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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.578 by root, Wed Jan 4 02:48:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	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.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	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
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	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	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		325
194	# 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
195	# within the Safe compartment.	327	# within the Safe compartment.
196	for my $pkg (qw(	328	for my $pkg (qw(
197	cf::global cf::attachable	329	cf::global cf::attachable
198	cf::object cf::object::player	330	cf::object cf::object::player
199	cf::client cf::player	331	cf::client cf::player
200	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
201	cf::map cf::party cf::region	334	cf::party cf::region
202	)) {	335	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	337	}
206		338
207	$Event::DIED = sub {	339	$EV::DIED = sub {
208	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
209	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
210		349
211	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
212		351
213	=over 4	352	=over 4
214		353
…		…
233	$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;
234	$d	373	$d
235	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
236	}	375	}
237		376
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
239		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
240	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
241		392
242	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
243		394
244	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
245		396
246	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	468	=item cf::lock_wait $string
249		469
250	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
251		471
252	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
253		473
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
257	returned.	477	returned.
258		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
259	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
260	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
261		484
262	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
263		486
264	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
265		488
266	=cut	489	=cut
267		490
268	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
269		492
270	sub lock_wait($) {	493	sub lock_wait($) {
271	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	495	}
279		496
280	sub lock_acquire($) {	497	sub lock_acquire($) {
281	my ($key) = @_;	498	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	499	}
293		500
294	sub lock_active($) {	501	sub lock_active($) {
295	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	503	}
299		504
300	sub freeze_mainloop {	505	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
302		507
303	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
304	$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	}
305	};	578	}
306	$TICK_WATCHER->stop;	579	};
307	$guard	580
		581	sub get_slot($;$$) {
		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;
308	}	594	}
309		595
310	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
311		597
312	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		603
318	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
319		605
320	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
321		607
322	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
323	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
324	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.
325		612
326	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
327	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
328	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
329	fast or be very important.	616	fast or be very important.
…		…
331	=cut	618	=cut
332		619
333	sub sync_job(&) {	620	sub sync_job(&) {
334	my ($job) = @_;	621	my ($job) = @_;
335		622
336	if ($Coro::current == $Coro::main) {	623	if (in_main) {
337	my $time = Event::time;	624	my $time = AE::time;
338		625
339	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
341		628
342	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	630
344	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
345		632
346	my $busy = 1;	633	my $busy = 1;
347	my @res;	634	my @res;
348		635
349	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	638	@res = eval { $job->() };
351	warn $@ if $@;	639	error $@ if $@;
352	undef $busy;	640	undef $busy;
353	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
354		642
355	while ($busy) {	643	while ($busy) {
356	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
357	}	648	}
		649	}
358		650
359	$time = Event::time - $time;	651	my $time = AE::time - $time;
360		652
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
365		654
366	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
367	} else {	656	} else {
368	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
369		658
…		…
389	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
390		679
391	$coro	680	$coro
392	}	681	}
393		682
394	sub write_runtime {	683	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		684
397	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		689
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	690	=cut
401	utime undef, undef, $fh;	691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
		696	sub fork_call(&@) {
		697	my ($cb, @args) = @_;
		698
		699	# we seemingly have to make a local copy of the whole thing,
		700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		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 $!;
402	}	779	};
		780	cf::cleanup "db_open(db): $@" if $@;
403		781
404	my $guard = cf::lock_acquire "write_runtime";	782	$db
		783	}
405		784
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	785	our $DB;
407	or return;
408		786
409	my $value = $cf::RUNTIME + 90 + 10;	787	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	788	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	789	}
412		790
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	791	sub db_get($$) {
414	and return;	792	my $key = "$_[0]/$_[1]";
415		793
416	# always fsync - this file is important	794	cf::error "db_get called from main context"
417	aio_fsync $fh	795	if $Coro::current == $Coro::main;
418	and return;
419		796
420	# touch it again to show we are up-to-date	797	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		798
423	close $fh	799	$! ? ()
424	or return;	800	: $data
		801	}
425		802
426	aio_rename "$runtime~", $runtime	803	sub db_put($$$) {
427	and return;	804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
428		807
429	warn "runtime file written.\n";#d#	808	=item cf::cache $id => [$paths...], $processversion => $process
430		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;
431	1	872	}
		873
		874	db_get cache => "$id/data"
432	}	875	}
433		876
434	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
435		878
436	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.
437		880
438	=cut	881	=cut
439		882
440	sub datalog($@) {	883	sub datalog($@) {
441	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	886	}
444		887
445	=back	888	=back
446		889
447	=cut	890	=cut
448		891
449	#############################################################################	892	#############################################################################
450		893
451	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
452		895
453	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
454	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")
455	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
456		899
457	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>
458	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
459	crossfire+).	902	Deliantra).
460		903
461	=over 4	904	=over 4
462		905
463	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
464		907
…		…
508	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
509		952
510	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
511	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
512		955
513	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		958
516	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
517		960
518	=over 4	961	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
628		1071
629	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		1076
634	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
636		1079
637	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
642		1085
643	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1088
646	} elsif (ref $type) {	1089	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
648		1091
649	} else {	1092	} else {
650	shift @arg;	1093	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
652	}	1095	}
653	}	1096	}
654	}	1097	}
655		1098
656	sub _object_attach {	1099	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
667	}	1110	}
668		1111
669	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
670	} else {	1113	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1115	}
673		1116
674	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
675	}	1118	}
676		1119
…		…
678	if (ref $_[0]) {	1121	if (ref $_[0]) {
679	_object_attach @_;	1122	_object_attach @_;
680	} else {	1123	} else {
681	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
682	}	1125	}
		1126	_recalc_want;
683	};	1127	};
684		1128
685	# all those should be optimised	1129	# all those should be optimised
686	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
691	reattach ($obj);	1135	reattach ($obj);
692	} else {	1136	} else {
693	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
694	}	1138	}
		1139	_recalc_want;
695	};	1140	};
696		1141
697	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
699		1144
…		…
714	";	1159	";
715	die if $@;	1160	die if $@;
716	}	1161	}
717		1162
718	our $override;	1163	our $override;
719	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?
720		1165
721	sub override {	1166	sub override {
722	$override = 1;	1167	$override = 1;
723	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
724	}	1169	}
725		1170
726	sub do_invoke {	1171	sub do_invoke {
727	my $event = shift;	1172	my $event = shift;
728	my $callbacks = shift;	1173	my $callbacks = shift;
729		1174
730	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
731		1176
732	local $override;	1177	local $override;
733		1178
734	for (@$callbacks) {	1179	for (@$callbacks) {
735	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
736		1181
737	if ($@) {	1182	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1184	override;
741	}	1185	}
742		1186
743	return 1 if $override;	1187	return 1 if $override;
744	}	1188	}
745		1189
746	0	1190	0
747	}	1191	}
748		1192
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1194
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1196
753	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
754		1198
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1202
759	=back	1203	=back
760		1204
761	=cut	1205	=cut
762		1206
763	#############################################################################	1207	#############################################################################
764	# 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	}
765		1251
766	sub reattach {	1252	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1254	my ($obj) = @_;
769		1255
		1256	# no longer needed after getting rid of delete_package?
770	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
771		1258
772	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
773		1260
774	@$registry = ();	1261	@$registry = ();
775		1262
…		…
780	for (@$attach) {	1267	for (@$attach) {
781	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
783	}	1270	}
784	} else {	1271	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1273	}
787	}	1274	}
788	}	1275	}
789		1276
790	cf::attachable->attach (	1277	cf::attachable->attach (
791	prio => -1000000,	1278	prio => -1000000,
792	on_instantiate => sub {	1279	on_instantiate => sub {
793	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
794		1281
795	$data = from_json $data;	1282	$data = decode_json $data;
796		1283
797	for (@$data) {	1284	for (@$data) {
798	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
799		1286
800	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1303	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
818		1305
819	sync_job {	1306	sync_job {
820	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
823		1312
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1320	aio_close $fh;
829		1321
830	if (@$objs) {	1322	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1331	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
838	}	1333	}
839	} else {	1334	} else {
840	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
841	}	1336	}
842		1337
843	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1342	} else {
845	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
846	}	1344	}
847	} else {	1345	} else {
848	aio_unlink $filename;	1346	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
850	}	1348	}
851	}	1349	};
852	}	1350	}
853		1351
854	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
856		1354
…		…
868	or return;	1366	or return;
869		1367
870	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
872	or return;	1370	or return;
		1371
873	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
874	}	1374	}
875		1375
		1376	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
878	return ($data, $av);	1381	($data, $av)
879	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
880		1389
881	#############################################################################	1390	#############################################################################
882	# command handling &c	1391	# command handling &c
883		1392
884	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1407	}
899		1408
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1410
902	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.
903		1416
904	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
905	called.	1418	called.
906		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
907	=cut	1431	=cut
908		1432
909	sub register_extcmd {	1433	sub register_extcmd {
910	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
911		1435
912	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
913	}	1437	}
914		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
915	cf::player->attach (	1447	cf::player->attach (
916	on_command => sub {	1448	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
918		1450
919	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
920	or return;	1452	or return;
921		1453
…		…
926	cf::override;	1458	cf::override;
927	},	1459	},
928	on_extcmd => sub {	1460	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
930		1462
931	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1464
933	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
939	} else {	1477	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1479	}
942		1480
943	cf::override;	1481	cf::override;
944	},	1482	},
945	);	1483	);
946		1484
		1485	# "readahead" all extensions
947	sub load_extension {	1486	sub cache_extensions {
948	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
949		1488
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1492	}
975	die $@;
976	}	1493	};
977		1494
978	push @EXTS, $pkg;	1495	$grp
979	}	1496	}
980		1497
981	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
982	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1505	next unless -r $path;
984	eval {	1506
985	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
986	1	1570	}
987	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
988	}	1583	};
989	}	1584	}
990		1585
991	#############################################################################	1586	#############################################################################
992		1587
		1588	=back
		1589
993	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
994		1591
995	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
996		1593
997	=cut	1594	=cut
998		1595
999	package cf::player;	1596	package cf::player;
1000		1597
1001	use Coro::AIO;	1598	use Coro::AIO;
1002		1599
1003	=head3 cf::player	1600	=head3 cf::player
1004		1601
1005	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1006		1617
1007	=item cf::player::find $login	1618	=item cf::player::find $login
1008		1619
1009	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1010		1621
…		…
1029		1640
1030	sub exists($) {	1641	sub exists($) {
1031	my ($login) = @_;	1642	my ($login) = @_;
1032		1643
1033	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1035	}	1646	}
1036		1647
1037	sub find($) {	1648	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1650	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1661
1051	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1054	}	1671	}
1055	}	1672	}
1056	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1057		1687
1058	sub save($) {	1688	sub save($) {
1059	my ($pl) = @_;	1689	my ($pl) = @_;
1060		1690
1061	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1067		1697
1068	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1070		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1071	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1072	Coro::cede;	1707	cf::cede_to_tick;
1073	}	1708	}
1074		1709
1075	sub new($) {	1710	sub new($) {
1076	my ($login) = @_;	1711	my ($login) = @_;
1077		1712
…		…
1083	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1084		1719
1085	$self	1720	$self
1086	}	1721	}
1087		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1088	=item $pl->quit_character	1733	=item $pl->quit_character
1089		1734
1090	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1092		1737
…		…
1096	my ($pl) = @_;	1741	my ($pl) = @_;
1097		1742
1098	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1099		1744
1100	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1747
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1106	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1107		1756
1108	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1145	or return [];	1794	or return [];
1146		1795
1147	my @logins;	1796	my @logins;
1148		1797
1149	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1153		1808
1154	utf8::decode $login;	1809	utf8::decode $login;
1155	push @logins, $login;	1810	push @logins, $login;
1156	}	1811	}
1157		1812
1158	\@logins	1813	\@logins
1159	}	1814	}
1160		1815
1161	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1162		1819
1163	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1164	player. May block.	1821	player. May block.
1165		1822
1166	=cut	1823	=cut
…		…
1184	}	1841	}
1185		1842
1186	\@paths	1843	\@paths
1187	}	1844	}
1188		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1189	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1190		1851
1191	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1192		1853
1193	=cut	1854	=cut
1194		1855
1195	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1197		1858
1198	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1860	}
1202		1861
1203	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1204		1863
1205	Sends an ext event to the client.	1864	Sends an ext event to the client.
1206		1865
1207	=cut	1866	=cut
1208		1867
1209	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1211		1870
1212	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1213	}	1872	}
1214		1873
1215	=head3 cf::region	1874	=head3 cf::region
1216		1875
1217	=over 4	1876	=over 4
…		…
1220		1879
1221	package cf::region;	1880	package cf::region;
1222		1881
1223	=item cf::region::find_by_path $path	1882	=item cf::region::find_by_path $path
1224		1883
1225	Tries to decuce the probable region for a map knowing only its path.	1884	Tries to decuce the likely region for a map knowing only its path.
1226		1885
1227	=cut	1886	=cut
1228		1887
1229	sub find_by_path($) {	1888	sub find_by_path($) {
1230	my ($path) = @_;	1889	my ($path) = @_;
1231		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1232	my ($match, $specificity);	1893	my ($match, $specificity);
1233		1894
1234	for my $region (list) {	1895	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1238	}	1899	}
1239	}	1900	}
1240		1901
…		…
1261	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1263		1924
1264	sub generate_random_map {	1925	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1267	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1931	}
1281		1932
1282	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1283		1934
1284	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1289		1940
1290	sub register {	1941	sub register {
1291	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1943	my $pkg = caller;
1293		1944
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1946
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1948	}
1299		1949
1300	# also paths starting with '/'	1950	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1952
1303	sub thawer_merge {	1953	sub thawer_merge {
1304	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1305		1955
1306	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1307	local $self->{path};	1957	local $self->{path};
1308	local $self->{load_path};	1958	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1959
1312	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1313	}	1961	}
1314		1962
1315	sub normalise {	1963	sub normalise {
1316	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1317		1965
1318	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1319		1967
1320	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1321		1969
1322	# map plan:	1970	# map plan:
1323	#	1971	#
…		…
1338	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	1987	$path = "$base/$path";
1340	}	1988	}
1341		1989
1342	for ($path) {	1990	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1346	}	1993	}
1347		1994
1348	$path	1995	$path
…		…
1362	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1363	return $self;	2010	return $self;
1364	}	2011	}
1365	}	2012	}
1366		2013
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2015	()
1369	}	2016	}
1370		2017
		2018	# may re-bless or do other evil things
1371	sub init {	2019	sub init {
1372	my ($self) = @_;	2020	my ($self) = @_;
1373		2021
1374	$self	2022	$self
1375	}	2023	}
…		…
1394		2042
1395	# the temporary/swap location	2043	# the temporary/swap location
1396	sub save_path {	2044	sub save_path {
1397	my ($self) = @_;	2045	my ($self) = @_;
1398		2046
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1401	}	2049	}
1402		2050
1403	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1404	sub uniq_path {	2052	sub uniq_path {
1405	my ($self) = @_;	2053	my ($self) = @_;
1406		2054
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1409	}	2057	}
1410		2058
1411	# and all this just because we cannot iterate over	2059	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2060	my ($self) = @_;
1415		2061
1416	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1418	}	2065	}
1419		2066
1420	sub unlink_save {	2067	sub unlink_save {
1421	my ($self) = @_;	2068	my ($self) = @_;
1422		2069
…		…
1427		2074
1428	sub load_header_from($) {	2075	sub load_header_from($) {
1429	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1430		2077
1431	utf8::encode $path;	2078	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2080	or return;
1437		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1438	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1439		2089
1440	1	2090	1
1441	}	2091	}
1442		2092
		2093	# used to laod the header of an original map
1443	sub load_header_orig {	2094	sub load_header_orig {
1444	my ($self) = @_;	2095	my ($self) = @_;
1445		2096
1446	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1447	}	2098	}
1448		2099
		2100	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2101	sub load_header_temp {
1450	my ($self) = @_;	2102	my ($self) = @_;
1451		2103
1452	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1453	}	2105	}
1454		2106
		2107	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2108	sub prepare_temp {
1456	my ($self) = @_;	2109	my ($self) = @_;
1457		2110
1458	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1460	# safety	2113	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2116	}
1464		2117
		2118	# called after loading the header from an original map
1465	sub prepare_orig {	2119	sub prepare_orig {
1466	my ($self) = @_;	2120	my ($self) = @_;
1467		2121
1468	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2134	$self->load_header_orig
1481	or return;	2135	or return;
1482	$self->prepare_orig;	2136	$self->prepare_orig;
1483	}	2137	}
1484		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
1485	$self->default_region (cf::region::find_by_path $self->{path})	2142	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2143	unless $self->default_region;
1487		2144
1488	1	2145	1
1489	}	2146	}
1490		2147
1491	sub find;	2148	sub find;
1492	sub find {	2149	sub find {
1493	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1494		2151
		2152	cf::cede_to_tick;
		2153
1495	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1496		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2158
1499	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1502	or return;	2161	or return;
1503		2162
1504	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1505		2164
1506	$map->load_header	2165	$map->load_header
1507	or return;	2166	or return;
1508		2167
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1512	$map->reset;	2173	$map->reset;
1513	undef $guard;
1514	return find $path;	2174	return find $path;
1515	}	2175	}
1516		2176
1517	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1518	}	2178	}
1519	}	2179	}
1520		2180
1521	sub pre_load { }	2181	sub pre_load { }
1522	sub post_load { }	2182	#sub post_load { } # XS
1523		2183
1524	sub load {	2184	sub load {
1525	my ($self) = @_;	2185	my ($self) = @_;
1526		2186
1527	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1528		2188
1529	my $path = $self->{path};	2189	my $path = $self->{path};
1530		2190
1531	{	2191	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1533		2193
		2194	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2196
1538	$self->alloc;	2197	$self->alloc;
1539		2198
1540	$self->pre_load;	2199	$self->pre_load;
1541	Coro::cede;	2200	cf::cede_to_tick;
1542		2201
1543	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1544	or return;	2206	or return;
1545		2207
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1547	if delete $self->{load_original};	2209	if delete $self->{load_original};
1548		2210
1549	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2212	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2215	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1554	}	2220	}
1555	}
1556		2221
1557	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1558	# now do the right thing for maps	2231	# now do the right thing for maps
1559	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2234	unless $self->difficulty;
1562	Coro::cede;	2235	cf::cede_to_tick;
1563		2236
1564	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2238	$self->decay_objects;
1566	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1567	$self->update_buttons;	2240	$self->update_buttons;
1568	Coro::cede;	2241	cf::cede_to_tick;
1569	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2243	}
1573		2244
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1575	}	2247	}
1576		2248
1577	$self->post_load;	2249	$self->post_load;
1578	}
1579		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2257	sub customise_for {
1581	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1582		2259
1583	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2261	if $self->per_player;
1585		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1586	$self	2266	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2267	}
1612		2268
1613	sub find_sync {	2269	sub find_sync {
1614	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1615		2271
1616	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1617	}	2277	}
1618		2278
1619	sub do_load_sync {	2279	sub do_load_sync {
1620	my ($map) = @_;	2280	my ($map) = @_;
1621		2281
1622	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1623	}	2287	}
1624		2288
1625	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1627		2291
1628	sub find_async {	2292	sub find_async {
1629	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1630		2294
1631	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1632		2296
1633	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1635	}	2299	}
1636		2300
1637	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1638	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1639	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2308	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2309	$map->load if $v;
		2310	}
1644		2311
1645	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1646	}	2313	}
1647	}	2314	}
1648	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1649	};	2316	};
1650	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1651		2318
1652	()	2319	()
1653	}	2320	}
1654		2321
		2322	# common code, used by both ->save and ->swapout
1655	sub save {	2323	sub _save {
1656	my ($self) = @_;	2324	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2325
1660	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1661		2327
1662	return unless $self->dirty;	2328	return unless $self->dirty;
1663		2329
…		…
1669	return if $self->{deny_save};	2335	return if $self->{deny_save};
1670		2336
1671	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1672		2338
1673	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1675	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1676		2345
1677	if ($uniq) {	2346	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2349	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2351	}
1683	}	2352	}
1684		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1685	sub swap_out {	2362	sub swap_out {
1686	my ($self) = @_;	2363	my ($self) = @_;
1687		2364
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1693	return if $self->players;	2369	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1697	$self->clear;	2380	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2381	}
1700		2382
1701	sub reset_at {	2383	sub reset_at {
1702	my ($self) = @_;	2384	my ($self) = @_;
1703		2385
1704	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1707		2388
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2391
…		…
1721	my ($self) = @_;	2402	my ($self) = @_;
1722		2403
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2405
1725	return if $self->players;	2406	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2407
1728	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
1729		2409
1730	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1731		2411
1732	# need to save uniques path	2412	# need to save uniques path
1733	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2415
…		…
1737	if $uniq;	2417	if $uniq;
1738	}	2418	}
1739		2419
1740	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1741		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2424	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2425
1746	$self->unlink_save;	2426	$self->unlink_save;
1747	$self->destroy;	2427	$self->destroy;
1748	}	2428	}
1749		2429
1750	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1751		2431
1752	sub nuke {	2432	sub nuke {
1753	my ($self) = @_;	2433	my ($self) = @_;
1754		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1755	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1756		2439
1757	$self->unlink_save;	2440	$self->unlink_save;
1758		2441
1759	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2447
1765	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1766		2450
1767	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1768	}	2488	}
1769		2489
1770	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1771		2491
1772	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2493	instantiated unique items. May block.
1774		2494
1775	=cut	2495	=cut
1776		2496
1777	sub unique_maps() {	2497	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2498	[
1779	or return;	2499	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2500	utf8::decode $_;
1785	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2503	? ()
1788	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2506	]
1790
1791	\@paths
1792	}	2507	}
1793		2508
1794	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1795		2540
1796	=back	2541	=back
1797		2542
1798	=head3 cf::object	2543	=head3 cf::object
1799		2544
…		…
1803		2548
1804	=over 4	2549	=over 4
1805		2550
1806	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1807		2552
1808	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1809		2555
1810	=cut	2556	=cut
1811		2557
1812	sub inv_recursive_;	2558	sub inv_recursive_;
1813	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1816		2562
1817	sub inv_recursive {	2563	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1819	}	2565	}
1820		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1821	package cf;	2595	package cf;
1822		2596
1823	=back	2597	=back
1824		2598
1825	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1834		2608
1835	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1836		2624
1837	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2626	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1842		2630
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2632
1845	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1847	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1850	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1851	}	2658	}
1852		2659
1853	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1854		2661
1855	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1868		2675
1869	=item $player_object->enter_link	2676	=item $player_object->enter_link
1870		2677
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2679
1873	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1875		2684
1876	Will never block.	2685	Will never block.
1877		2686
1878	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1879		2688
…		…
1899	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2709	my ($self) = @_;
1901		2710
1902	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1903		2712
		2713	++$self->{_link_recursion};
		2714
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2716
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1908		2719
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2721	}
1911		2722
1912	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1914		2727
1915	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1916		2729
1917	unless ($map) {	2730	unless ($map) {
1918	# restore original map position	2731	# restore original map position
…		…
1929	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1930	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1931		2744
1932	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1935		2748
1936	$map->load;	2749	$map->load;
1937	$map->load_diag;
1938		2750
1939	return unless $self->contr->active;	2751	return unless $self->contr->active;
1940	$self->activate_recursive;
1941		2752
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1944	}	2755	# entering was successful
1945		2756	delete $self->{_link_recursion};
1946	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1947	on_logout => sub {	2758	$self->activate_recursive;
1948	my ($pl) = @_;
1949
1950	# abort map switching before logout
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},	2759	}
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2760
1960	# try to abort aborted map switching on player login :)	2761	}
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2762
1978	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1979		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1980	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1981		2777
1982	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2789
1985	$self->enter_link;	2790	$self->enter_link;
1986		2791
1987	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1988	my $map = eval {	2814	my $map = eval {
1989	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1991	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2830	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1996	})->prio (1);	2838	})->prio (1);
1997	}	2839	}
1998		2840
1999	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2000		2842
…		…
2020	}	2862	}
2021		2863
2022	sub prepare_random_map {	2864	sub prepare_random_map {
2023	my ($exit) = @_;	2865	my ($exit) = @_;
2024		2866
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2869	# that depends on the exit object
2030		2870
2031	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2873	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2038	}	2880	}
2039		2881
2040	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2041		2883
2042	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2045		2887
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2890	undef $fh;
2049	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2050		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2053	}	2899	}
2054	}	2900	}
2055		2901
2056	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2058		2904
2059	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2060		2906
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2907	$self->enter_link;
2073		2908
2074	(async {	2909	(async {
2075	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2076	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2077	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2078		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2079	1;	2948	1
2080	}) {	2949	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2954
2086	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2087	$self->leave_link;	2956	$self->leave_link;
2088	}	2957	}
2089	})->prio (1);	2958	})->prio (1);
2090	}	2959	}
2091		2960
…		…
2105		2974
2106	utf8::encode $text;	2975	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2977	}
2109		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2110	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2111		3167
2112	Sends an exti event to the client.	3168	Sends an ext event to the client.
2113		3169
2114	=cut	3170	=cut
2115		3171
2116	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2118		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2121	}	3195	}
2122		3196
2123	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2124		3198
2125	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		3202
2129	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	3204	become reliable at some point in the future.
2131		3205
2132	=cut	3206	=cut
2133		3207
2134	sub cf::client::query {	3208	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	3217	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		3219
2146	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2148	}	3224	}
2149		3225
2150	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2151	on_reply => sub {	3232	on_reply => sub {
2152	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2153		3234
2154	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2155	# get handled first	3236	# get handled first
…		…
2167	} else {	3248	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3250	}
2170	}	3251	}
2171	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2172	);	3276	);
2173		3277
2174	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2175		3279
2176	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2192		3296
2193	$coro	3297	$coro
2194	}	3298	}
2195		3299
2196	cf::client->attach (	3300	cf::client->attach (
2197	on_destroy => sub {	3301	on_client_destroy => sub {
2198	my ($ns) = @_;	3302	my ($ns) = @_;
2199		3303
2200	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201	},	3305	},
2202	);	3306	);
…		…
2217	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2219		3323
2220	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2221		3325
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2223		3331
2224	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2225		3333
2226	=pod	3334	=pod
2227		3335
2228	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2229		3337
2230	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2231	cf::object::player player	3343	cf::object::player
2232	cf::player peaceful	3344	player
2233	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2234		3351
2235	=cut	3352	=cut
2236		3353
2237	for (	3354	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2242	) {	3361	) {
2243	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2246	for @funs;	3364	for @funs;
2247	}	3365	}
2248		3366
…		…
2263		3381
2264	my $qcode = $code;	3382	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2267		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2268	local $_;	3389	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;
2270		3390
2271	my $eval =	3391	my $eval =
2272	"do {\n"	3392	"do {\n"
2273	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2275	. $code	3395	. $code
2276	. "\n}"	3396	. "\n}"
2277	;	3397	;
2278		3398
		3399	if ($CFG{safe_eval}) {
2279	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2280	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2282		3408
2283	if ($@) {	3409	if ($@) {
2284	warn "$@";	3410	warn "$@",
2285	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2286	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2287	}	3413	}
2288		3414
2289	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2290	}	3416	}
2291		3417
…		…
2305	=cut	3431	=cut
2306		3432
2307	sub register_script_function {	3433	sub register_script_function {
2308	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2309		3435
2310	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2311	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2312	}	3438	}
2313		3439
2314	=back	3440	=back
2315		3441
2316	=cut	3442	=cut
2317
2318	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491		3443
2492	#############################################################################	3444	#############################################################################
2493	# the server's init and main functions	3445	# the server's init and main functions
2494		3446
2495	sub load_facedata($) {	3447	sub load_facedata($) {
2496	my ($path) = @_;	3448	my ($path) = @_;
2497		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2498	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2499		3457
2500	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2501	0 < aio_load $path, $facedata
2502	or die "$path: $!";
2503
2504	$facedata = Coro::Storable::thaw $facedata;
2505		3459
2506	$facedata->{version} == 2	3460	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2509	{	3472	{
2510	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2511		3474
2512	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2518	}	3485	}
2519		3486
2520	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2522	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2523	or next;	3491	or next;
		3492
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3496	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3498	}
2529	Coro::cede;	3499
		3500	cf::cede_to_tick;
2530	}	3501	}
2531	}	3502	}
2532		3503
2533	{	3504	{
2534	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2535		3506
2536	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3509	cf::cede_to_tick;
2539	}	3510	}
2540		3511
2541	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2542	}	3513	}
2543		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = delete $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, delete $info->{data}, delete $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, (keys %$info && (~$type & 1)) ? $info : undef; # any keys left are stashed into meta unless prepended
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
2544	1	3536	1
2545	}	3537	}
2546		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2547	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2548	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
2550	}	3569	}
2551		3570
2552	sub reload_facedata {	3571	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3572	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3573	or die "unable to load facedata\n";
…		…
2562	sub reload_treasures {	3581	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2565	}	3584	}
2566		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2567	sub reload_resources {	3606	sub reload_resources {
2568	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2569		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2570	reload_regions;	3614	reload_regions;
2571	reload_facedata;
2572	reload_archetypes;
2573	reload_treasures;	3615	reload_treasures;
2574		3616
2575	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2576	}	3618	}
2577		3619
2578	sub init {	3620	sub reload_config {
2579	reload_resources;	3621	trace "reloading config file...\n";
2580	}
2581		3622
2582	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2584	or return;	3625	*CFG = decode_yaml $config;
2585		3626
2586	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;
2588
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2590		3628
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2593		3631
2594	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2598	};	3636	};
2599	warn $@ if $@;	3637	warn $@ if $@;
2600	}	3638	}
2601	}	3639	}
2602		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2603	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2604	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3682	(async {
2608	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2610	};	3686	};
2611		3687
2612	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2613	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2614	load_extensions;	3711	load_extensions;
2615		3712
2616	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2617	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2618	}	3730	}
2619		3731
2620	#############################################################################	3732	#############################################################################
2621	# initialisation and cleanup	3733	# initialisation and cleanup
2622		3734
2623	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2624	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2633	},
2634	);	3741	};
		3742	}
		3743	}
		3744
		3745	sub write_runtime_sync {
		3746	my $t0 = AE::time;
		3747
		3748	# first touch the runtime file to show we are still running:
		3749	# the fsync below can take a very very long time.
		3750
		3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3752
		3753	my $guard = cf::lock_acquire "write_runtime";
		3754
		3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3756	or return;
		3757
		3758	my $value = $cf::RUNTIME + 90 + 10;
		3759	# 10 is the runtime save interval, for a monotonic clock
		3760	# 60 allows for the watchdog to kill the server.
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	# touch it again to show we are up-to-date
		3770	aio_utime $fh, undef, undef;
		3771
		3772	close $fh
		3773	or return;
		3774
		3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3776	and return;
		3777
		3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3779
2635	}	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2636	}	3831	}
2637		3832
2638	sub emergency_save() {	3833	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2640		3835
2641	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2642		3842
2643	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2644	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3854	$pl->save;
2652	}	3855	}
2653	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2654		3857
2655	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3863	$map->valid or next;
2659	$map->save;	3864	$map->save;
2660	}	3865	}
2661	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2662		3867
2663	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2666	};	3896	};
2667		3897
2668	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2669	}	3899	}
2670		3900
2671	sub post_cleanup {	3901	sub post_cleanup {
2672	my ($make_core) = @_;	3902	my ($make_core) = @_;
2673		3903
		3904	IO::AIO::flush;
		3905
2674	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
2676	}	3936	}
2677		3937
2678	sub do_reload_perl() {	3938	sub do_reload_perl() {
2679	# can/must only be called in main	3939	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2681	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2682	return;	3942	return;
2683	}	3943	}
2684		3944
2685	warn "reloading...";	3945	return if $RELOAD++;
2686		3946
2687	warn "entering sync_job";	3947	my $t1 = AE::time;
2688		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2689	cf::sync_job {	3955	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark
2691	cf::emergency_save;	3956	#cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark
2693		3957
2694	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;
2696
2697	# if anything goes wrong in here, we should simply crash as we already saved
2698
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();	3960	%EXT_CORO = ();
2718		3961
2719	warn "removing commands";	3962	trace "perl_reload: removing commands";
2720	%COMMAND = ();	3963	%COMMAND = ();
2721		3964
2722	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2723	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2724		3968
2725	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2728		3972
2729	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2730	eval {	3974	eval {
2731	$cb->($pkg);	3975	$cb->($pkg);
2732	1	3976	1
2733	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2734	}	3982	}
2735		3983
2736	warn "... nuking $pkg";
2737	Symbol::delete_package $pkg;
2738	}
2739
2740	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2741	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3987
2744	warn "... unloading $k";	3988	trace "... unloading $k";
2745	delete $INC{$k};	3989	delete $INC{$k};
2746		3990
2747	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2749		3993
2750	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2751	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2752	}	3999	}
2753		4000
2754	Symbol::delete_package $k;
2755	}
2756
2757	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		4004
2761	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		4008
2765	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2766	# and global variables created in xs	4010	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2768		4012
2769	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2770		4014
2771	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2772	require cf;	4016	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2774		4018
2775	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2776	cf::cfg_load;	4020	cf::reload_config;
2777		4021
2778	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2779	cf::load_extensions;	4023	cf::load_extensions;
2780		4024
		4025	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2784	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
2787		4033
2788	warn "leaving sync_job";	4034	cf::_post_init 1;
2789		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
2790	1	4038	1
2791	} or do {	4039	} or do {
2792	warn $@;	4040	error $@;
2793	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
2794	exit 1;	4042	};
		4043
		4044	--$RELOAD;
2795	};	4045	}
2796		4046
2797	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
2798	};	4049	};
2799		4050
2800	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
2801		4052
2802	sub reload_perl() {	4053	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
2805		4056
2806	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	4059
2809	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	4061	do_reload_perl;
2812	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
2813	},	4063	};
2814	);	4064	};
2815	}	4065	}
2816		4066
2817	register_command "reload" => sub {	4067	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2819		4069
2820	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	4074	reload_perl;
		4075	};
2823	}	4076	}
2824	};	4077	};
2825		4078
2826	unshift @INC, $LIBDIR;	4079	#############################################################################
2827		4080
2828	my $bug_warning = 0;	4081	my $bug_warning = 0;
2829		4082
2830	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;
2832
2833	sub wait_for_tick {	4083	sub wait_for_tick() {
2834	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2835	return if $Coro::current == $Coro::main;
2836		4085
2837	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
2838	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;
2840	}	4087	}
2841		4088
2842	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
2843	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2844	return if $Coro::current == $Coro::main;
2845		4091
2846	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	4094	$signal->wait;
2849	}	4095	}
2850		4096
2851	$TICK_WATCHER = Event->timer (	4097	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2861	return;	4101	return;
2862	}	4102	}
2863		4103
2864	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
2865		4105
2866	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867		4107
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	4110	Coro::async_pool {
		4111	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	4112	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
2876	};
2877	}	4114	};
		4115	}
2878		4116
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	4118	$sig->send;
2884	}	4119	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
2886	$sig->send;
2887	}
2888		4121
2889	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		4124
2900	_post_tick;	4125	if (0) {
2901		4126	if ($NEXT_TICK) {
2902		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
2903	},	4131	}
2904	);	4132	}
2905		4133
2906	{	4134	{
2907	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	4136
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2917		4138	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		4140
2933	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		4148
2936	cf::sync_job {	4149	cf::sync_job {
2937	eval {	4150	eval {
2938	BDB::db_env_open	4151	BDB::db_env_open
2939	$DB_ENV,	4152	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	4156	0666;
2944		4157
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	4159	};
2950		4160
2951	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	4162	};
2953	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2954	}	4174	}
2955		4175
2956	{	4176	{
		4177	# configure IO::AIO
		4178
2957	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	4182	}
2970		4183
2971	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
2972		4186
2973	sub _log_backtrace {	4187	sub _log_backtrace {
2974	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
2975		4189
2976	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
2977		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2978	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
2980	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
2981	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
2982	my @bt = fork_call {	4203	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
2994	}	4215	}
2995		4216
2996	@funcs	4217	@funcs
2997	};	4218	};
2998		4219
2999	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	4223	--$_log_backtrace;
3002	};	4224	};
3003	} else {	4225	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3006	}	4228	}
3007	}	4229	}
3008		4230
3009	# load additional modules	4231	# load additional modules
3010	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3011		4234
3012	END { cf::emergency_save }	4235	END { cf::emergency_save }
3013		4236
3014	1	4237	1
3015		4238

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