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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		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';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
211		347
212	#############################################################################	348	#############################################################################
213		349
214	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
215		351
…		…
236	$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;
237	$d	373	$d
238	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
239	}	375	}
240		376
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
242		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
243	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
244		392
245	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
246		394
247	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
248		396
249	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
250		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
251	=item cf::lock_wait $string	468	=item cf::lock_wait $string
252		469
253	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
254		471
255	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
256		473
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
260	returned.	477	returned.
261		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
262	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
263	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
264		484
265	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
266		486
267	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.
268		488
269	=cut	489	=cut
270		490
271	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
272		492
273	sub lock_wait($) {	493	sub lock_wait($) {
274	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	495	}
282		496
283	sub lock_acquire($) {	497	sub lock_acquire($) {
284	my ($key) = @_;	498	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	499	}
296		500
297	sub lock_active($) {	501	sub lock_active($) {
298	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	503	}
302		504
303	sub freeze_mainloop {	505	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
305		507
306	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
307	$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	}
308	};	578	}
309	$TICK_WATCHER->stop;	579	};
310	$guard	580
		581	sub get_slot($;$$) {
		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;
311	}	594	}
312		595
313	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
314		597
315	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		603
321	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
322		605
323	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
324		607
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	611	acceptable.
329		612
330	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
331	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
…		…
335	=cut	618	=cut
336		619
337	sub sync_job(&) {	620	sub sync_job(&) {
338	my ($job) = @_;	621	my ($job) = @_;
339		622
340	if ($Coro::current == $Coro::main) {	623	if (in_main) {
341	my $time = Event::time;	624	my $time = AE::time;
342		625
343	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
345		628
346	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	630
348	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
349		632
350	my $busy = 1;	633	my $busy = 1;
351	my @res;	634	my @res;
352		635
353	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	638	@res = eval { $job->() };
355	warn $@ if $@;	639	error $@ if $@;
356	undef $busy;	640	undef $busy;
357	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
358		642
359	while ($busy) {	643	while ($busy) {
360	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
361	}	648	}
		649	}
362		650
363	$time = Event::time - $time;	651	my $time = AE::time - $time;
364		652
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
369		654
370	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
371	} else {	656	} else {
372	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
373		658
…		…
393	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
394		679
395	$coro	680	$coro
396	}	681	}
397		682
398	=item fork_call { }, $args	683	=item fork_call { }, @args
399		684
400	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
404		689
405	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
406		695
407	sub fork_call(&@) {	696	sub fork_call(&@) {
408	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
409		698
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		702
415	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
416	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
417		707
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	709	}
420		710
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	747	}
441		748
442	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
443		750
444	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
447		754
448	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
451	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
452		784
453	our $DB;	785	our $DB;
454		786
455	sub db_init {	787	sub db_init {
456	unless ($DB) {	788	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	789	}
471		790
472	sub db_get($$) {	791	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
474		793
475	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
476	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
477		798
478	$! ? ()	799	$! ? ()
479	: $data	800	: $data
480	}
481	}	801	}
482		802
483	sub db_put($$$) {	803	sub db_put($$$) {
484	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		833
514	my @data;	834	my @data;
515	my $md5;	835	my $md5;
516		836
517	for (0 .. $#$src) {	837	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	839	}
521		840
522	# if processing is expensive, check	841	# if processing is expensive, check
523	# checksum first	842	# checksum first
524	if (1) {	843	if (1) {
525	$md5 =	844	$md5 =
526	join "\x00",	845	join "\x00",
527	$processversion,	846	$processversion,
528	map {	847	map {
529	Coro::cede;	848	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	850	} 0.. $#$src;
532		851
533		852
534	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		860
542	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	862	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
545		864
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		866
548	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
551		870
…		…
561		880
562	=cut	881	=cut
563		882
564	sub datalog($@) {	883	sub datalog($@) {
565	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	886	}
568		887
569	=back	888	=back
570		889
571	=cut	890	=cut
572		891
573	#############################################################################	892	#############################################################################
574		893
575	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
576		895
577	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
578	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")
579	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
580		899
581	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>
582	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
583	Crossfire TRT).	902	Deliantra).
584		903
585	=over 4	904	=over 4
586		905
587	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
588		907
…		…
632	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
633		952
634	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
636		955
637	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		958
640	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
641		960
642	=over 4	961	=over 4
…		…
766		1085
767	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1088
770	} elsif (ref $type) {	1089	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
772		1091
773	} else {	1092	} else {
774	shift @arg;	1093	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
776	}	1095	}
777	}	1096	}
778	}	1097	}
779		1098
780	sub _object_attach {	1099	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
791	}	1110	}
792		1111
793	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
794	} else {	1113	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1115	}
797		1116
798	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
799	}	1118	}
800		1119
…		…
840	";	1159	";
841	die if $@;	1160	die if $@;
842	}	1161	}
843		1162
844	our $override;	1163	our $override;
845	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?
846		1165
847	sub override {	1166	sub override {
848	$override = 1;	1167	$override = 1;
849	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
850	}	1169	}
851		1170
852	sub do_invoke {	1171	sub do_invoke {
853	my $event = shift;	1172	my $event = shift;
854	my $callbacks = shift;	1173	my $callbacks = shift;
855		1174
856	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
857		1176
858	local $override;	1177	local $override;
859		1178
860	for (@$callbacks) {	1179	for (@$callbacks) {
861	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
862		1181
863	if ($@) {	1182	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1184	override;
867	}	1185	}
868		1186
869	return 1 if $override;	1187	return 1 if $override;
870	}	1188	}
871		1189
872	0	1190	0
873	}	1191	}
874		1192
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1194
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1196
879	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
880		1198
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1202
885	=back	1203	=back
886		1204
887	=cut	1205	=cut
888		1206
889	#############################################################################	1207	#############################################################################
890	# 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, $ob2
		1250	}
891		1251
892	sub reattach {	1252	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1254	my ($obj) = @_;
895		1255
		1256	# no longer needed after getting rid of delete_package?
896	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
897		1258
898	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
899		1260
900	@$registry = ();	1261	@$registry = ();
901		1262
…		…
906	for (@$attach) {	1267	for (@$attach) {
907	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
909	}	1270	}
910	} else {	1271	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1273	}
913	}	1274	}
914	}	1275	}
915		1276
916	cf::attachable->attach (	1277	cf::attachable->attach (
917	prio => -1000000,	1278	prio => -1000000,
918	on_instantiate => sub {	1279	on_instantiate => sub {
919	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
920		1281
921	$data = from_json $data;	1282	$data = decode_json $data;
922		1283
923	for (@$data) {	1284	for (@$data) {
924	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
925		1286
926	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1303	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
944		1305
945	sync_job {	1306	sync_job {
946	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
949		1312
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1320	aio_close $fh;
955		1321
956	if (@$objs) {	1322	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1331	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
964	}	1333	}
965	} else {	1334	} else {
966	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
967	}	1336	}
968		1337
969	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1342	} else {
971	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
972	}	1344	}
973	} else {	1345	} else {
974	aio_unlink $filename;	1346	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
976	}	1348	}
977	}	1349	};
978	}	1350	}
979		1351
980	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
982		1354
…		…
994	or return;	1366	or return;
995		1367
996	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
998	or return;	1370	or return;
		1371
999	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1000	}	1374	}
1001		1375
		1376	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1004	return ($data, $av);	1381	($data, $av)
1005	}	1382	}
1006		1383
1007	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1008		1385
1009	=over 4	1386	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1407	}
1031		1408
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1410
1034	Register a callback fro 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.
1035		1416
1036	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
1037	called.	1418	called.
1038		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
1039	=cut	1431	=cut
1040		1432
1041	sub register_extcmd {	1433	sub register_extcmd {
1042	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
1043		1435
1044	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
1045	}	1437	}
1046		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
1047	cf::player->attach (	1447	cf::player->attach (
1048	on_command => sub {	1448	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1050		1450
1051	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1052	or return;	1452	or return;
1053		1453
…		…
1058	cf::override;	1458	cf::override;
1059	},	1459	},
1060	on_extcmd => sub {	1460	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1062		1462
1063	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1464
1065	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1071	} else {	1480	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1482	}
1074		1483
1075	cf::override;	1484	cf::override;
1076	},	1485	},
1077	);	1486	);
1078		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1079	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1080	cf::sync_job {	1504	cf::sync_job {
1081	my %todo;	1505	my %todo;
1082		1506
1083	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1508	next unless -r $path;
…		…
1102		1526
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1529
1106	$ext{source} =	1530	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1109	. $source	1533	. $source
1110	. "\n};\n1";	1534	. "\n};\n1";
1111		1535
1112	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1113	}	1537	}
1114		1538
		1539	my $pass = 0;
1115	my %done;	1540	my %done;
1116	while (%todo) {	1541	while (%todo) {
1117	my $progress;	1542	my $progress;
1118		1543
		1544	++$pass;
		1545
		1546	ext:
1119	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1549	next ext
1122	unless exists $done{$_};	1550	unless exists $done{$_};
1123	}	1551	}
1124		1552
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1554
1127	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1132	warn $msg;	1562
1133	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1564	delete $todo{$k};
1135	}	1565	} else {
1136		1566	$done{$k} = delete $todo{$k};
1137	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1138	}	1572	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1573	}
1144		1574
1145	skip:	1575	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1148	}	1585	}
1149	};	1586	};
1150	}	1587	}
1151		1588
1152	#############################################################################	1589	#############################################################################
1153		1590
1154	=back	1591	=back
1155		1592
1156	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1157		1594
1158	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1159		1596
1160	=cut	1597	=cut
1161		1598
1162	package cf::player;	1599	package cf::player;
1163		1600
1164	use Coro::AIO;	1601	use Coro::AIO;
1165		1602
1166	=head3 cf::player	1603	=head3 cf::player
1167		1604
1168	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1169		1620
1170	=item cf::player::find $login	1621	=item cf::player::find $login
1171		1622
1172	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1173		1624
…		…
1192		1643
1193	sub exists($) {	1644	sub exists($) {
1194	my ($login) = @_;	1645	my ($login) = @_;
1195		1646
1196	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1198	}	1649	}
1199		1650
1200	sub find($) {	1651	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1653	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1664
1214	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1217	}	1674	}
1218	}	1675	}
1219	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1220		1690
1221	sub save($) {	1691	sub save($) {
1222	my ($pl) = @_;	1692	my ($pl) = @_;
1223		1693
1224	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1230		1700
1231	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1233		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1234	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1235	Coro::cede;	1710	cf::cede_to_tick;
1236	}	1711	}
1237		1712
1238	sub new($) {	1713	sub new($) {
1239	my ($login) = @_;	1714	my ($login) = @_;
1240		1715
…		…
1246	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1247		1722
1248	$self	1723	$self
1249	}	1724	}
1250		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1251	=item $pl->quit_character	1736	=item $pl->quit_character
1252		1737
1253	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1255		1740
…		…
1259	my ($pl) = @_;	1744	my ($pl) = @_;
1260		1745
1261	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1262		1747
1263	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1750
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1269	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1270		1759
1271	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1308	or return [];	1797	or return [];
1309		1798
1310	my @logins;	1799	my @logins;
1311		1800
1312	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1316		1811
1317	utf8::decode $login;	1812	utf8::decode $login;
1318	push @logins, $login;	1813	push @logins, $login;
1319	}	1814	}
1320		1815
1321	\@logins	1816	\@logins
1322	}	1817	}
1323		1818
1324	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1325		1822
1326	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1327	player. May block.	1824	player. May block.
1328		1825
1329	=cut	1826	=cut
…		…
1347	}	1844	}
1348		1845
1349	\@paths	1846	\@paths
1350	}	1847	}
1351		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1352	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1353		1854
1354	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1355		1856
1356	=cut	1857	=cut
1357		1858
1358	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1360		1861
1361	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1863	}
1365		1864
1366	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1367		1866
1368	Sends an ext event to the client.	1867	Sends an ext event to the client.
1369		1868
1370	=cut	1869	=cut
1371		1870
1372	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1374		1873
1375	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1376	}	1875	}
1377		1876
1378	=head3 cf::region	1877	=head3 cf::region
1379		1878
1380	=over 4	1879	=over 4
…		…
1390	=cut	1889	=cut
1391		1890
1392	sub find_by_path($) {	1891	sub find_by_path($) {
1393	my ($path) = @_;	1892	my ($path) = @_;
1394		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1395	my ($match, $specificity);	1896	my ($match, $specificity);
1396		1897
1397	for my $region (list) {	1898	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1401	}	1902	}
1402	}	1903	}
1403		1904
…		…
1424	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1426		1927
1427	sub generate_random_map {	1928	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1430	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1934	}
1444		1935
1445	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1446		1937
1447	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1452		1943
1453	sub register {	1944	sub register {
1454	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1946	my $pkg = caller;
1456		1947
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1949
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1951	}
1462		1952
1463	# also paths starting with '/'	1953	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1955
1466	sub thawer_merge {	1956	sub thawer_merge {
1467	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1468		1958
1469	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1474	}	1964	}
1475		1965
1476	sub normalise {	1966	sub normalise {
1477	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1478		1968
1479	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1480		1970
1481	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1482		1972
1483	# map plan:	1973	# map plan:
1484	#	1974	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1990	$path = "$base/$path";
1501	}	1991	}
1502		1992
1503	for ($path) {	1993	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1507	}	1996	}
1508		1997
1509	$path	1998	$path
…		…
1523	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1524	return $self;	2013	return $self;
1525	}	2014	}
1526	}	2015	}
1527		2016
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2018	()
1530	}	2019	}
1531		2020
		2021	# may re-bless or do other evil things
1532	sub init {	2022	sub init {
1533	my ($self) = @_;	2023	my ($self) = @_;
1534		2024
1535	$self	2025	$self
1536	}	2026	}
…		…
1555		2045
1556	# the temporary/swap location	2046	# the temporary/swap location
1557	sub save_path {	2047	sub save_path {
1558	my ($self) = @_;	2048	my ($self) = @_;
1559		2049
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1562	}	2052	}
1563		2053
1564	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1565	sub uniq_path {	2055	sub uniq_path {
1566	my ($self) = @_;	2056	my ($self) = @_;
1567		2057
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2060	}
1580		2061
1581	sub decay_objects {	2062	sub decay_objects {
1582	my ($self) = @_;	2063	my ($self) = @_;
1583		2064
…		…
1596		2077
1597	sub load_header_from($) {	2078	sub load_header_from($) {
1598	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1599		2080
1600	utf8::encode $path;	2081	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2083	or return;
1606		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1607	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1608		2092
1609	1	2093	1
1610	}	2094	}
1611		2095
		2096	# used to laod the header of an original map
1612	sub load_header_orig {	2097	sub load_header_orig {
1613	my ($self) = @_;	2098	my ($self) = @_;
1614		2099
1615	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1616	}	2101	}
1617		2102
		2103	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2104	sub load_header_temp {
1619	my ($self) = @_;	2105	my ($self) = @_;
1620		2106
1621	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1622	}	2108	}
1623		2109
		2110	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2111	sub prepare_temp {
1625	my ($self) = @_;	2112	my ($self) = @_;
1626		2113
1627	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1629	# safety	2116	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2119	}
1633		2120
		2121	# called after loading the header from an original map
1634	sub prepare_orig {	2122	sub prepare_orig {
1635	my ($self) = @_;	2123	my ($self) = @_;
1636		2124
1637	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2150
1663	sub find;	2151	sub find;
1664	sub find {	2152	sub find {
1665	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1666		2154
		2155	cf::cede_to_tick;
		2156
1667	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1668		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2161
1671	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1674	or return;	2164	or return;
1675		2165
1676	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1677		2167
…		…
1679	or return;	2169	or return;
1680		2170
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1684	$map->reset;	2176	$map->reset;
1685	undef $guard;
1686	return find $path;	2177	return find $path;
1687	}	2178	}
1688		2179
1689	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1690	}	2181	}
1691	}	2182	}
1692		2183
1693	sub pre_load { }	2184	sub pre_load { }
1694	sub post_load { }	2185	#sub post_load { } # XS
1695		2186
1696	sub load {	2187	sub load {
1697	my ($self) = @_;	2188	my ($self) = @_;
1698		2189
1699	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1700		2191
1701	my $path = $self->{path};	2192	my $path = $self->{path};
1702		2193
1703	{	2194	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1705		2196
		2197	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2199
1710	$self->alloc;	2200	$self->alloc;
1711		2201
1712	$self->pre_load;	2202	$self->pre_load;
1713	Coro::cede;	2203	cf::cede_to_tick;
1714		2204
1715	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1716	or return;	2209	or return;
1717		2210
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1719	if delete $self->{load_original};	2212	if delete $self->{load_original};
1720		2213
1721	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2215	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2218	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1726	}	2223	}
1727	}
1728		2224
1729	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1730	# now do the right thing for maps	2234	# now do the right thing for maps
1731	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2237	unless $self->difficulty;
1734	Coro::cede;	2238	cf::cede_to_tick;
1735		2239
1736	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2241	$self->decay_objects;
1738	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1739	$self->update_buttons;	2243	$self->update_buttons;
1740	Coro::cede;	2244	cf::cede_to_tick;
1741	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2246	}
1745		2247
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1747	}	2250	}
1748		2251
1749	$self->post_load;	2252	$self->post_load;
1750	}
1751		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2260	sub customise_for {
1753	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1754		2262
1755	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2264	if $self->per_player;
…		…
1760		2268
1761	$self	2269	$self
1762	}	2270	}
1763		2271
1764	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2273	sub load_neighbours {
1766	my ($map) = @_;	2274	my ($map) = @_;
1767		2275
1768	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1769		2277
1770	for (0 .. 3) {	2278	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1772	or next;	2280	or next;
1773	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1774	or next;	2282	or next;
1775	$neigh->load;	2283	$neigh->load;
1776		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2289	}
1780		2290
1781	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1783	or next;	2294	or next;
1784	$neigh->load;	2295	$neigh->load;
1785	}	2296	}
1786	}	2297	}
1787		2298
1788	sub find_sync {	2299	sub find_sync {
1789	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1790		2301
1791	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1792	}	2307	}
1793		2308
1794	sub do_load_sync {	2309	sub do_load_sync {
1795	my ($map) = @_;	2310	my ($map) = @_;
1796		2311
1797	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1798	}	2317	}
1799		2318
1800	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1802		2321
1803	sub find_async {	2322	sub find_async {
1804	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1805		2324
1806	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1807		2326
1808	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1810	}	2329	}
1811		2330
1812	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1813	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1814	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2338	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2339	$map->load if $v;
		2340	}
1819		2341
1820	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1821	}	2343	}
1822	}	2344	}
1823	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1824	};	2346	};
1825	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1826		2348
1827	()	2349	()
1828	}	2350	}
1829		2351
		2352	# common code, used by both ->save and ->swapout
1830	sub save {	2353	sub _save {
1831	my ($self) = @_;	2354	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2355
1835	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1836		2357
1837	return unless $self->dirty;	2358	return unless $self->dirty;
1838		2359
…		…
1844	return if $self->{deny_save};	2365	return if $self->{deny_save};
1845		2366
1846	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1847		2368
1848	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1850	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1851		2375
1852	if ($uniq) {	2376	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2379	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2381	}
1858	}	2382	}
1859		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1860	sub swap_out {	2392	sub swap_out {
1861	my ($self) = @_;	2393	my ($self) = @_;
1862		2394
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1868	return if $self->players;	2399	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1872	$self->clear;	2410	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2411	}
1875		2412
1876	sub reset_at {	2413	sub reset_at {
1877	my ($self) = @_;	2414	my ($self) = @_;
1878		2415
…		…
1896		2433
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2435
1899	return if $self->players;	2436	return if $self->players;
1900		2437
1901	warn "resetting map ", $self->path;	2438	cf::trace "resetting map ", $self->path, "\n";
1902		2439
1903	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1904		2441
1905	# need to save uniques path	2442	# need to save uniques path
1906	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2445
…		…
1910	if $uniq;	2447	if $uniq;
1911	}	2448	}
1912		2449
1913	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1914		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2454	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2455
1919	$self->unlink_save;	2456	$self->unlink_save;
1920	$self->destroy;	2457	$self->destroy;
1921	}	2458	}
1922		2459
1923	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1924		2461
1925	sub nuke {	2462	sub nuke {
1926	my ($self) = @_;	2463	my ($self) = @_;
1927		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1928	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1929		2469
1930	$self->unlink_save;	2470	$self->unlink_save;
1931		2471
1932	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2477
1938	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1939		2480
1940	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
1941	}	2482	}
1942		2483
1943	=item $maps = cf::map::tmp_maps	2484	=item $maps = cf::map::tmp_maps
…		…
1985		2526
1986	sub unique_maps() {	2527	sub unique_maps() {
1987	[	2528	[
1988	map {	2529	map {
1989	utf8::decode $_;	2530	utf8::decode $_;
1990	/\.map$/	2531	s/\.map$//; # TODO future compatibility hack
		2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2533	? ()
1991	? normalise $_	2534	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2535	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2536	]
1995	}	2537	}
1996		2538
1997	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1998		2570
1999	=back	2571	=back
2000		2572
2001	=head3 cf::object	2573	=head3 cf::object
2002		2574
…		…
2006		2578
2007	=over 4	2579	=over 4
2008		2580
2009	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
2010		2582
2011	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
2012		2585
2013	=cut	2586	=cut
2014		2587
2015	sub inv_recursive_;	2588	sub inv_recursive_;
2016	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
2019		2592
2020	sub inv_recursive {	2593	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
2022	}	2595	}
2023		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
2024	package cf;	2625	package cf;
2025		2626
2026	=back	2627	=back
2027		2628
2028	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
2037		2638
2038	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
2039		2654
2040	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2656	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
2050		2665
2051	} else {	2666	} else {
2052	my $pl = $self->contr;	2667	my $pl = $self->contr;
2053		2668
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2670	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2672
2060	} else {	2673	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2676	}
2064	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
2065	}	2688	}
2066		2689
2067	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
2068		2691
2069	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
2082		2705
2083	=item $player_object->enter_link	2706	=item $player_object->enter_link
2084		2707
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2709
2087	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
2089		2714
2090	Will never block.	2715	Will never block.
2091		2716
2092	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
2093		2718
…		…
2113	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2739	my ($self) = @_;
2115		2740
2116	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
2117		2742
		2743	++$self->{_link_recursion};
		2744
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2746
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2748	if $self->map && $self->map->{path} ne "{link}";
2122		2749
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2751	}
2125		2752
2126	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
2128		2755
…		…
2145	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
2147		2774
2148	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
2151		2778
2152	$map->load;	2779	$map->load;
2153	$map->load_diag;	2780	$map->load_neighbours;
2154		2781
2155	return unless $self->contr->active;	2782	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2783
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
2160	}	2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
		2789	$self->activate_recursive;
		2790	}
2161		2791
		2792	}
		2793
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2795
2164	Moves the player to the given map-path and coordinates by first freezing	2796	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2797	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2798	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
2168		2804
2169	=cut	2805	=cut
2170		2806
2171	our $GOTOGEN;	2807	our $GOTOGEN;
2172		2808
2173	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
2175		2817
2176	# do generation counting so two concurrent goto's will be executed in-order	2818	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2820
2179	$self->enter_link;	2821	$self->enter_link;
2180		2822
2181	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
2182	my $map = eval {	2845	my $map = eval {
2183	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2847
2185	if ($map) {	2848	if ($map) {
2186	$map = $map->customise_for ($self);	2849	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2850	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2851	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2853	}
2191		2854
2192	$map	2855	$map
2193	};	2856	};
2194		2857
…		…
2199		2862
2200	if ($gen == $self->{_goto_generation}) {	2863	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2864	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
2203	}	2866	}
		2867
		2868	$done->($self) if $done;
2204	})->prio (1);	2869	})->prio (1);
2205	}	2870	}
2206		2871
2207	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
2208		2873
…		…
2228	}	2893	}
2229		2894
2230	sub prepare_random_map {	2895	sub prepare_random_map {
2231	my ($exit) = @_;	2896	my ($exit) = @_;
2232		2897
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2900	# that depends on the exit object
2238		2901
2239	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2904	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
2246	}	2911	}
2247		2912
2248	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
2249		2914
2250	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
2253		2918
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2921	undef $fh;
2257	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
2258		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
2261	}	2930	}
2262	}	2931	}
2263		2932
2264	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2266		2935
2267	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2268		2937
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2938	$self->enter_link;
2281		2939
2282	(async {	2940	(async {
2283	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2284	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
2285	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2286		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
2287	1;	2979	1
2288	}) {	2980	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2985
2294	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2987	$self->leave_link;
2296	}	2988	}
2297	})->prio (1);	2989	})->prio (1);
2298	}	2990	}
2299		2991
…		…
2313		3005
2314	utf8::encode $text;	3006	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	3008	}
2317		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
2318	=item $client->ext_event ($type, %msg)	3197	=item $client->ext_msg ($type, @msg)
2319		3198
2320	Sends an exti event to the client.	3199	Sends an ext event to the client.
2321		3200
2322	=cut	3201	=cut
2323		3202
2324	sub cf::client::ext_event($$%) {	3203	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3204	my ($self, $type, @msg) = @_;
2326		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3209	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
2329	}	3230	}
2330		3231
2331	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2332		3233
2333	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3237
2337	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3239	become reliable at some point in the future.
2339		3240
2340	=cut	3241	=cut
2341		3242
2342	sub cf::client::query {	3243	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3252	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3254
2354	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2356	}	3259	}
2357		3260
2358	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2359	on_reply => sub {	3267	on_reply => sub {
2360	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2361		3269
2362	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2363	# get handled first	3271	# get handled first
…		…
2375	} else {	3283	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3285	}
2378	}	3286	}
2379	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2380	);	3314	);
2381		3315
2382	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2383		3317
2384	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3334
2401	$coro	3335	$coro
2402	}	3336	}
2403		3337
2404	cf::client->attach (	3338	cf::client->attach (
2405	on_destroy => sub {	3339	on_client_destroy => sub {
2406	my ($ns) = @_;	3340	my ($ns) = @_;
2407		3341
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3343	},
2410	);	3344	);
…		…
2425	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2427		3361
2428	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2429		3363
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2431		3369
2432	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2433		3371
2434	=pod	3372	=pod
2435		3373
2436	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2437		3375
2438	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2439	cf::object::player player	3381	cf::object::player
2440	cf::player peaceful	3382	player
2441	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2442		3389
2443	=cut	3390	=cut
2444		3391
2445	for (	3392	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2450	) {	3399	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3402	for @funs;
2455	}	3403	}
2456		3404
…		…
2471		3419
2472	my $qcode = $code;	3420	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2475		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2476	local $_;	3427	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3428
2479	my $eval =	3429	my $eval =
2480	"do {\n"	3430	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3433	. $code
2484	. "\n}"	3434	. "\n}"
2485	;	3435	;
2486		3436
		3437	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2490		3446
2491	if ($@) {	3447	if ($@) {
2492	warn "$@";	3448	warn "$@",
2493	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2495	}	3451	}
2496		3452
2497	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2498	}	3454	}
2499		3455
…		…
2513	=cut	3469	=cut
2514		3470
2515	sub register_script_function {	3471	sub register_script_function {
2516	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2517		3473
2518	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2520	}	3476	}
2521		3477
2522	=back	3478	=back
2523		3479
2524	=cut	3480	=cut
…		…
2527	# the server's init and main functions	3483	# the server's init and main functions
2528		3484
2529	sub load_facedata($) {	3485	sub load_facedata($) {
2530	my ($path) = @_;	3486	my ($path) = @_;
2531		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2532	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2533		3495
2534	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3497
2540	$facedata->{version} == 2	3498	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
2543	{	3510	{
2544	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2545		3512
2546	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2552	}	3523	}
2553		3524
2554	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2556	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2557	or next;	3529	or next;
		3530
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3534	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3536	}
2563	Coro::cede;	3537
		3538	cf::cede_to_tick;
2564	}	3539	}
2565	}	3540	}
2566		3541
2567	{	3542	{
2568	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2569		3544
2570	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3547	cf::cede_to_tick;
2573	}	3548	}
2574		3549
2575	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2576	}	3551	}
2577		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
2578	1	3572	1
2579	}	3573	}
2580		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
2581	sub reload_regions {	3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
2582	load_resource_file "$MAPDIR/regions"	3598	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
2584	}	3605	}
2585		3606
2586	sub reload_facedata {	3607	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3608	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3609	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3617	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3618	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3619	or die "unable to load treasurelists\n";
2599	}	3620	}
2600		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
2601	sub reload_resources {	3642	sub reload_resources {
2602	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
2603		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
2604	reload_regions;	3650	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3651	reload_treasures;
2609		3652
2610	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
2611	}	3654	}
2612		3655
2613	sub init {	3656	sub reload_config {
2614	reload_resources;	3657	trace "reloading config file...\n";
2615	}
2616		3658
2617	sub cfg_load {	3659	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3660	utf8::decode $config;
2619	or return;	3661	*CFG = decode_yaml $config;
2620		3662
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3664
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3667
2629	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2633	};	3672	};
2634	warn $@ if $@;	3673	warn $@ if $@;
2635	}	3674	}
2636	}	3675	}
2637		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2638	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2639	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3718	(async {
2643	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2645	};	3722	};
2646		3723
2647	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
2648	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2649	load_extensions;	3747	load_extensions;
2650		3748
2651	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2653	}	3767	}
2654		3768
2655	#############################################################################	3769	#############################################################################
2656	# initialisation and cleanup	3770	# initialisation and cleanup
2657		3771
2658	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2659	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2668	},
2669	);	3778	};
2670	}	3779	}
2671	}	3780	}
2672		3781
2673	sub write_runtime {	3782	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3783	my $t0 = AE::time;
2675		3784
2676	# first touch the runtime file to show we are still running:	3785	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3786	# the fsync below can take a very very long time.
2678		3787
2679	IO::AIO::aio_utime $runtime, undef, undef;	3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3789
2681	my $guard = cf::lock_acquire "write_runtime";	3790	my $guard = cf::lock_acquire "write_runtime";
2682		3791
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3793	or return;
2685		3794
2686	my $value = $cf::RUNTIME + 90 + 10;	3795	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3796	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3797	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3807	aio_utime $fh, undef, undef;
2699		3808
2700	close $fh	3809	close $fh
2701	or return;	3810	or return;
2702		3811
2703	aio_rename "$runtime~", $runtime	3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3813	and return;
2705		3814
2706	warn "runtime file written.\n";	3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3816
2708	1	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2709	}	3868	}
2710		3869
2711	sub emergency_save() {	3870	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2713		3872
2714	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2715		3879
2716	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2717	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3891	$pl->save;
2725	}	3892	}
2726	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2727		3894
2728	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3900	$map->valid or next;
2732	$map->save;	3901	$map->save;
2733	}	3902	}
2734	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2735		3904
2736	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3933	};
2740		3934
2741	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2742	}	3936	}
2743		3937
2744	sub post_cleanup {	3938	sub post_cleanup {
2745	my ($make_core) = @_;	3939	my ($make_core) = @_;
2746		3940
		3941	IO::AIO::flush;
		3942
2747	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
2749	}	3973	}
2750		3974
2751	sub do_reload_perl() {	3975	sub do_reload_perl() {
2752	# can/must only be called in main	3976	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2754	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2755	return;	3979	return;
2756	}	3980	}
2757		3981
2758	warn "reloading...";	3982	return if $RELOAD++;
2759		3983
2760	warn "entering sync_job";	3984	my $t1 = AE::time;
2761		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
2762	cf::sync_job {	3992	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3993	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3994
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3997	%EXT_CORO = ();
2791		3998
2792	warn "removing commands";	3999	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4000	%COMMAND = ();
2794		4001
2795	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2797		4005
2798	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2801		4009
2802	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4011	eval {
2804	$cb->($pkg);	4012	$cb->($pkg);
2805	1	4013	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2807	}	4019	}
2808		4020
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4024
2817	warn "... unloading $k";	4025	trace "... unloading $k";
2818	delete $INC{$k};	4026	delete $INC{$k};
2819		4027
2820	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2822		4030
2823	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2825	}	4036	}
2826		4037
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4041
2834	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4045
2838	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4047	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2841		4049
2842	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2843		4051
2844	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2845	require cf;	4053	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2847		4055
2848	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4057	cf::reload_config;
2850		4058
2851	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4060	cf::load_extensions;
2853		4061
		4062	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
2860		4070
2861	warn "leaving sync_job";	4071	cf::_post_init 1;
2862		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
2863	1	4075	1
2864	} or do {	4076	} or do {
2865	warn $@;	4077	error $@;
2866	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4079	};
		4080
		4081	--$RELOAD;
2868	};	4082	}
2869		4083
2870	warn "reloaded";	4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
2871	};	4086	};
2872		4087
2873	our $RELOAD_WATCHER; # used only during reload	4088	our $RELOAD_WATCHER; # used only during reload
2874		4089
2875	sub reload_perl() {	4090	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4091	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4092	# coro crashes during coro_state_free->destroy here.
2878		4093
2879	$RELOAD_WATCHER ||= Event->timer (	4094	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4095	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4096
2882	data => WF_AUTOCANCEL,	4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4098	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4099	undef $RELOAD_WATCHER;
2886	},	4100	};
2887	);	4101	};
2888	}	4102	}
2889		4103
2890	register_command "reload" => sub {	4104	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2892		4106
2893	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4111	reload_perl;
		4112	};
2896	}	4113	}
2897	};	4114	};
2898		4115
2899	unshift @INC, $LIBDIR;	4116	#############################################################################
2900		4117
2901	my $bug_warning = 0;	4118	my $bug_warning = 0;
2902		4119
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4120	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4122
2910	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4124	}
2914		4125
2915	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4128
2919	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4131	$signal->wait;
2922	}	4132	}
2923		4133
2924	my $min = 1e6;#d#	4134	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2936	return;	4138	return;
2937	}	4139	}
2938		4140
2939	$NOW = $tick_start = Event::time;	4141	cf::one_tick; # one server iteration
2940		4142
2941	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4144
2943	0 && sync_job {#d#	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4147	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4148	$Coro::current->{desc} = "runtime saver";
2947	or die;	4149	write_runtime_sync
2948		4150	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4151	};
		4152	}
2965		4153
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4155	$sig->send;
2982	}	4156	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4157	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4158
2987	$NOW = Event::time;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4161
2998	_post_tick;	4162	if (0) {
2999		4163	if ($NEXT_TICK) {
3000		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
3001	},	4168	}
3002	);	4169	}
3003		4170
3004	{	4171	{
3005	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4173
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
3015		4175	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4177
3031	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4185
3034	cf::sync_job {	4186	cf::sync_job {
3035	eval {	4187	eval {
3036	BDB::db_env_open	4188	BDB::db_env_open
3037	$DB_ENV,	4189	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4193	0666;
3042		4194
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4196	};
3048		4197
3049	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4199	};
3051	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
3052	}	4211	}
3053		4212
3054	{	4213	{
		4214	# configure IO::AIO
		4215
3055	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4219	}
3068		4220
3069	my $_log_backtrace;	4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
3070		4223
3071	sub _log_backtrace {	4224	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4225	my ($msg, @addr) = @_;
3073		4226
3074	$msg =~ s/\n//;	4227	$msg =~ s/\n$//;
3075		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4232	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
3079	async {	4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
3080	my @bt = fork_call {	4240	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4241	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4244	or die "addr2line: $!";
…		…
3092	}	4252	}
3093		4253
3094	@funcs	4254	@funcs
3095	};	4255	};
3096		4256
3097	LOG llevInfo, "[ABT] $msg\n";	4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4259	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4260	--$_log_backtrace;
3100	};	4261	};
3101	} else {	4262	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4263	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4265	}
3105	}	4266	}
3106		4267
3107	# load additional modules	4268	# load additional modules
3108	use cf::pod;	4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
3109		4271
3110	END { cf::emergency_save }	4272	END { cf::emergency_save }
3111		4273
3112	1	4274	1
3113		4275

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