	2793	my $link_pos = delete $self->{_link_pos};
1788		2794
1789	unless ($map) {	2795	unless ($map) {
1790	# restore original map position	2796	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
1803		2809
1804	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
1807		2813
1808	$map->load;	2814	$map->load;
1809	$map->load_diag;
1810		2815
1811	return unless $self->contr->active;	2816	return unless $self->contr->active;
		2817
		2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2819	if ($self->enter_map ($map, $x, $y)) {
		2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2823	$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	},	2824	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2825
1830	# try to abort aborted map switching on player login :)	2826	}
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		2827
1848	=item $player_object->goto ($path, $x, $y)	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2829
		2830	Moves the player to the given map-path and coordinates by first freezing
		2831	her, loading and preparing them map, calling the provided $check callback
		2832	that has to return the map if sucecssful, and then unfreezes the player on
		2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
1850	=cut	2839	=cut
		2840
		2841	our $GOTOGEN;
1851		2842
1852	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
		2852	# do generation counting so two concurrent goto's will be executed in-order
		2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2854
1855	$self->enter_link;	2855	$self->enter_link;
1856		2856
1857	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
1858	my $map = eval {	2879	my $map = eval {
1859	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2881
		2882	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2883	$map = $map->customise_for ($self);
		2884	$map = $check->($map, $x, $y, $self) if $check && $map;
		2885	} else {
		2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888
1861	$map	2889	$map
		2890	};
		2891
		2892	if ($@) {
		2893	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2894	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2895	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2896
		2897	if ($gen == $self->{_goto_generation}) {
		2898	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
		2900	}
		2901
		2902	$done->($self) if $done;
1866	})->prio (1);	2903	})->prio (1);
1867	}	2904	}
1868		2905
1869	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
1870		2907
…		…
1890	}	2927	}
1891		2928
1892	sub prepare_random_map {	2929	sub prepare_random_map {
1893	my ($exit) = @_;	2930	my ($exit) = @_;
1894		2931
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2934	# that depends on the exit object
1900		2935
1901	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2938	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
1908	}	2945	}
1909		2946
1910	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
1911		2948
1912	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
1915		2952
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2955	undef $fh;
1919	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
1920		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
1923	}	2964	}
1924	}	2965	}
1925		2966
1926	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
1928		2969
1929	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
1930		2971
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;	2972	$self->enter_link;
1941		2973
1942	(async {	2974	(async {
1943	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
1944	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
1945	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
1946		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
1947	1;	3013	1
1948	}) {	3014	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
1953		3019
1954	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	3021	$self->leave_link;
1956	}	3022	}
1957	})->prio (1);	3023	})->prio (1);
1958	}	3024	}
1959		3025
…		…
1970		3036
1971	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
1973		3039
1974	utf8::encode $text;	3040	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	3042	}
1977		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
		3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3070
		3071	Send a drawinfo or msg packet to the client, formatting the msg for the
		3072	client if neccessary. C<$type> should be a string identifying the type of
		3073	the message, with C<log> being the default. If C<$color> is negative, suppress
		3074	the message unless the client supports the msg packet.
		3075
		3076	=cut
		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
		3192	sub cf::client::send_msg {
		3193	my ($self, $channel, $msg, $color, @extra) = @_;
		3194
		3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
		3231	=item $client->ext_msg ($type, @msg)
		3232
		3233	Sends an ext event to the client.
		3234
		3235	=cut
		3236
		3237	sub cf::client::ext_msg($$@) {
		3238	my ($self, $type, @msg) = @_;
		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
		3243	push @msg, msgtype => "event_$type";
		3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3260	}
1978		3261
1979	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
1980		3263
1981	Queues a query to the client, calling the given callback with	3264	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>,	3265	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>.	3266	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3267
1985	Queries can fail, so check the return code. Or don't, as queries will become	3268	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3269	become reliable at some point in the future.
1987		3270
1988	=cut	3271	=cut
1989		3272
1990	sub cf::client::query {	3273	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3274	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3282	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3283	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3284
2002	$self->send_packet ($self->{query_queue}[0][0])	3285	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3286	if @{ $self->{query_queue} } == 1;
		3287
		3288	1
2004	}	3289	}
2005		3290
2006	cf::client->attach (	3291	cf::client->attach (
		3292	on_connect => sub {
		3293	my ($ns) = @_;
		3294
		3295	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3296	},
2007	on_reply => sub {	3297	on_reply => sub {
2008	my ($ns, $msg) = @_;	3298	my ($ns, $msg) = @_;
2009		3299
2010	# this weird shuffling is so that direct followup queries	3300	# this weird shuffling is so that direct followup queries
2011	# get handled first	3301	# get handled first
…		…
2023	} else {	3313	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3314	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3315	}
2026	}	3316	}
2027	},	3317	},
		3318	on_exticmd => sub {
		3319	my ($ns, $buf) = @_;
		3320
		3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3322
		3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
		3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
		3335	} else {
		3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3337	}
		3338
		3339	cf::override;
		3340	},
2028	);	3341	);
2029		3342
2030	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2031		3344
2032	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3361
2049	$coro	3362	$coro
2050	}	3363	}
2051		3364
2052	cf::client->attach (	3365	cf::client->attach (
2053	on_destroy => sub {	3366	on_client_destroy => sub {
2054	my ($ns) = @_;	3367	my ($ns) = @_;
2055		3368
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3370	},
2058	);	3371	);
…		…
2073	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2075		3388
2076	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2077		3390
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2079		3396
2080	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2081		3398
2082	=pod	3399	=pod
2083		3400
2084	The following fucntions and emthods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2085		3402
2086	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2087	cf::object::player player	3408	cf::object::player
2088	cf::player peaceful	3409	player
2089	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2090		3416
2091	=cut	3417	=cut
2092		3418
2093	for (	3419	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2098	) {	3426	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3429	for @funs;
2103	}	3430	}
2104		3431
…		…
2119		3446
2120	my $qcode = $code;	3447	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2123		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2124	local $_;	3454	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3455
2127	my $eval =	3456	my $eval =
2128	"do {\n"	3457	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3460	. $code
2132	. "\n}"	3461	. "\n}"
2133	;	3462	;
2134		3463
		3464	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2138		3473
2139	if ($@) {	3474	if ($@) {
2140	warn "$@";	3475	warn "$@",
2141	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2143	}	3478	}
2144		3479
2145	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2146	}	3481	}
2147		3482
…		…
2161	=cut	3496	=cut
2162		3497
2163	sub register_script_function {	3498	sub register_script_function {
2164	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2165		3500
2166	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2168	}	3503	}
2169		3504
2170	=back	3505	=back
2171		3506
2172	=cut	3507	=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]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3508
2282	#############################################################################	3509	#############################################################################
2283	# the server's init and main functions	3510	# the server's init and main functions
2284		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
		3514	# internal api, not fianlised
		3515	sub add_face {
		3516	my ($name, $type, $data) = @_;
		3517
		3518	my $idx = cf::face::find $name;
		3519
		3520	if ($idx) {
		3521	delete $FACEHASH{cf::face::get_chksum $idx};
		3522	} else {
		3523	$idx = cf::face::alloc $name;
		3524	}
		3525
		3526	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3527
		3528	cf::face::set_type $idx, $type;
		3529	cf::face::set_data $idx, 0, $data, $hash;
		3530	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3531	$FACEHASH{$hash} = $idx;#d#
		3532
		3533	$idx
		3534	}
		3535
		3536	sub load_facedata($) {
		3537	my ($path) = @_;
		3538
		3539	# HACK to clear player env face cache, we need some signal framework
		3540	# for this (global event?)
		3541	%ext::player_env::MUSIC_FACE_CACHE = ();
		3542
		3543	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3544
		3545	trace "loading facedata from $path\n";
		3546
		3547	my $facedata = decode_storable load_file $path;
		3548
		3549	$facedata->{version} == 2
		3550	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3551
		3552	cf::cede_to_tick;
		3553
		3554	{
		3555	my $faces = $facedata->{faceinfo};
		3556
		3557	for my $face (sort keys %$faces) {
		3558	my $info = $faces->{$face};
		3559	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3560
		3561	cf::face::set_visibility $idx, $info->{visibility};
		3562	cf::face::set_magicmap $idx, $info->{magicmap};
		3563	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3564	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3565	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3566	$FACEHASH{$info->{hash64}} = $idx;#d#
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570
		3571	while (my ($face, $info) = each %$faces) {
		3572	next unless $info->{smooth};
		3573
		3574	my $idx = cf::face::find $face
		3575	or next;
		3576
		3577	if (my $smooth = cf::face::find $info->{smooth}) {
		3578	cf::face::set_smooth $idx, $smooth;
		3579	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3580	} else {
		3581	error "smooth face '$info->{smooth}' not found for face '$face'";
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	{
		3589	my $anims = $facedata->{animinfo};
		3590
		3591	while (my ($anim, $info) = each %$anims) {
		3592	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3593	cf::cede_to_tick;
		3594	}
		3595
		3596	cf::anim::invalidate_all; # d'oh
		3597	}
		3598
		3599	{
		3600	my $res = $facedata->{resource};
		3601
		3602	while (my ($name, $info) = each %$res) {
		3603	if (defined (my $type = $info->{type})) {
		3604	# TODO: different hash - must free and use new index, or cache ixface data queue
		3605	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3606
		3607	cf::face::set_type $idx, $type;
		3608	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3609	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3610	$FACEHASH{$info->{hash}} = $idx;#d#
		3611	} else {
		3612	# $RESOURCE{$name} = $info; # unused
		3613	}
		3614
		3615	cf::cede_to_tick;
		3616	}
		3617	}
		3618
		3619	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3620
		3621	1
		3622	}
		3623
		3624	register_exticmd fx_want => sub {
		3625	my ($ns, $want) = @_;
		3626
		3627	while (my ($k, $v) = each %$want) {
		3628	$ns->fx_want ($k, $v);
		3629	}
		3630	};
		3631
2285	sub load_resources {	3632	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3633	my $guard = lock_acquire "load_resource_file";
		3634
		3635	my $status = load_resource_file_ $_[0];
		3636	get_slot 0.1, 100;
		3637	cf::arch::commit_load;
		3638
		3639	$status
		3640	}
		3641
		3642	sub reload_exp_table {
		3643	_reload_exp_table;
		3644
		3645	add_face "res/exp_table" => FT_RSRC,
		3646	JSON::XS->new->utf8->canonical->encode (
		3647	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3648	);
		3649	}
		3650
		3651	sub reload_materials {
		3652	_reload_materials;
		3653	}
		3654
		3655	sub reload_regions {
		3656	# HACK to clear player env face cache, we need some signal framework
		3657	# for this (global event?)
		3658	%ext::player_env::MUSIC_FACE_CACHE = ();
		3659
		3660	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3661	or die "unable to load regions file\n";
2288	}
2289		3662
2290	sub cfg_load {	3663	for (cf::region::list) {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3664	$_->{match} = qr/$_->{match}/
2292	or return;	3665	if exists $_->{match};
		3666	}
		3667	}
2293		3668
2294	local $/;	3669	sub reload_facedata {
2295	*CFG = YAML::Syck::Load <$fh>;	3670	load_facedata "$DATADIR/facedata"
		3671	or die "unable to load facedata\n";
		3672	}
2296		3673
		3674	sub reload_archetypes {
		3675	load_resource_file "$DATADIR/archetypes"
		3676	or die "unable to load archetypes\n";
		3677
		3678	add_face "res/skill_info" => FT_RSRC,
		3679	JSON::XS->new->utf8->canonical->encode (
		3680	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3681	);
		3682	add_face "res/spell_paths" => FT_RSRC,
		3683	JSON::XS->new->utf8->canonical->encode (
		3684	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3685	);
		3686	}
		3687
		3688	sub reload_treasures {
		3689	load_resource_file "$DATADIR/treasures"
		3690	or die "unable to load treasurelists\n";
		3691	}
		3692
		3693	sub reload_sound {
		3694	trace "loading sound config from $DATADIR/sound\n";
		3695
		3696	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3697
		3698	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3699	my $sound = $soundconf->{compat}[$_]
		3700	or next;
		3701
		3702	my $face = cf::face::find "sound/$sound->[1]";
		3703	cf::sound::set $sound->[0] => $face;
		3704	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3705	}
		3706
		3707	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3708	my $face = cf::face::find "sound/$v";
		3709	cf::sound::set $k => $face;
		3710	}
		3711	}
		3712
		3713	sub reload_resources {
		3714	trace "reloading resource files...\n";
		3715
		3716	reload_materials;
		3717	reload_facedata;
		3718	reload_exp_table;
		3719	reload_sound;
		3720	reload_archetypes;
		3721	reload_regions;
		3722	reload_treasures;
		3723
		3724	trace "finished reloading resource files\n";
		3725	}
		3726
		3727	sub reload_config {
		3728	trace "reloading config file...\n";
		3729
		3730	my $config = load_file "$CONFDIR/config";
		3731	utf8::decode $config;
		3732	*CFG = decode_yaml $config;
		3733
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3734	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3735
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3736	$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};	3737	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3738
2302	if (exists $CFG{mlockall}) {	3739	if (exists $CFG{mlockall}) {
…		…
2306	};	3743	};
2307	warn $@ if $@;	3744	warn $@ if $@;
2308	}	3745	}
2309	}	3746	}
2310		3747
2311	sub init {	3748	sub pidfile() {
2312	load_resources;	3749	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3750	or die "$PIDFILE: $!";
		3751	flock $fh, &Fcntl::LOCK_EX
		3752	or die "$PIDFILE: flock: $!";
		3753	$fh
		3754	}
		3755
		3756	# make sure only one server instance is running at any one time
		3757	sub atomic {
		3758	my $fh = pidfile;
		3759
		3760	my $pid = <$fh>;
		3761	kill 9, $pid if $pid > 0;
		3762
		3763	seek $fh, 0, 0;
		3764	print $fh $$;
		3765	}
		3766
		3767	sub main_loop {
		3768	trace "EV::loop starting\n";
		3769	if (1) {
		3770	EV::loop;
		3771	}
		3772	trace "EV::loop returned\n";
		3773	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3774	}
2314		3775
2315	sub main {	3776	sub main {
		3777	cf::init_globals; # initialise logging
		3778
		3779	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3780	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3781	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3782	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3783
		3784	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3785
2316	# we must not ever block the main coroutine	3786	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3787	$Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3788	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3789	(async {
2320	Event::one_event;	3790	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3791	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3792	})->prio (Coro::PRIO_MAX);
2322	};	3793	};
2323		3794
2324	cfg_load;	3795	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3796
		3797	cf::sync_job {
		3798	cf::incloader::init ();
		3799
		3800	cf::init_anim;
		3801	cf::init_attackmess;
		3802	cf::init_dynamic;
		3803
		3804	cf::load_settings;
		3805
		3806	reload_resources;
		3807	reload_config;
		3808	db_init;
		3809
		3810	cf::init_uuid;
		3811	cf::init_signals;
		3812	cf::init_skills;
		3813
		3814	cf::init_beforeplay;
		3815
		3816	atomic;
		3817
2326	load_extensions;	3818	load_extensions;
2327		3819
2328	$TICK_WATCHER->start;	3820	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3821
		3822	# no (long-running) fork's whatsoever before this point(!)
		3823	use POSIX ();
		3824	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3825
		3826	cf::_post_init 0;
		3827	};
		3828
		3829	cf::object::thawer::errors_are_fatal 0;
		3830	info "parse errors in files are no longer fatal from this point on.\n";
		3831
		3832	AE::postpone {
		3833	undef &main; # free gobs of memory :)
		3834	};
		3835
		3836	goto &main_loop;
2330	}	3837	}
2331		3838
2332	#############################################################################	3839	#############################################################################
2333	# initialisation and cleanup	3840	# initialisation and cleanup
2334		3841
2335	# install some emergency cleanup handlers	3842	# install some emergency cleanup handlers
2336	BEGIN {	3843	BEGIN {
		3844	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3845	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3846	$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";	3847	cf::cleanup "SIG$signal";
2345	},
2346	);	3848	};
		3849	}
		3850	}
		3851
		3852	sub write_runtime_sync {
		3853	my $t0 = AE::time;
		3854
		3855	# first touch the runtime file to show we are still running:
		3856	# the fsync below can take a very very long time.
		3857
		3858	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3859
		3860	my $guard = cf::lock_acquire "write_runtime";
		3861
		3862	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3863	or return;
		3864
		3865	my $value = $cf::RUNTIME + 90 + 10;
		3866	# 10 is the runtime save interval, for a monotonic clock
		3867	# 60 allows for the watchdog to kill the server.
		3868
		3869	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3870	and return;
		3871
		3872	# always fsync - this file is important
		3873	aio_fsync $fh
		3874	and return;
		3875
		3876	# touch it again to show we are up-to-date
		3877	aio_utime $fh, undef, undef;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3883	and return;
		3884
		3885	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3886
2347	}	3887	1
		3888	}
		3889
		3890	our $uuid_lock;
		3891	our $uuid_skip;
		3892
		3893	sub write_uuid_sync($) {
		3894	$uuid_skip ||= $_[0];
		3895
		3896	return if $uuid_lock;
		3897	local $uuid_lock = 1;
		3898
		3899	my $uuid = "$LOCALDIR/uuid";
		3900
		3901	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3902	or return;
		3903
		3904	my $value = uuid_seq uuid_cur;
		3905
		3906	unless ($value) {
		3907	info "cowardly refusing to write zero uuid value!\n";
		3908	return;
		3909	}
		3910
		3911	my $value = uuid_str $value + $uuid_skip;
		3912	$uuid_skip = 0;
		3913
		3914	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3915	and return;
		3916
		3917	# always fsync - this file is important
		3918	aio_fsync $fh
		3919	and return;
		3920
		3921	close $fh
		3922	or return;
		3923
		3924	aio_rename "$uuid~", $uuid
		3925	and return;
		3926
		3927	trace "uuid file written ($value).\n";
		3928
		3929	1
		3930
		3931	}
		3932
		3933	sub write_uuid($$) {
		3934	my ($skip, $sync) = @_;
		3935
		3936	$sync ? write_uuid_sync $skip
		3937	: async { write_uuid_sync $skip };
2348	}	3938	}
2349		3939
2350	sub emergency_save() {	3940	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3941	my $freeze_guard = cf::freeze_mainloop;
2352		3942
2353	warn "enter emergency perl save\n";	3943	info "emergency_perl_save: enter\n";
		3944
		3945	# this is a trade-off: we want to be very quick here, so
		3946	# save all maps without fsync, and later call a global sync
		3947	# (which in turn might be very very slow)
		3948	local $USE_FSYNC = 0;
2354		3949
2355	cf::sync_job {	3950	cf::sync_job {
		3951	cf::write_runtime_sync; # external watchdog should not bark
		3952
2356	# use a peculiar iteration method to avoid tripping on perl	3953	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3954	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3955	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3956	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3957	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3958	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3959	$pl->valid or next;
		3960	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3961	$pl->save;
2364	}	3962	}
2365	warn "end emergency player save\n";	3963	info "emergency_perl_save: end player save\n";
2366		3964
2367	warn "begin emergency map save\n";	3965	cf::write_runtime_sync; # external watchdog should not bark
		3966
		3967	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3968	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3969	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3970	$map->valid or next;
2371	$map->save;	3971	$map->save;
2372	}	3972	}
2373	warn "end emergency map save\n";	3973	info "emergency_perl_save: end map save\n";
		3974
		3975	cf::write_runtime_sync; # external watchdog should not bark
		3976
		3977	info "emergency_perl_save: begin database checkpoint\n";
		3978	BDB::db_env_txn_checkpoint $DB_ENV;
		3979	info "emergency_perl_save: end database checkpoint\n";
		3980
		3981	info "emergency_perl_save: begin write uuid\n";
		3982	write_uuid_sync 1;
		3983	info "emergency_perl_save: end write uuid\n";
		3984
		3985	cf::write_runtime_sync; # external watchdog should not bark
		3986
		3987	trace "emergency_perl_save: syncing database to disk";
		3988	BDB::db_env_txn_checkpoint $DB_ENV;
		3989
		3990	info "emergency_perl_save: starting sync\n";
		3991	IO::AIO::aio_sync sub {
		3992	info "emergency_perl_save: finished sync\n";
		3993	};
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
		3996
		3997	trace "emergency_perl_save: flushing outstanding aio requests";
		3998	while (IO::AIO::nreqs || BDB::nreqs) {
		3999	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4000	}
		4001
		4002	cf::write_runtime_sync; # external watchdog should not bark
2374	};	4003	};
2375		4004
2376	warn "leave emergency perl save\n";	4005	info "emergency_perl_save: leave\n";
2377	}	4006	}
2378		4007
		4008	sub post_cleanup {
		4009	my ($make_core) = @_;
		4010
		4011	IO::AIO::flush;
		4012
		4013	error Carp::longmess "post_cleanup backtrace"
		4014	if $make_core;
		4015
		4016	my $fh = pidfile;
		4017	unlink $PIDFILE if <$fh> == $$;
		4018	}
		4019
		4020	# a safer delete_package, copied from Symbol
		4021	sub clear_package($) {
		4022	my $pkg = shift;
		4023
		4024	# expand to full symbol table name if needed
		4025	unless ($pkg =~ /^main::.*::$/) {
		4026	$pkg = "main$pkg" if $pkg =~ /^::/;
		4027	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4028	$pkg .= '::' unless $pkg =~ /::$/;
		4029	}
		4030
		4031	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4032	my $stem_symtab = *{$stem}{HASH};
		4033
		4034	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4035	or return;
		4036
		4037	# clear all symbols
		4038	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4039	for my $name (keys %$leaf_symtab) {
		4040	_gv_clear *{"$pkg$name"};
		4041	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4042	}
		4043	}
		4044
2379	sub reload() {	4045	sub do_reload_perl() {
2380	# can/must only be called in main	4046	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	4047	unless (in_main) {
2382	warn "can only reload from main coroutine";	4048	error "can only reload from main coroutine";
2383	return;	4049	return;
2384	}	4050	}
2385		4051
2386	warn "reloading...";	4052	return if $RELOAD++;
2387		4053
2388	warn "cancelling server ticker";	4054	my $t1 = AE::time;
2389	$TICK_WATCHER->cancel;
2390		4055
		4056	while ($RELOAD) {
		4057	cf::get_slot 0.1, -1, "reload_perl";
		4058	info "perl_reload: reloading...";
		4059
		4060	trace "perl_reload: entering sync_job";
		4061
		4062	cf::sync_job {
2391	cf::emergency_save;	4063	#cf::emergency_save;
2392		4064
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";	4065	trace "perl_reload: cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	4066	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	4067	%EXT_CORO = ();
2415		4068
2416	warn "removing commands";	4069	trace "perl_reload: removing commands";
2417	%COMMAND = ();	4070	%COMMAND = ();
2418		4071
2419	warn "removing ext commands";	4072	trace "perl_reload: removing ext/exti commands";
2420	%EXTCMD = ();	4073	%EXTCMD = ();
		4074	%EXTICMD = ();
2421		4075
2422	warn "unloading/nuking all extensions";	4076	trace "perl_reload: unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	4077	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	4078	trace "... unloading $pkg";
2425		4079
2426	if (my $cb = $pkg->can ("unload")) {	4080	if (my $cb = $pkg->can ("unload")) {
2427	eval {	4081	eval {
2428	$cb->($pkg);	4082	$cb->($pkg);
2429	1	4083	1
2430	} or warn "$pkg unloaded, but with errors: $@";	4084	} or error "$pkg unloaded, but with errors: $@";
		4085	}
		4086
		4087	trace "... clearing $pkg";
		4088	clear_package $pkg;
2431	}	4089	}
2432		4090
2433	warn "... nuking $pkg";
2434	Symbol::delete_package $pkg;
2435	}
2436
2437	warn "unloading all perl modules loaded from $LIBDIR";	4091	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2438	while (my ($k, $v) = each %INC) {	4092	while (my ($k, $v) = each %INC) {
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4093	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		4094
2441	warn "... unloading $k";	4095	trace "... unloading $k";
2442	delete $INC{$k};	4096	delete $INC{$k};
2443		4097
2444	$k =~ s/\.pm$//;	4098	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;	4099	$k =~ s/\//::/g;
2446		4100
2447	if (my $cb = $k->can ("unload_module")) {	4101	if (my $cb = $k->can ("unload_module")) {
2448	$cb->();	4102	$cb->();
		4103	}
		4104
		4105	clear_package $k;
2449	}	4106	}
2450		4107
2451	Symbol::delete_package $k;
2452	}
2453
2454	warn "getting rid of safe::, as good as possible";	4108	trace "perl_reload: getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	4109	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4110	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		4111
2458	warn "unloading cf.pm \"a bit\"";	4112	trace "perl_reload: unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	4113	delete $INC{"cf.pm"};
		4114	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		4115
2461	# don't, removes xs symbols, too,	4116	# don't, removes xs symbols, too,
2462	# and global variables created in xs	4117	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	4118	#clear_package __PACKAGE__;
2464		4119
2465	warn "unload completed, starting to reload now";	4120	info "perl_reload: unload completed, starting to reload now";
2466		4121
2467	warn "reloading cf.pm";	4122	trace "perl_reload: reloading cf.pm";
2468	require cf;	4123	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4124	cf::_connect_to_perl_1;
2470		4125
2471	warn "loading config and database again";	4126	trace "perl_reload: loading config and database again";
2472	cf::cfg_load;	4127	cf::reload_config;
2473	cf::db_load;
2474		4128
2475	warn "loading extensions";	4129	trace "perl_reload: loading extensions";
2476	cf::load_extensions;	4130	cf::load_extensions;
2477		4131
		4132	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	4133	trace "perl_reload: reattaching attachments to objects/players";
2479	_global_reattach;	4134	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	4135	trace "perl_reload: reattaching attachments to maps";
2481	reattach $_ for values %MAP;	4136	reattach $_ for values %MAP;
		4137	trace "perl_reload: reattaching attachments to players";
		4138	reattach $_ for values %PLAYER;
		4139	}
2482		4140
2483	warn "loading reloadable resources";	4141	cf::_post_init 1;
2484	load_resources;
2485		4142
2486	warn "restarting server ticker";	4143	trace "perl_reload: leaving sync_job";
2487		4144
2488	$TICK_WATCHER->start;	4145	1
		4146	} or do {
		4147	error $@;
		4148	cf::cleanup "perl_reload: error, exiting.";
		4149	};
		4150
		4151	--$RELOAD;
		4152	}
		4153
		4154	$t1 = AE::time - $t1;
		4155	info "perl_reload: completed in ${t1}s\n";
		4156	};
		4157
		4158	our $RELOAD_WATCHER; # used only during reload
		4159
		4160	sub reload_perl() {
		4161	# doing reload synchronously and two reloads happen back-to-back,
		4162	# coro crashes during coro_state_free->destroy here.
		4163
		4164	$RELOAD_WATCHER ||= cf::async {
		4165	Coro::AIO::aio_wait cache_extensions;
		4166
		4167	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4168	do_reload_perl;
		4169	undef $RELOAD_WATCHER;
		4170	};
2489	};	4171	};
2490		4172	}
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		4173
2502	register_command "reload" => sub {	4174	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	4175	my ($who, $arg) = @_;
2504		4176
2505	if ($who->flag (FLAG_WIZ)) {	4177	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	4178	$who->message ("reloading server.");
2507		4179	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	4180	$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;	4181	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	4182	};
2520	}	4183	}
2521	};	4184	};
2522		4185
2523	unshift @INC, $LIBDIR;	4186	#############################################################################
2524		4187
2525	my $bug_warning = 0;	4188	my $bug_warning = 0;
2526		4189
2527	$TICK_WATCHER = Event->timer (	4190	sub wait_for_tick() {
2528	reentrant => 0,	4191	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2529	parked => 1,	4192
2530	prio => 0,	4193	$WAIT_FOR_TICK->wait;
2531	at => $NEXT_TICK || $TICK,	4194	}
2532	data => WF_AUTOCANCEL,	4195
2533	cb => sub {	4196	sub wait_for_tick_begin() {
		4197	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4198
		4199	my $signal = new Coro::Signal;
		4200	push @WAIT_FOR_TICK_BEGIN, $signal;
		4201	$signal->wait;
		4202	}
		4203
		4204	sub tick {
2534	if ($Coro::current != $Coro::main) {	4205	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4206	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4207	unless ++$bug_warning > 10;
2537	return;	4208	return;
		4209	}
		4210
		4211	cf::one_tick; # one server iteration
		4212
		4213	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4214
		4215	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4216	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4217	Coro::async_pool {
		4218	$Coro::current->{desc} = "runtime saver";
		4219	write_runtime_sync
		4220	or error "ERROR: unable to write runtime file: $!";
2538	}	4221	};
		4222	}
2539		4223
2540	$NOW = Event::time;	4224	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2541		4225	$sig->send;
2542	cf::server_tick; # one server iteration	4226	}
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545
2546	$WAIT_FOR_TICK->broadcast;	4227	$WAIT_FOR_TICK->broadcast;
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4228
2549	Event::sweep;	4229	$LOAD = ($NOW - $TICK_START) / $TICK;
2550	Coro::cede_notself;	4230	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4231
		4232	if (0) {
		4233	if ($NEXT_TICK) {
		4234	my $jitter = $TICK_START - $NEXT_TICK;
		4235	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4236	debug "jitter $JITTER\n";#d#
2551		4237	}
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	},	4238	}
2561	);	4239	}
2562		4240
2563	{	4241	{
2564	BDB::max_poll_time $TICK * 0.1;	4242	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4243
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4244	BDB::min_parallel 16;
2574		4245	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4246	#$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		4247
2590	unless ($DB_ENV) {	4248	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4249	$DB_ENV = BDB::db_env_create;
		4250	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4251	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4252	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4253	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4254	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4255
2593	cf::sync_job {	4256	cf::sync_job {
		4257	eval {
2594	BDB::db_env_open	4258	BDB::db_env_open
2595	$DB_ENV,	4259	$DB_ENV,
2596	$BDB_ENV_DIR,	4260	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4261	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4262	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4263	0666;
2600		4264
2601	cf::cleanup "$!" if $!;	4265	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		4266	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4267
2604	$DB_ENV->set_lk_detect;	4268	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	4269	};
2606	}	4270	}
		4271
		4272	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4273	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4274	};
		4275	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4276	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4277	};
		4278	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4279	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4280	};
2607	}	4281	}
2608		4282
2609	{	4283	{
		4284	# configure IO::AIO
		4285
2610	IO::AIO::min_parallel 8;	4286	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	4287	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	4288	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	4289	}
2623		4290
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	4291	our $_log_backtrace;
2625	reentrant => 0,	4292	our $_log_backtrace_last;
2626	data => WF_AUTOCANCEL,	4293
2627	after => 1,	4294	sub _log_backtrace {
2628	interval => 10,	4295	my ($msg, @addr) = @_;
2629	prio => 6, # keep it lowest so it acts like a watchdog	4296
2630	cb => Coro::unblock_sub {	4297	$msg =~ s/\n$//;
2631	write_runtime	4298
2632	or warn "ERROR: unable to write runtime file: $!";	4299	if ($_log_backtrace_last eq $msg) {
		4300	LOG llevInfo, "[ABT] $msg\n";
		4301	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4302	# limit the # of concurrent backtraces
		4303	} elsif ($_log_backtrace < 2) {
		4304	$_log_backtrace_last = $msg;
		4305	++$_log_backtrace;
		4306	my $perl_bt = Carp::longmess $msg;
		4307	async {
		4308	$Coro::current->{desc} = "abt $msg";
		4309
		4310	my @bt = fork_call {
		4311	@addr = map { sprintf "%x", $_ } @addr;
		4312	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4313	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4314	or die "addr2line: $!";
		4315
		4316	my @funcs;
		4317	my @res = <$fh>;
		4318	chomp for @res;
		4319	while (@res) {
		4320	my ($func, $line) = splice @res, 0, 2, ();
		4321	push @funcs, "[$func] $line";
		4322	}
		4323
		4324	@funcs
		4325	};
		4326
		4327	LOG llevInfo, "[ABT] $perl_bt\n";
		4328	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4329	LOG llevInfo, "[ABT] $_\n" for @bt;
		4330	--$_log_backtrace;
		4331	};
		4332	} else {
		4333	LOG llevInfo, "[ABT] $msg\n";
		4334	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2633	},	4335	}
2634	);	4336	}
		4337
		4338	# load additional modules
		4339	require "cf/$_.pm" for @EXTRA_MODULES;
		4340	cf::_connect_to_perl_2;
2635		4341
2636	END { cf::emergency_save }	4342	END { cf::emergency_save }
2637		4343
2638	1	4344	1
2639		4345

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