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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
60		120
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
66	our $NOW;	138	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		139
69	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
70	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
71
72	our %CFG;
73
74	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;
76
77	our %PLAYER; # all users
78	our %MAP; # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		143
83	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
86	binmode STDOUT;	160	binmode STDOUT;
87	binmode STDERR;	161	binmode STDERR;
88		162
89	# read virtual server time, if available	163	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
94	}	168	}
95		169
96	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	171
98	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		174
103	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
104		176
105	sub cf::map::normalise;	177	sub cf::map::normalise;
106		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
107	#############################################################################	183	#############################################################################
108		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
109	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
110		197
111	=over 4	198	=over 4
112		199
113	=item $cf::UPTIME	200	=item $cf::UPTIME
114		201
115	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
116		218
117	=item $cf::RUNTIME	219	=item $cf::RUNTIME
118		220
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	222	every server tick.
121		223
122	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		227
124	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
126		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
127	=item $cf::NOW	239	=item $cf::LOAD
128		240
129	The time of the last (current) server tick.	241	The raw value load value from the last tick.
130
131	=item $cf::TICK
132
133	The interval between server ticks, in seconds.
134		242
135	=item %cf::CFG	243	=item %cf::CFG
136		244
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	246	from wherever your confdir points to.
139		247
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		249
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
146	=back	283	=back
147		284
148	=cut	285	=cut
149		286
150	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	294	my $msg = join "", @_;
153		295
154	$msg .= "\n"	296	$msg .= "\n"
155	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
156		298
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		300
159	utf8::encode $msg;
160	LOG llevError, $msg;	301	LOG llevWarn, $msg;
161	};	302	};
162	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
163		317
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		325
171	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	327	# within the Safe compartment.
173	for my $pkg (qw(	328	for my $pkg (qw(
174	cf::global cf::attachable	329	cf::global cf::attachable
175	cf::object cf::object::player	330	cf::object cf::object::player
176	cf::client cf::player	331	cf::client cf::player
177	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
178	cf::map cf::party cf::region	334	cf::party cf::region
179	)) {	335	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	337	}
183		338
184	$Event::DIED = sub {	339	$EV::DIED = sub {
185	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
186	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
187		349
188	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
189		351
190	=over 4	352	=over 4
191		353
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	373	$d
212	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
213	}	375	}
214		376
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
216		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
217	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
218		392
219	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
220		394
221	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
222		396
223	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
224		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
225	=item cf::lock_wait $string	468	=item cf::lock_wait $string
226		469
227	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
228		471
229	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
230		473
231	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
234	returned.	477	returned.
235		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
236	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
238		484
239	=cut	485	=item $locked = cf::lock_active $string
240		486
241	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
242		492
243	sub lock_wait($) {	493	sub lock_wait($) {
244	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	495	}
252		496
253	sub lock_acquire($) {	497	sub lock_acquire($) {
254	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
255		500
256	# wait, to be sure we are not locked	501	sub lock_active($) {
257	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	503	}
266		504
267	sub freeze_mainloop {	505	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
269		507
270	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
272	};	578	}
273	$TICK_WATCHER->stop;	579	};
274	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
275	}	594	}
276		595
277	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
278		597
279	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		603
285	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
286		605
287	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
288		607
289	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
292		612
293	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
296	fast or be very important.	616	fast or be very important.
…		…
298	=cut	618	=cut
299		619
300	sub sync_job(&) {	620	sub sync_job(&) {
301	my ($job) = @_;	621	my ($job) = @_;
302		622
303	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
304	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
306		628
307	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	630
309	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
310		632
311	my $busy = 1;	633	my $busy = 1;
312	my @res;	634	my @res;
313		635
314	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	638	@res = eval { $job->() };
316	warn $@ if $@;	639	error $@ if $@;
317	undef $busy;	640	undef $busy;
318	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
319		642
320	while ($busy) {	643	while ($busy) {
321	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
322	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
323		654
324	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
325	} else {	656	} else {
326	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
327		658
…		…
347	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
348		679
349	$coro	680	$coro
350	}	681	}
351		682
352	sub write_runtime {	683	=item fork_call { }, @args
353	my $guard = cf::lock_acquire "write_runtime";
354		684
355	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
356		689
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
358	or return;
359		691
360	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
361	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
362	# 60 allows for the watchdog to kill the server.	694	}
363		695
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
365	and return;	697	my ($cb, @args) = @_;
366		698
367	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
368	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
369	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
370		702
371	close $fh	703	my @res = Coro::Util::fork_eval {
372	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
373		707
374	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
375	and return;	709	}
376		710
		711	sub objinfo {
377	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
378	}	875	}
379		876
380	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
381		878
382	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
383		880
384	=cut	881	=cut
385		882
386	sub datalog($@) {	883	sub datalog($@) {
387	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
389	}	886	}
390		887
391	=back	888	=back
392		889
393	=cut	890	=cut
394		891
395	#############################################################################	892	#############################################################################
396		893
397	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
398		895
399	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
402		899
403	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	902	Deliantra).
406		903
407	=over 4	904	=over 4
408		905
409	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
410		907
…		…
454	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
455		952
456	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
458		955
459	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
461		958
462	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
463		960
464	=over 4	961	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
574		1071
575	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		1076
580	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
582		1079
583	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
588		1085
589	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
590	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
591		1088
592	} elsif (ref $type) {	1089	} elsif (ref $type) {
593	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
594		1091
595	} else {	1092	} else {
596	shift @arg;	1093	shift @arg;
597	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
598	}	1095	}
599	}	1096	}
600	}	1097	}
601		1098
602	sub _object_attach {	1099	sub _object_attach {
…		…
612	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
613	}	1110	}
614		1111
615	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
616	} else {	1113	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
618	}	1115	}
619		1116
620	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
621	}	1118	}
622		1119
…		…
624	if (ref $_[0]) {	1121	if (ref $_[0]) {
625	_object_attach @_;	1122	_object_attach @_;
626	} else {	1123	} else {
627	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
628	}	1125	}
		1126	_recalc_want;
629	};	1127	};
630		1128
631	# all those should be optimised	1129	# all those should be optimised
632	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1135	reattach ($obj);
638	} else {	1136	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
640	}	1138	}
		1139	_recalc_want;
641	};	1140	};
642		1141
643	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
645		1144
…		…
660	";	1159	";
661	die if $@;	1160	die if $@;
662	}	1161	}
663		1162
664	our $override;	1163	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1165
667	sub override {	1166	sub override {
668	$override = 1;	1167	$override = 1;
669	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
670	}	1169	}
671		1170
672	sub do_invoke {	1171	sub do_invoke {
673	my $event = shift;	1172	my $event = shift;
674	my $callbacks = shift;	1173	my $callbacks = shift;
675		1174
676	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
677		1176
678	local $override;	1177	local $override;
679		1178
680	for (@$callbacks) {	1179	for (@$callbacks) {
681	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
682		1181
683	if ($@) {	1182	if ($@) {
684	warn "$@";
685	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
686	override;	1184	override;
687	}	1185	}
688		1186
689	return 1 if $override;	1187	return 1 if $override;
690	}	1188	}
691		1189
692	0	1190	0
693	}	1191	}
694		1192
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1194
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1196
699	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
700		1198
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1202
705	=back	1203	=back
706		1204
707	=cut	1205	=cut
708		1206
709	#############################################################################	1207	#############################################################################
710	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
711		1251
712	sub reattach {	1252	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1254	my ($obj) = @_;
715		1255
		1256	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1258
718	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
719		1260
720	@$registry = ();	1261	@$registry = ();
721		1262
…		…
726	for (@$attach) {	1267	for (@$attach) {
727	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
729	}	1270	}
730	} else {	1271	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1273	}
733	}	1274	}
734	}	1275	}
735		1276
736	cf::attachable->attach (	1277	cf::attachable->attach (
737	prio => -1000000,	1278	prio => -1000000,
738	on_instantiate => sub {	1279	on_instantiate => sub {
739	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
740		1281
741	$data = from_json $data;	1282	$data = decode_json $data;
742		1283
743	for (@$data) {	1284	for (@$data) {
744	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
745		1286
746	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1303	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
764		1305
765	sync_job {	1306	sync_job {
766	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
769		1312
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
774	close $fh;	1320	aio_close $fh;
775		1321
776	if (@$objs) {	1322	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
782	close $fh;	1331	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
784	}	1333	}
785	} else {	1334	} else {
786	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
787	}	1336	}
788		1337
789	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1342	} else {
791	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
792	}	1344	}
793	} else {	1345	} else {
794	aio_unlink $filename;	1346	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
796	}	1348	}
797	}	1349	};
798	}	1350	}
799		1351
800	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
802		1354
…		…
814	or return;	1366	or return;
815		1367
816	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
818	or return;	1370	or return;
		1371
819	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
820	}	1374	}
821		1375
		1376	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
824	return ($data, $av);	1381	($data, $av)
825	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
826		1389
827	#############################################################################	1390	#############################################################################
828	# command handling &c	1391	# command handling &c
829		1392
830	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1407	}
845		1408
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1410
848	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
849		1416
850	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
851	called.	1418	called.
852		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
853	=cut	1431	=cut
854		1432
855	sub register_extcmd {	1433	sub register_extcmd {
856	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
857		1435
858	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
859	}	1437	}
860		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
861	cf::player->attach (	1447	cf::player->attach (
862	on_command => sub {	1448	on_unknown_command => sub {
863	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
864		1450
865	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
866	or return;	1452	or return;
867		1453
…		…
872	cf::override;	1458	cf::override;
873	},	1459	},
874	on_extcmd => sub {	1460	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
876		1462
877	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1464
879	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
885	} else {	1480	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1482	}
888		1483
889	cf::override;	1484	cf::override;
890	},	1485	},
891	);	1486	);
892		1487
		1488	# "readahead" all extensions
893	sub load_extension {	1489	sub cache_extensions {
894	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
895		1491
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1495	}
921	die $@;
922	}	1496	};
923		1497
924	push @EXTS, $pkg;	1498	$grp
925	}	1499	}
926		1500
927	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
928	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1508	next unless -r $path;
930	eval {	1509
931	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
932	1	1573	}
933	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
934	}	1586	};
935	}	1587	}
936		1588
937	#############################################################################	1589	#############################################################################
938		1590
		1591	=back
		1592
939	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
940		1594
941	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
942		1596
943	=cut	1597	=cut
944		1598
945	package cf::player;	1599	package cf::player;
946		1600
…		…
948		1602
949	=head3 cf::player	1603	=head3 cf::player
950		1604
951	=over 4	1605	=over 4
952		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
953	=item cf::player::find $login	1621	=item cf::player::find $login
954		1622
955	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
956		1624
957	=cut	1625	=cut
958		1626
959	sub playerdir($) {	1627	sub playerdir($) {
960	cf::localdir	1628	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1630	}
966		1631
967	sub path($) {	1632	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1643
979	sub exists($) {	1644	sub exists($) {
980	my ($login) = @_;	1645	my ($login) = @_;
981		1646
982	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
984	}	1649	}
985		1650
986	sub find($) {	1651	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1653	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
999		1664
1000	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1003	}	1674	}
1004	}	1675	}
1005	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1006		1690
1007	sub save($) {	1691	sub save($) {
1008	my ($pl) = @_;	1692	my ($pl) = @_;
1009		1693
1010	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1015	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1016		1700
1017	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1019		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1020	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1021	Coro::cede;	1710	cf::cede_to_tick;
1022	}	1711	}
1023		1712
1024	sub new($) {	1713	sub new($) {
1025	my ($login) = @_;	1714	my ($login) = @_;
1026		1715
…		…
1032	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1033		1722
1034	$self	1723	$self
1035	}	1724	}
1036		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1037	=item $pl->quit_character	1736	=item $pl->quit_character
1038		1737
1039	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1041		1740
…		…
1045	my ($pl) = @_;	1744	my ($pl) = @_;
1046		1745
1047	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1048		1747
1049	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1750
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1053	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1055	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1056		1759
1057	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1059	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1088	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1089		1792
1090	=cut	1793	=cut
1091		1794
1092	sub list_logins {	1795	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1797	or return [];
1095		1798
1096	my @logins;	1799	my @logins;
1097		1800
1098	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1102		1811
1103	utf8::decode $login;	1812	utf8::decode $login;
1104	push @logins, $login;	1813	push @logins, $login;
1105	}	1814	}
1106		1815
1107	\@logins	1816	\@logins
1108	}	1817	}
1109		1818
1110	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1111		1822
1112	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1113	player. May block.	1824	player. May block.
1114		1825
1115	=cut	1826	=cut
…		…
1133	}	1844	}
1134		1845
1135	\@paths	1846	\@paths
1136	}	1847	}
1137		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1138	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1139		1854
1140	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1141		1856
1142	=cut	1857	=cut
1143		1858
1144	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1146		1861
1147	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1863	}
1151		1864
1152	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1153		1866
1154	Sends an ext event to the client.	1867	Sends an ext event to the client.
1155		1868
1156	=cut	1869	=cut
1157		1870
1158	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1160		1873
1161	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1162	}	1875	}
1163		1876
1164	=head3 cf::region	1877	=head3 cf::region
1165		1878
1166	=over 4	1879	=over 4
…		…
1169		1882
1170	package cf::region;	1883	package cf::region;
1171		1884
1172	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1173		1886
1174	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1175		1888
1176	=cut	1889	=cut
1177		1890
1178	sub find_by_path($) {	1891	sub find_by_path($) {
1179	my ($path) = @_;	1892	my ($path) = @_;
1180		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1181	my ($match, $specificity);	1896	my ($match, $specificity);
1182		1897
1183	for my $region (list) {	1898	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1187	}	1902	}
1188	}	1903	}
1189		1904
…		…
1210	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1212		1927
1213	sub generate_random_map {	1928	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1215	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1216	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region}), $rmp->{custom}
1228	)
1229	}	1934	}
1230		1935
1231	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1232		1937
1233	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1238		1943
1239	sub register {	1944	sub register {
1240	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1241	my $pkg = caller;	1946	my $pkg = caller;
1242		1947
1243	no strict;
1244	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1245		1949
1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1247	}	1951	}
1248		1952
1249	# also paths starting with '/'	1953	# also paths starting with '/'
1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1251		1955
1252	sub thawer_merge {	1956	sub thawer_merge {
1253	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1254		1958
1255	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1256	local $self->{path};	1960	local $self->{path};
1257	local $self->{load_path};	1961	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1962
1261	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1262	}	1964	}
1263		1965
1264	sub normalise {	1966	sub normalise {
1265	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1266		1968
1267	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1268		1970
1269	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1270		1972
1271	# map plan:	1973	# map plan:
1272	#	1974	#
…		…
1287	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1288	$path = "$base/$path";	1990	$path = "$base/$path";
1289	}	1991	}
1290		1992
1291	for ($path) {	1993	for ($path) {
1292	redo if s{//}{/};
1293	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1294	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1295	}	1996	}
1296		1997
1297	$path	1998	$path
…		…
1311	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1312	return $self;	2013	return $self;
1313	}	2014	}
1314	}	2015	}
1315		2016
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1317	()	2018	()
1318	}	2019	}
1319		2020
		2021	# may re-bless or do other evil things
1320	sub init {	2022	sub init {
1321	my ($self) = @_;	2023	my ($self) = @_;
1322		2024
1323	$self	2025	$self
1324	}	2026	}
…		…
1336		2038
1337	# the original (read-only) location	2039	# the original (read-only) location
1338	sub load_path {	2040	sub load_path {
1339	my ($self) = @_;	2041	my ($self) = @_;
1340		2042
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1342	}	2044	}
1343		2045
1344	# the temporary/swap location	2046	# the temporary/swap location
1345	sub save_path {	2047	sub save_path {
1346	my ($self) = @_;	2048	my ($self) = @_;
1347		2049
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1350	}	2052	}
1351		2053
1352	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1353	sub uniq_path {	2055	sub uniq_path {
1354	my ($self) = @_;	2056	my ($self) = @_;
1355		2057
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1358	}	2060	}
1359		2061
1360	# and all this just because we cannot iterate over	2062	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	2063	my ($self) = @_;
1364		2064
1365	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1367	}	2068	}
1368		2069
1369	sub unlink_save {	2070	sub unlink_save {
1370	my ($self) = @_;	2071	my ($self) = @_;
1371		2072
…		…
1376		2077
1377	sub load_header_from($) {	2078	sub load_header_from($) {
1378	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1379		2080
1380	utf8::encode $path;	2081	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	2083	or return;
1386		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1387	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1388		2092
1389	1	2093	1
1390	}	2094	}
1391		2095
		2096	# used to laod the header of an original map
1392	sub load_header_orig {	2097	sub load_header_orig {
1393	my ($self) = @_;	2098	my ($self) = @_;
1394		2099
1395	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1396	}	2101	}
1397		2102
		2103	# used to laod the header of an instantiated map
1398	sub load_header_temp {	2104	sub load_header_temp {
1399	my ($self) = @_;	2105	my ($self) = @_;
1400		2106
1401	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1402	}	2108	}
1403		2109
		2110	# called after loading the header from an instantiated map
1404	sub prepare_temp {	2111	sub prepare_temp {
1405	my ($self) = @_;	2112	my ($self) = @_;
1406		2113
1407	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1408	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1409	# safety	2116	# safety
1410	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1411	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1412	}	2119	}
1413		2120
		2121	# called after loading the header from an original map
1414	sub prepare_orig {	2122	sub prepare_orig {
1415	my ($self) = @_;	2123	my ($self) = @_;
1416		2124
1417	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1418	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1429	$self->load_header_orig	2137	$self->load_header_orig
1430	or return;	2138	or return;
1431	$self->prepare_orig;	2139	$self->prepare_orig;
1432	}	2140	}
1433		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1434	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2146	unless $self->default_region;
1436		2147
1437	1	2148	1
1438	}	2149	}
1439		2150
1440	sub find;	2151	sub find;
1441	sub find {	2152	sub find {
1442	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1443		2154
		2155	cf::cede_to_tick;
		2156
1444	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1445		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2161
1448	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1451	or return;	2164	or return;
1452		2165
1453	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1454		2167
1455	$map->load_header	2168	$map->load_header
1456	or return;	2169	or return;
1457		2170
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1461	$map->reset;	2176	$map->reset;
1462	undef $guard;
1463	return find $path;	2177	return find $path;
1464	}	2178	}
1465		2179
1466	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1467	}	2181	}
1468	}	2182	}
1469		2183
1470	sub pre_load { }	2184	sub pre_load { }
1471	sub post_load { }	2185	#sub post_load { } # XS
1472		2186
1473	sub load {	2187	sub load {
1474	my ($self) = @_;	2188	my ($self) = @_;
1475		2189
1476	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1477		2191
1478	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1480		2196
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1482		2199
1483	$self->in_memory (cf::MAP_LOADING);
1484
1485	$self->alloc;	2200	$self->alloc;
1486		2201
1487	$self->pre_load;	2202	$self->pre_load;
1488	Coro::cede;	2203	cf::cede_to_tick;
1489		2204
1490	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1491	or return;	2209	or return;
1492		2210
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1494	if delete $self->{load_original};	2212	if delete $self->{load_original};
1495		2213
1496	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2215	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2218	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1501	}	2223	}
1502	}
1503		2224
1504	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1505	# now do the right thing for maps	2234	# now do the right thing for maps
1506	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2237	unless $self->difficulty;
1517	Coro::cede;	2238	cf::cede_to_tick;
1518	$self->activate;	2239
1519	Coro::cede;	2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1520	}	2250	}
1521		2251
1522	$self->post_load;	2252	$self->post_load;
1523	Coro::cede;
1524		2253
1525	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1526	}	2255	}
1527		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2260	sub customise_for {
1529	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1530		2262
1531	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2264	if $self->per_player;
1533		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1534	$self	2269	$self
1535	}
1536
1537	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {
1539	my ($map) = @_;
1540
1541	my @diag; # diagonal neighbours
1542
1543	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)
1545	or next;
1546	$neigh = find $neigh, $map
1547	or next;
1548	$neigh->load;
1549
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}
1553
1554	for (@diag) {
1555	my $neigh = find @$_
1556	or next;
1557	$neigh->load;
1558	}
1559	}	2270	}
1560		2271
1561	sub find_sync {	2272	sub find_sync {
1562	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1563		2274
1564	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1565	}	2280	}
1566		2281
1567	sub do_load_sync {	2282	sub do_load_sync {
1568	my ($map) = @_;	2283	my ($map) = @_;
1569		2284
1570	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1571	}	2290	}
1572		2291
1573	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1575		2294
1576	sub find_async {	2295	sub find_async {
1577	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1578		2297
1579	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1580		2299
1581	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1583	}	2302	}
1584		2303
1585	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1586	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1587	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2311	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2312	$map->load if $v;
		2313	}
1592		2314
1593	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1594	}	2316	}
1595	}	2317	}
1596	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1597	};	2319	};
1598	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1599		2321
1600	()	2322	()
1601	}	2323	}
1602		2324
		2325	# common code, used by both ->save and ->swapout
1603	sub save {	2326	sub _save {
1604	my ($self) = @_;	2327	my ($self) = @_;
1605
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1607		2328
1608	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1609		2330
1610	return unless $self->dirty;	2331	return unless $self->dirty;
1611		2332
…		…
1617	return if $self->{deny_save};	2338	return if $self->{deny_save};
1618		2339
1619	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1620		2341
1621	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1623	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1624		2348
1625	if ($uniq) {	2349	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2352	} else {
1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1630	}	2354	}
1631	}	2355	}
1632		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1633	sub swap_out {	2365	sub swap_out {
1634	my ($self) = @_;	2366	my ($self) = @_;
1635		2367
1636	# save first because save cedes
1637	$self->save;
1638
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1641	return if $self->players;	2372	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};
1644		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1645	$self->clear;	2383	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2384	}
1648		2385
1649	sub reset_at {	2386	sub reset_at {
1650	my ($self) = @_;	2387	my ($self) = @_;
1651		2388
1652	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1655		2391
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2394
…		…
1669	my ($self) = @_;	2405	my ($self) = @_;
1670		2406
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2408
1673	return if $self->players;	2409	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2410
1676	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1677		2412
1678	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1679		2414
1680	# need to save uniques path	2415	# need to save uniques path
1681	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1682	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1683		2418
…		…
1685	if $uniq;	2420	if $uniq;
1686	}	2421	}
1687		2422
1688	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1689		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2427	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2428
1694	$self->unlink_save;	2429	$self->unlink_save;
1695	$self->destroy;	2430	$self->destroy;
1696	}	2431	}
1697		2432
1698	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1699		2434
1700	sub nuke {	2435	sub nuke {
1701	my ($self) = @_;	2436	my ($self) = @_;
1702		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1703	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1704		2442
1705	$self->unlink_save;	2443	$self->unlink_save;
1706		2444
1707	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1708	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2450
1713	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1714		2453
1715	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1716	}	2491	}
1717		2492
1718	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1719		2494
1720	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2496	instantiated unique items. May block.
1722		2497
1723	=cut	2498	=cut
1724		2499
1725	sub unique_maps() {	2500	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1727	or return;	2502	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2503	utf8::decode $_;
1733	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2506	? ()
1736	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2509	]
1738
1739	\@paths
1740	}	2510	}
1741		2511
1742	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1743		2543
1744	=back	2544	=back
1745		2545
1746	=head3 cf::object	2546	=head3 cf::object
1747		2547
…		…
1751		2551
1752	=over 4	2552	=over 4
1753		2553
1754	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1755		2555
1756	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1757		2558
1758	=cut	2559	=cut
1759		2560
1760	sub inv_recursive_;	2561	sub inv_recursive_;
1761	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1764		2565
1765	sub inv_recursive {	2566	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1767	}	2568	}
1768		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1769	package cf;	2598	package cf;
1770		2599
1771	=back	2600	=back
1772		2601
1773	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1779	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1781	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1782		2611
1783	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1784		2627
1785	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2629	# with dialog boxes.
1787	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1788	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1790		2633
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2635
1793	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1795	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1798	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1799	}	2661	}
1800		2662
1801	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1802		2664
1803	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1816		2678
1817	=item $player_object->enter_link	2679	=item $player_object->enter_link
1818		2680
1819	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1820		2682
1821	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1822	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1823		2687
1824	Will never block.	2688	Will never block.
1825		2689
1826	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1827		2691
…		…
1847	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1848	my ($self) = @_;	2712	my ($self) = @_;
1849		2713
1850	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1851		2715
		2716	++$self->{_link_recursion};
		2717
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2719
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1856		2722
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1858	}	2724	}
1859		2725
1860	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1862		2730
1863	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1864		2732
1865	unless ($map) {	2733	unless ($map) {
1866	# restore original map position	2734	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1879		2747
1880	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1883		2751
1884	$map->load;	2752	$map->load;
1885	$map->load_diag;
1886		2753
1887	return unless $self->contr->active;	2754	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2755
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1892	}	2758	# entering was successful
1893		2759	delete $self->{_link_recursion};
1894	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2761	$self->activate_recursive;
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},	2762	}
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2763
1908	# try to abort aborted map switching on player login :)	2764	}
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2765
1926	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1927		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1928	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1929		2780
1930	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2792
1933	$self->enter_link;	2793	$self->enter_link;
1934		2794
1935	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1936	my $map = eval {	2817	my $map = eval {
1937	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1939	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2833	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1944	})->prio (1);	2841	})->prio (1);
1945	}	2842	}
1946		2843
1947	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1948		2845
…		…
1968	}	2865	}
1969		2866
1970	sub prepare_random_map {	2867	sub prepare_random_map {
1971	my ($exit) = @_;	2868	my ($exit) = @_;
1972		2869
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2872	# that depends on the exit object
1978		2873
1979	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2876	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1986	}	2883	}
1987		2884
1988	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1989		2886
1990	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1993		2890
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2893	undef $fh;
1997	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1998		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2001	}	2902	}
2002	}	2903	}
2003		2904
2004	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2006		2907
2007	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2008		2909
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2910	$self->enter_link;
2021		2911
2022	(async {	2912	(async {
2023	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2024	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2025	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2026		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2027	1;	2951	1
2028	}) {	2952	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2031	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2957
2034	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2035	$self->leave_link;	2959	$self->leave_link;
2036	}	2960	}
2037	})->prio (1);	2961	})->prio (1);
2038	}	2962	}
2039		2963
…		…
2053		2977
2054	utf8::encode $text;	2978	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2980	}
2057		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2058	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2059		3170
2060	Sends an exti event to the client.	3171	Sends an ext event to the client.
2061		3172
2062	=cut	3173	=cut
2063		3174
2064	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2066		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2069	}	3202	}
2070		3203
2071	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2072		3205
2073	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		3209
2077	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	3211	become reliable at some point in the future.
2079		3212
2080	=cut	3213	=cut
2081		3214
2082	sub cf::client::query {	3215	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3224	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3226
2094	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2096	}	3231	}
2097		3232
2098	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2099	on_reply => sub {	3239	on_reply => sub {
2100	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2101		3241
2102	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2103	# get handled first	3243	# get handled first
…		…
2115	} else {	3255	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3257	}
2118	}	3258	}
2119	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2120	);	3286	);
2121		3287
2122	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2123		3289
2124	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2140		3306
2141	$coro	3307	$coro
2142	}	3308	}
2143		3309
2144	cf::client->attach (	3310	cf::client->attach (
2145	on_destroy => sub {	3311	on_client_destroy => sub {
2146	my ($ns) = @_;	3312	my ($ns) = @_;
2147		3313
2148	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2149	},	3315	},
2150	);	3316	);
…		…
2165	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2167		3333
2168	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2169		3335
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2171		3341
2172	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2173		3343
2174	=pod	3344	=pod
2175		3345
2176	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2177		3347
2178	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2179	cf::object::player player	3353	cf::object::player
2180	cf::player peaceful	3354	player
2181	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2182		3361
2183	=cut	3362	=cut
2184		3363
2185	for (	3364	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2187	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2190	) {	3371	) {
2191	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2194	for @funs;	3374	for @funs;
2195	}	3375	}
2196		3376
…		…
2211		3391
2212	my $qcode = $code;	3392	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2215		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2216	local $_;	3399	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3400
2219	my $eval =	3401	my $eval =
2220	"do {\n"	3402	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3405	. $code
2224	. "\n}"	3406	. "\n}"
2225	;	3407	;
2226		3408
		3409	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2230		3418
2231	if ($@) {	3419	if ($@) {
2232	warn "$@";	3420	warn "$@",
2233	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2234	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2235	}	3423	}
2236		3424
2237	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2238	}	3426	}
2239		3427
…		…
2253	=cut	3441	=cut
2254		3442
2255	sub register_script_function {	3443	sub register_script_function {
2256	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2257		3445
2258	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2260	}	3448	}
2261		3449
2262	=back	3450	=back
2263		3451
2264	=cut	3452	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3453
2435	#############################################################################	3454	#############################################################################
2436	# the server's init and main functions	3455	# the server's init and main functions
2437		3456
2438	sub load_facedata($) {	3457	sub load_facedata($) {
2439	my ($path) = @_;	3458	my ($path) = @_;
2440		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2441	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2442		3467
2443	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2444	0 < aio_load $path, $facedata
2445	or die "$path: $!";
2446
2447	$facedata = Coro::Storable::thaw $facedata;
2448		3469
2449	$facedata->{version} == 2	3470	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2452	{	3482	{
2453	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2454		3484
2455	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2461	}	3495	}
2462		3496
2463	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2465	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2466	or next;	3501	or next;
		3502
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3506	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3508	}
2472	Coro::cede;	3509
		3510	cf::cede_to_tick;
2473	}	3511	}
2474	}	3512	}
2475		3513
2476	{	3514	{
2477	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2478		3516
2479	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3519	cf::cede_to_tick;
2482	}	3520	}
2483		3521
2484	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2485	}	3523	}
2486		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2487	1	3544	1
2488	}	3545	}
2489		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
		3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
		3577	}
		3578
2490	sub reload_facedata {	3579	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3580	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
2493	}	3582	}
2494		3583
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3584	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3585	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
2503	}	3587	}
2504		3588
2505	sub reload_treasures {	3589	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3590	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2508	}	3592	}
2509		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2510	sub reload_resources {	3614	sub reload_resources {
2511	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2512		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2513	reload_regions;	3622	reload_regions;
2514	reload_facedata;
2515	reload_archetypes;
2516	reload_treasures;	3623	reload_treasures;
2517		3624
2518	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2519	}	3626	}
2520		3627
2521	sub init {	3628	sub reload_config {
2522	reload_resources;	3629	trace "reloading config file...\n";
2523	}
2524		3630
2525	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3632	utf8::decode $config;
2527	or return;	3633	*CFG = decode_yaml $config;
2528		3634
2529	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;
2531
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2533		3636
2534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2536		3639
2537	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2541	};	3644	};
2542	warn $@ if $@;	3645	warn $@ if $@;
2543	}	3646	}
2544	}	3647	}
2545		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2546	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2547	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3690	(async {
2551	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2553	};	3694	};
2554		3695
2555	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2556	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2557	load_extensions;	3719	load_extensions;
2558		3720
2559	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2561	}	3738	}
2562		3739
2563	#############################################################################	3740	#############################################################################
2564	# initialisation and cleanup	3741	# initialisation and cleanup
2565		3742
2566	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2567	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2576	},
2577	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2578	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2579	}	3839	}
2580		3840
2581	sub emergency_save() {	3841	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2583		3843
2584	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2585		3850
2586	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2587	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3862	$pl->save;
2595	}	3863	}
2596	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2597		3865
2598	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3871	$map->valid or next;
2602	$map->save;	3872	$map->save;
2603	}	3873	}
2604	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2605		3875
2606	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2609	};	3904	};
2610		3905
2611	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2612	}	3907	}
2613		3908
2614	sub post_cleanup {	3909	sub post_cleanup {
2615	my ($make_core) = @_;	3910	my ($make_core) = @_;
2616		3911
		3912	IO::AIO::flush;
		3913
2617	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
2619	}	3944	}
2620		3945
2621	sub do_reload_perl() {	3946	sub do_reload_perl() {
2622	# can/must only be called in main	3947	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2624	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2625	return;	3950	return;
2626	}	3951	}
2627		3952
2628	warn "reloading...";	3953	return if $RELOAD++;
2629		3954
2630	warn "entering sync_job";	3955	my $t1 = AE::time;
2631		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2632	cf::sync_job {	3963	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark
2634	cf::emergency_save;	3964	#cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark
2636		3965
2637	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;
2639
2640	# if anything goes wrong in here, we should simply crash as we already saved
2641
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();	3968	%EXT_CORO = ();
2661		3969
2662	warn "removing commands";	3970	trace "perl_reload: removing commands";
2663	%COMMAND = ();	3971	%COMMAND = ();
2664		3972
2665	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2666	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2667		3976
2668	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2671		3980
2672	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2673	eval {	3982	eval {
2674	$cb->($pkg);	3983	$cb->($pkg);
2675	1	3984	1
2676	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2677	}	3990	}
2678		3991
2679	warn "... nuking $pkg";
2680	Symbol::delete_package $pkg;
2681	}
2682
2683	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2684	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3995
2687	warn "... unloading $k";	3996	trace "... unloading $k";
2688	delete $INC{$k};	3997	delete $INC{$k};
2689		3998
2690	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2692		4001
2693	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2694	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2695	}	4007	}
2696		4008
2697	Symbol::delete_package $k;
2698	}
2699
2700	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		4012
2704	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
2706	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2707		4016
2708	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2709	# and global variables created in xs	4018	# and global variables created in xs
2710	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2711		4020
2712	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2713		4022
2714	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2715	require cf;	4024	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2717		4026
2718	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2719	cf::cfg_load;	4028	cf::reload_config;
2720		4029
2721	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2722	cf::load_extensions;	4031	cf::load_extensions;
2723		4032
		4033	if ($REATTACH_ON_RELOAD) {
2724	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2725	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
2726	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2727	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
2728	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
2729	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
2730		4041
2731	warn "leaving sync_job";	4042	cf::_post_init 1;
2732		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
2733	1	4046	1
2734	} or do {	4047	} or do {
2735	warn $@;	4048	error $@;
2736	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
2737	exit 1;	4050	};
		4051
		4052	--$RELOAD;
2738	};	4053	}
2739		4054
2740	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
2741	};	4057	};
2742		4058
2743	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
2744		4060
2745	sub reload_perl() {	4061	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
2748		4064
2749	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
2750	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
2751	after => 0,	4067
2752	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2753	cb => sub {
2754	do_reload_perl;	4069	do_reload_perl;
2755	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
2756	},	4071	};
2757	);	4072	};
2758	}	4073	}
2759		4074
2760	register_command "reload" => sub {	4075	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2762		4077
2763	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	4082	reload_perl;
		4083	};
2766	}	4084	}
2767	};	4085	};
2768		4086
2769	unshift @INC, $LIBDIR;	4087	#############################################################################
2770		4088
2771	my $bug_warning = 0;	4089	my $bug_warning = 0;
2772		4090
2773	our @WAIT_FOR_TICK;
2774	our @WAIT_FOR_TICK_BEGIN;
2775
2776	sub wait_for_tick {	4091	sub wait_for_tick() {
2777	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2778	return if $Coro::current == $Coro::main;
2779		4093
2780	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
2781	push @WAIT_FOR_TICK, $signal;
2782	$signal->wait;
2783	}	4095	}
2784		4096
2785	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
2786	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2787	return if $Coro::current == $Coro::main;
2788		4099
2789	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	4102	$signal->wait;
2792	}	4103	}
2793		4104
2794	$TICK_WATCHER = Event->timer (	4105	sub tick {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
2804	return;	4109	return;
2805	}	4110	}
2806		4111
2807	$NOW = Event::time;	4112	cf::one_tick; # one server iteration
2808		4113
2809	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2810		4115
2811	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;
2813
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	4118	Coro::async_pool {
		4119	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	4120	write_runtime_sync
2818	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
2819	};
2820	}	4122	};
		4123	}
2821		4124
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	4126	$sig->send;
2833	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;
2836	}
2837
2838	_post_tick;
2839	},	4127	}
2840	);	4128	$WAIT_FOR_TICK->broadcast;
		4129
		4130	$LOAD = ($NOW - $TICK_START) / $TICK;
		4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4132
		4133	if (0) {
		4134	if ($NEXT_TICK) {
		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
		4139	}
		4140	}
2841		4141
2842	{	4142	{
2843	BDB::max_poll_time $TICK * 0.1;	4143	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	4144
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
2853		4146	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	4147	#$AnyEvent::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		4148
2869	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
2870	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
		4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871		4156
2872	cf::sync_job {	4157	cf::sync_job {
2873	eval {	4158	eval {
2874	BDB::db_env_open	4159	BDB::db_env_open
2875	$DB_ENV,	4160	$DB_ENV,
2876	$BDB_ENV_DIR,	4161	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	4164	0666;
2880		4165
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	4167	};
2886		4168
2887	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	4170	};
2889	}	4171	}
		4172
		4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4175	};
		4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4178	};
		4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4181	};
2890	}	4182	}
2891		4183
2892	{	4184	{
		4185	# configure IO::AIO
		4186
2893	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
2898	reentrant => 0,	4190	}
2899	data => WF_AUTOCANCEL,	4191
2900	fd => IO::AIO::poll_fileno,	4192	our $_log_backtrace;
2901	poll => 'r',	4193	our $_log_backtrace_last;
2902	prio => 6,	4194
2903	cb => \&IO::AIO::poll_cb,	4195	sub _log_backtrace {
2904	);	4196	my ($msg, @addr) = @_;
		4197
		4198	$msg =~ s/\n$//;
		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4203	# limit the # of concurrent backtraces
		4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
		4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
		4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
		4211	my @bt = fork_call {
		4212	@addr = map { sprintf "%x", $_ } @addr;
		4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4215	or die "addr2line: $!";
		4216
		4217	my @funcs;
		4218	my @res = <$fh>;
		4219	chomp for @res;
		4220	while (@res) {
		4221	my ($func, $line) = splice @res, 0, 2, ();
		4222	push @funcs, "[$func] $line";
		4223	}
		4224
		4225	@funcs
		4226	};
		4227
		4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4230	LOG llevInfo, "[ABT] $_\n" for @bt;
		4231	--$_log_backtrace;
		4232	};
		4233	} else {
		4234	LOG llevInfo, "[ABT] $msg\n";
		4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4236	}
2905	}	4237	}
2906		4238
2907	# load additional modules	4239	# load additional modules
2908	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
2909		4242
2910	END { cf::emergency_save }	4243	END { cf::emergency_save }
2911		4244
2912	1	4245	1
2913		4246

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