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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.576 by root, Tue Jan 3 02:08:49 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		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	IO::AIO::aio_utime $runtime, undef, undef;	690	=cut
401		691
402	my $guard = cf::lock_acquire "write_runtime";	692	sub post_fork {
		693	reset_signals;
		694	}
403		695
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	696	sub fork_call(&@) {
405	or return;	697	my ($cb, @args) = @_;
406		698
407	my $value = $cf::RUNTIME + 90 + 10;	699	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	700	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	701	# TODO: investigate and fix (likely this will be rather laborious)
410		702
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	703	my @res = Coro::Util::fork_eval {
412	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
413		707
414	# always fsync - this file is important	708	wantarray ? @res : $res[-1]
415	aio_fsync $fh	709	}
416	and return;
417		710
418	# touch it again to show we are up-to-date	711	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
430	}	875	}
431		876
432	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
433		878
434	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.
435		880
436	=cut	881	=cut
437		882
438	sub datalog($@) {	883	sub datalog($@) {
439	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	886	}
442		887
443	=back	888	=back
444		889
445	=cut	890	=cut
446		891
447	#############################################################################	892	#############################################################################
448		893
449	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
450		895
451	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
452	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")
453	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
454		899
455	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>
456	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
457	crossfire+).	902	Deliantra).
458		903
459	=over 4	904	=over 4
460		905
461	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
462		907
…		…
506	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
507		952
508	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
509	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
510		955
511	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		958
514	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
515		960
516	=over 4	961	=over 4
…		…
640		1085
641	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1088
644	} elsif (ref $type) {	1089	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
646		1091
647	} else {	1092	} else {
648	shift @arg;	1093	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
650	}	1095	}
651	}	1096	}
652	}	1097	}
653		1098
654	sub _object_attach {	1099	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
665	}	1110	}
666		1111
667	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
668	} else {	1113	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1115	}
671		1116
672	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
673	}	1118	}
674		1119
…		…
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 && $self->map->{path} ne "{link}";	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) = @_;
1914		2725
…		…
1931	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1933		2744
1934	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1937		2748
1938	$map->load;	2749	$map->load;
1939	$map->load_diag;
1940		2750
1941	return unless $self->contr->active;	2751	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2752
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1946	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
1947		2760
		2761	}
		2762
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2764
1950	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	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 >>.
1954		2773
1955	=cut	2774	=cut
1956		2775
1957	our $GOTOGEN;	2776	our $GOTOGEN;
1958		2777
1959	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	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	}
1961		2786
1962	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2789
1965	$self->enter_link;	2790	$self->enter_link;
1966		2791
1967	(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
1968	my $map = eval {	2814	my $map = eval {
1969	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2816
1971	if ($map) {	2817	if ($map) {
1972	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2820	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2822	}
1977		2823
1978	$map	2824	$map
1979	};	2825	};
1980		2826
…		…
1985		2831
1986	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
1989	}	2835	}
		2836
		2837	$done->($self) if $done;
1990	})->prio (1);	2838	})->prio (1);
1991	}	2839	}
1992		2840
1993	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1994		2842
…		…
2014	}	2862	}
2015		2863
2016	sub prepare_random_map {	2864	sub prepare_random_map {
2017	my ($exit) = @_;	2865	my ($exit) = @_;
2018		2866
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2869	# that depends on the exit object
2024		2870
2025	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2873	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2032	}	2880	}
2033		2881
2034	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2035		2883
2036	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2039		2887
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2890	undef $fh;
2043	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2044		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2047	}	2899	}
2048	}	2900	}
2049		2901
2050	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2052		2904
2053	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2054		2906
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2907	$self->enter_link;
2067		2908
2068	(async {	2909	(async {
2069	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2070	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
2071	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2072		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
2073	1;	2948	1
2074	}) {	2949	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2954
2080	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2956	$self->leave_link;
2082	}	2957	}
2083	})->prio (1);	2958	})->prio (1);
2084	}	2959	}
2085		2960
…		…
2099		2974
2100	utf8::encode $text;	2975	utf8::encode $text;
2101	$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);
2102	}	2977	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2105		3167
2106	Sends an exti event to the client.	3168	Sends an ext event to the client.
2107		3169
2108	=cut	3170	=cut
2109		3171
2110	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2112		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		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]));
2115	}	3195	}
2116		3196
2117	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2118		3198
2119	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3202
2123	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
2124	reliable at some point in the future.	3204	become reliable at some point in the future.
2125		3205
2126	=cut	3206	=cut
2127		3207
2128	sub cf::client::query {	3208	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3217	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3219
2140	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2142	}	3224	}
2143		3225
2144	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2145	on_reply => sub {	3232	on_reply => sub {
2146	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2147		3234
2148	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2149	# get handled first	3236	# get handled first
…		…
2161	} else {	3248	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3250	}
2164	}	3251	}
2165	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($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	},
2166	);	3276	);
2167		3277
2168	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2169		3279
2170	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3296
2187	$coro	3297	$coro
2188	}	3298	}
2189		3299
2190	cf::client->attach (	3300	cf::client->attach (
2191	on_destroy => sub {	3301	on_client_destroy => sub {
2192	my ($ns) = @_;	3302	my ($ns) = @_;
2193		3303
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3305	},
2196	);	3306	);
…		…
2211	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2213		3323
2214	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2215		3325
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2217		3331
2218	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2219		3333
2220	=pod	3334	=pod
2221		3335
2222	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2223		3337
2224	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2225	cf::object::player player	3343	cf::object::player
2226	cf::player peaceful	3344	player
2227	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2228		3351
2229	=cut	3352	=cut
2230		3353
2231	for (	3354	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2236	) {	3361	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3364	for @funs;
2241	}	3365	}
2242		3366
…		…
2257		3381
2258	my $qcode = $code;	3382	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2261		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2262	local $_;	3389	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3390
2265	my $eval =	3391	my $eval =
2266	"do {\n"	3392	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3395	. $code
2270	. "\n}"	3396	. "\n}"
2271	;	3397	;
2272		3398
		3399	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2276		3408
2277	if ($@) {	3409	if ($@) {
2278	warn "$@";	3410	warn "$@",
2279	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2281	}	3413	}
2282		3414
2283	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2284	}	3416	}
2285		3417
…		…
2299	=cut	3431	=cut
2300		3432
2301	sub register_script_function {	3433	sub register_script_function {
2302	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2303		3435
2304	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2306	}	3438	}
2307		3439
2308	=back	3440	=back
2309		3441
2310	=cut	3442	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3443
2484	#############################################################################	3444	#############################################################################
2485	# the server's init and main functions	3445	# the server's init and main functions
2486		3446
2487	sub load_facedata($) {	3447	sub load_facedata($) {
2488	my ($path) = @_;	3448	my ($path) = @_;
2489		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
2490	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2491		3457
2492	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3459
2498	$facedata->{version} == 2	3460	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		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
2501	{	3472	{
2502	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2503		3474
2504	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2510	}	3485	}
2511		3486
2512	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2514	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2515	or next;	3491	or next;
		3492
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3496	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3498	}
2521	Coro::cede;	3499
		3500	cf::cede_to_tick;
2522	}	3501	}
2523	}	3502	}
2524		3503
2525	{	3504	{
2526	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2527		3506
2528	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3509	cf::cede_to_tick;
2531	}	3510	}
2532		3511
2533	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2534	}	3513	}
2535		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
		3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3521
		3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3523	cf::face::set_type $idx, $info->{type};
		3524	} else {
		3525	$RESOURCE{$name} = $info; # unused
		3526	}
		3527
		3528	cf::cede_to_tick;
		3529	}
		3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3533
2536	1	3534	1
2537	}	3535	}
2538		3536
		3537	register_exticmd fx_want => sub {
		3538	my ($ns, $want) = @_;
		3539
		3540	while (my ($k, $v) = each %$want) {
		3541	$ns->fx_want ($k, $v);
		3542	}
		3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
		3554
2539	sub reload_regions {	3555	sub reload_regions {
		3556	# HACK to clear player env face cache, we need some signal framework
		3557	# for this (global event?)
		3558	%ext::player_env::MUSIC_FACE_CACHE = ();
		3559
2540	load_resource_file "$MAPDIR/regions"	3560	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3561	or die "unable to load regions file\n";
		3562
		3563	for (cf::region::list) {
		3564	$_->{match} = qr/$_->{match}/
		3565	if exists $_->{match};
		3566	}
2542	}	3567	}
2543		3568
2544	sub reload_facedata {	3569	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3570	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3571	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3579	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
2557	}	3582	}
2558		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
2559	sub reload_resources {	3604	sub reload_resources {
2560	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
2561		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
2562	reload_regions;	3612	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3613	reload_treasures;
2566		3614
2567	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
2568	}	3616	}
2569		3617
2570	sub init {	3618	sub reload_config {
2571	reload_resources;	3619	trace "reloading config file...\n";
2572	}
2573		3620
2574	sub cfg_load {	3621	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3622	utf8::decode $config;
2576	or return;	3623	*CFG = decode_yaml $config;
2577		3624
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3626
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3629
2586	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
2590	};	3634	};
2591	warn $@ if $@;	3635	warn $@ if $@;
2592	}	3636	}
2593	}	3637	}
2594		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
2595	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
2596	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3680	(async {
2600	Event::one_event;	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3682	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
2602	};	3684	};
2603		3685
2604	cfg_load;	3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
		3698	reload_config;
2605	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
2606	load_extensions;	3709	load_extensions;
2607		3710
2608	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
2610	}	3728	}
2611		3729
2612	#############################################################################	3730	#############################################################################
2613	# initialisation and cleanup	3731	# initialisation and cleanup
2614		3732
2615	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
2616	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
2625	},
2626	);	3739	};
		3740	}
		3741	}
		3742
		3743	sub write_runtime_sync {
		3744	my $t0 = AE::time;
		3745
		3746	# first touch the runtime file to show we are still running:
		3747	# the fsync below can take a very very long time.
		3748
		3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3750
		3751	my $guard = cf::lock_acquire "write_runtime";
		3752
		3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3754	or return;
		3755
		3756	my $value = $cf::RUNTIME + 90 + 10;
		3757	# 10 is the runtime save interval, for a monotonic clock
		3758	# 60 allows for the watchdog to kill the server.
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	# touch it again to show we are up-to-date
		3768	aio_utime $fh, undef, undef;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3774	and return;
		3775
		3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3777
2627	}	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
2628	}	3829	}
2629		3830
2630	sub emergency_save() {	3831	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
2632		3833
2633	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
2634		3840
2635	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
2636	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3852	$pl->save;
2644	}	3853	}
2645	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
2646		3855
2647	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3861	$map->valid or next;
2651	$map->save;	3862	$map->save;
2652	}	3863	}
2653	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
2654		3865
2655	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3894	};
2659		3895
2660	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
2661	}	3897	}
2662		3898
2663	sub post_cleanup {	3899	sub post_cleanup {
2664	my ($make_core) = @_;	3900	my ($make_core) = @_;
2665		3901
		3902	IO::AIO::flush;
		3903
2666	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
2668	}	3934	}
2669		3935
2670	sub do_reload_perl() {	3936	sub do_reload_perl() {
2671	# can/must only be called in main	3937	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
2673	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
2674	return;	3940	return;
2675	}	3941	}
2676		3942
2677	warn "reloading...";	3943	return if $RELOAD++;
2678		3944
2679	warn "entering sync_job";	3945	my $t1 = AE::time;
2680		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
2681	cf::sync_job {	3953	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3954	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3955
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3958	%EXT_CORO = ();
2710		3959
2711	warn "removing commands";	3960	trace "perl_reload: removing commands";
2712	%COMMAND = ();	3961	%COMMAND = ();
2713		3962
2714	warn "removing ext commands";	3963	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	3964	%EXTCMD = ();
		3965	%EXTICMD = ();
2716		3966
2717	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
2720		3970
2721	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3972	eval {
2723	$cb->($pkg);	3973	$cb->($pkg);
2724	1	3974	1
2725	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
2726	}	3980	}
2727		3981
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3985
2736	warn "... unloading $k";	3986	trace "... unloading $k";
2737	delete $INC{$k};	3987	delete $INC{$k};
2738		3988
2739	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
2741		3991
2742	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
2744	}	3997	}
2745		3998
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		4002
2753	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4006
2757	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4008	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
2760		4010
2761	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
2762		4012
2763	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
2764	require cf;	4014	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
2766		4016
2767	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4018	cf::reload_config;
2769		4019
2770	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4021	cf::load_extensions;
2772		4022
		4023	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
2779		4031
2780	warn "leaving sync_job";	4032	cf::_post_init 1;
2781		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
2782	1	4036	1
2783	} or do {	4037	} or do {
2784	warn $@;	4038	error $@;
2785	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4040	};
		4041
		4042	--$RELOAD;
2787	};	4043	}
2788		4044
2789	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
2790	};	4047	};
2791		4048
2792	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
2793		4050
2794	sub reload_perl() {	4051	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
2797		4054
2798	$RELOAD_WATCHER ||= Event->timer (	4055	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4056	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4057
2801	data => WF_AUTOCANCEL,	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4059	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
2805	},	4061	};
2806	);	4062	};
2807	}	4063	}
2808		4064
2809	register_command "reload" => sub {	4065	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
2811		4067
2812	if ($who->flag (FLAG_WIZ)) {	4068	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4069	$who->message ("reloading server.");
		4070	async {
		4071	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4072	reload_perl;
		4073	};
2815	}	4074	}
2816	};	4075	};
2817		4076
2818	unshift @INC, $LIBDIR;	4077	#############################################################################
2819		4078
2820	my $bug_warning = 0;	4079	my $bug_warning = 0;
2821		4080
2822	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;
2824
2825	sub wait_for_tick {	4081	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2827	return if $Coro::current == $Coro::main;
2828		4083
2829	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
2830	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;
2832	}	4085	}
2833		4086
2834	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2836	return if $Coro::current == $Coro::main;
2837		4089
2838	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4092	$signal->wait;
2841	}	4093	}
2842		4094
2843	my $min = 1e6;#d#	4095	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2855	return;	4099	return;
2856	}	4100	}
2857		4101
2858	$NOW = $tick_start = Event::time;	4102	cf::one_tick; # one server iteration
2859		4103
2860	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2861		4105
2862	0 && sync_job {#d#	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	4108	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4109	$Coro::current->{desc} = "runtime saver";
2866	or die;	4110	write_runtime_sync
2867		4111	or error "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4112	};
		4113	}
2884		4114
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4116	$sig->send;
2901	}	4117	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
2903	$sig->send;
2904	}
2905		4119
2906	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4122
2917	_post_tick;	4123	if (0) {
2918		4124	if ($NEXT_TICK) {
2919		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
2920	},	4129	}
2921	);	4130	}
2922		4131
2923	{	4132	{
2924	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4134
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
2934		4136	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4137	#$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4138
2950	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4146
2953	cf::sync_job {	4147	cf::sync_job {
2954	eval {	4148	eval {
2955	BDB::db_env_open	4149	BDB::db_env_open
2956	$DB_ENV,	4150	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4154	0666;
2961		4155
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4157	};
2967		4158
2968	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4160	};
2970	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
2971	}	4172	}
2972		4173
2973	{	4174	{
		4175	# configure IO::AIO
		4176
2974	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4180	}
2987		4181
2988	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
2989		4184
2990	sub _log_backtrace {	4185	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
2992		4187
2993	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
2994		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
2998	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
2999	my @bt = fork_call {	4201	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3011	}	4213	}
3012		4214
3013	@funcs	4215	@funcs
3014	};	4216	};
3015		4217
3016	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4221	--$_log_backtrace;
3019	};	4222	};
3020	} else {	4223	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4226	}
3024	}	4227	}
3025		4228
3026	# load additional modules	4229	# load additional modules
3027	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3028		4232
3029	END { cf::emergency_save }	4233	END { cf::emergency_save }
3030		4234
3031	1	4235	1
3032		4236

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