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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.579 by root, Wed Jan 4 03:22:28 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	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;
79	our $NOW;	138	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		139
82	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
93		143
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		146
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
99	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
100		159
101	binmode STDOUT;	160	binmode STDOUT;
102	binmode STDERR;	161	binmode STDERR;
103		162
104	# read virtual server time, if available	163	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
109	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
110		171
111	mkdir $_	172	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		174
114	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
115		176
116	sub cf::map::normalise;	177	sub cf::map::normalise;
117		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
118	#############################################################################	183	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
121		197
122	=over 4	198	=over 4
123		199
124	=item $cf::UPTIME	200	=item $cf::UPTIME
125		201
126	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.
127		218
128	=item $cf::RUNTIME	219	=item $cf::RUNTIME
129		220
130	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
131	every server tick.	222	every server tick.
…		…
137	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
140	database environment.	231	database environment.
141		232
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	233	=item $cf::LOADAVG
151		234
152	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
157		240
158	The raw value load value from the last tick.	241	The raw value load value from the last tick.
159		242
160	=item %cf::CFG	243	=item %cf::CFG
161		244
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	246	from wherever your confdir points to.
164		247
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		249
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
171	=back	283	=back
172		284
173	=cut	285	=cut
174		286
175	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	294	my $msg = join "", @_;
178		295
179	$msg .= "\n"	296	$msg .= "\n"
180	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
181		298
182	$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;
183		300
184	utf8::encode $msg;
185	LOG llevError, $msg;	301	LOG llevWarn, $msg;
186	};	302	};
187	}	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	};
188		317
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	328	for my $pkg (qw(
200	cf::global cf::attachable	329	cf::global cf::attachable
201	cf::object cf::object::player	330	cf::object cf::object::player
202	cf::client cf::player	331	cf::client cf::player
203	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
204	cf::map cf::party cf::region	334	cf::party cf::region
205	)) {	335	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	337	}
209		338
210	$Event::DIED = sub {	339	$EV::DIED = sub {
211	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
212	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
213		347
214	#############################################################################	348	#############################################################################
215		349
216	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
217		351
…		…
238	$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;
239	$d	373	$d
240	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
241	}	375	}
242		376
		377	=item $scalar = load_file $path
		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
251	=cut	399	=cut
252		400
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		402
255	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		467
258	=item cf::lock_wait $string	468	=item cf::lock_wait $string
259		469
260	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
261		471
262	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
263		473
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
267	returned.	477	returned.
268		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
269	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
270	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
271		484
272	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
273		486
274	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.
275		488
276	=cut	489	=cut
277		490
278	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
279		492
280	sub lock_wait($) {	493	sub lock_wait($) {
281	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	495	}
289		496
290	sub lock_acquire($) {	497	sub lock_acquire($) {
291	my ($key) = @_;	498	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	499	}
303		500
304	sub lock_active($) {	501	sub lock_active($) {
305	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	503	}
309		504
310	sub freeze_mainloop {	505	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
312		507
313	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
314	$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	}
315	};	578	}
316	$TICK_WATCHER->stop;	579	};
317	$guard	580
		581	sub get_slot($;$$) {
		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;
318	}	594	}
319		595
320	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
321		597
322	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		603
328	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
329		605
330	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
331		607
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
333	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
334	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
335	acceptable.	611	acceptable.
336		612
337	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
338	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
…		…
342	=cut	618	=cut
343		619
344	sub sync_job(&) {	620	sub sync_job(&) {
345	my ($job) = @_;	621	my ($job) = @_;
346		622
347	if ($Coro::current == $Coro::main) {	623	if (in_main) {
348	my $time = Event::time;	624	my $time = AE::time;
349		625
350	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
352		628
353	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	630
355	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
356		632
357	my $busy = 1;	633	my $busy = 1;
358	my @res;	634	my @res;
359		635
360	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	638	@res = eval { $job->() };
362	warn $@ if $@;	639	error $@ if $@;
363	undef $busy;	640	undef $busy;
364	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
365		642
366	while ($busy) {	643	while ($busy) {
367	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
368	}	648	}
		649	}
369		650
370	$time = Event::time - $time;	651	my $time = AE::time - $time;
371		652
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
376		654
377	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
378	} else {	656	} else {
379	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
380		658
…		…
400	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
401		679
402	$coro	680	$coro
403	}	681	}
404		682
405	=item fork_call { }, $args	683	=item fork_call { }, @args
406		684
407	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
408	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
409	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
410	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
411		689
412	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
413		695
414	sub fork_call(&@) {	696	sub fork_call(&@) {
415	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
416		698
417	# 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,
418	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		702
422	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
423	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
424		707
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	709	}
427		710
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	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
447	}	747	}
448		748
449	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
450		750
451	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
454		754
455	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
456	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).
457		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
458	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
459		784
460	our $DB;	785	our $DB;
461		786
462	sub db_init {	787	sub db_init {
463	unless ($DB) {	788	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	789	}
478		790
479	sub db_get($$) {	791	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
481		793
482	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
483	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
484		798
485	$! ? ()	799	$! ? ()
486	: $data	800	: $data
487	}
488	}	801	}
489		802
490	sub db_put($$$) {	803	sub db_put($$$) {
491	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		833
521	my @data;	834	my @data;
522	my $md5;	835	my $md5;
523		836
524	for (0 .. $#$src) {	837	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	839	}
528		840
529	# if processing is expensive, check	841	# if processing is expensive, check
530	# checksum first	842	# checksum first
531	if (1) {	843	if (1) {
532	$md5 =	844	$md5 =
533	join "\x00",	845	join "\x00",
534	$processversion,	846	$processversion,
535	map {	847	map {
536	Coro::cede;	848	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	850	} 0.. $#$src;
539		851
540		852
541	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		860
549	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	862	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
552		864
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		866
555	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
558		870
…		…
568		880
569	=cut	881	=cut
570		882
571	sub datalog($@) {	883	sub datalog($@) {
572	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	886	}
575		887
576	=back	888	=back
577		889
578	=cut	890	=cut
579		891
580	#############################################################################	892	#############################################################################
581		893
582	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
583		895
584	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
585	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")
586	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
587		899
588	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>
589	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
590	Crossfire TRT).	902	Deliantra).
591		903
592	=over 4	904	=over 4
593		905
594	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
595		907
…		…
639	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
640		952
641	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
643		955
644	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		958
647	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
648		960
649	=over 4	961	=over 4
…		…
773		1085
774	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1088
777	} elsif (ref $type) {	1089	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
779		1091
780	} else {	1092	} else {
781	shift @arg;	1093	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
783	}	1095	}
784	}	1096	}
785	}	1097	}
786		1098
787	sub _object_attach {	1099	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
798	}	1110	}
799		1111
800	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
801	} else {	1113	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1115	}
804		1116
805	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
806	}	1118	}
807		1119
…		…
847	";	1159	";
848	die if $@;	1160	die if $@;
849	}	1161	}
850		1162
851	our $override;	1163	our $override;
852	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?
853		1165
854	sub override {	1166	sub override {
855	$override = 1;	1167	$override = 1;
856	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
857	}	1169	}
858		1170
859	sub do_invoke {	1171	sub do_invoke {
860	my $event = shift;	1172	my $event = shift;
861	my $callbacks = shift;	1173	my $callbacks = shift;
862		1174
863	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
864		1176
865	local $override;	1177	local $override;
866		1178
867	for (@$callbacks) {	1179	for (@$callbacks) {
868	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
869		1181
870	if ($@) {	1182	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1184	override;
874	}	1185	}
875		1186
876	return 1 if $override;	1187	return 1 if $override;
877	}	1188	}
878		1189
879	0	1190	0
880	}	1191	}
881		1192
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1194
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1196
886	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
887		1198
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1202
892	=back	1203	=back
893		1204
894	=cut	1205	=cut
895		1206
896	#############################################################################	1207	#############################################################################
897	# 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, $ob2
		1250	}
898		1251
899	sub reattach {	1252	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1254	my ($obj) = @_;
902		1255
		1256	# no longer needed after getting rid of delete_package?
903	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
904		1258
905	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
906		1260
907	@$registry = ();	1261	@$registry = ();
908		1262
…		…
913	for (@$attach) {	1267	for (@$attach) {
914	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
916	}	1270	}
917	} else {	1271	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1273	}
920	}	1274	}
921	}	1275	}
922		1276
923	cf::attachable->attach (	1277	cf::attachable->attach (
924	prio => -1000000,	1278	prio => -1000000,
925	on_instantiate => sub {	1279	on_instantiate => sub {
926	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
927		1281
928	$data = from_json $data;	1282	$data = decode_json $data;
929		1283
930	for (@$data) {	1284	for (@$data) {
931	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
932		1286
933	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1303	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
951		1305
952	sync_job {	1306	sync_job {
953	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
956		1312
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1320	aio_close $fh;
962		1321
963	if (@$objs) {	1322	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1331	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
971	}	1333	}
972	} else {	1334	} else {
973	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
974	}	1336	}
975		1337
976	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1342	} else {
978	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
979	}	1344	}
980	} else {	1345	} else {
981	aio_unlink $filename;	1346	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
983	}	1348	}
984	}	1349	};
985	}	1350	}
986		1351
987	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
989		1354
…		…
1001	or return;	1366	or return;
1002		1367
1003	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1370	or return;
		1371
1006	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1007	}	1374	}
1008		1375
		1376	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1011	return ($data, $av);	1381	($data, $av)
1012	}	1382	}
1013		1383
1014	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1015		1385
1016	=over 4	1386	=over 4
…		…
1070	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1071		1441
1072	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1073	}	1443	}
1074		1444
		1445	use File::Glob ();
		1446
1075	cf::player->attach (	1447	cf::player->attach (
1076	on_command => sub {	1448	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1078		1450
1079	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1080	or return;	1452	or return;
1081		1453
…		…
1089	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1090		1462
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1464
1093	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
1099	} else {	1477	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1479	}
1102		1480
1103	cf::override;	1481	cf::override;
1104	},	1482	},
1105	);	1483	);
1106		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1107	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1108	cf::sync_job {	1501	cf::sync_job {
1109	my %todo;	1502	my %todo;
1110		1503
1111	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1505	next unless -r $path;
…		…
1130		1523
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1526
1134	$ext{source} =	1527	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1137	. $source	1530	. $source
1138	. "\n};\n1";	1531	. "\n};\n1";
1139		1532
1140	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1141	}	1534	}
1142		1535
		1536	my $pass = 0;
1143	my %done;	1537	my %done;
1144	while (%todo) {	1538	while (%todo) {
1145	my $progress;	1539	my $progress;
1146		1540
		1541	++$pass;
		1542
		1543	ext:
1147	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1546	next ext
1150	unless exists $done{$_};	1547	unless exists $done{$_};
1151	}	1548	}
1152		1549
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1551
1155	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1160	warn $msg;	1559
1161	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1561	delete $todo{$k};
1163	}	1562	} else {
1164		1563	$done{$k} = delete $todo{$k};
1165	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1166	}	1569	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1570	}
1172		1571
1173	skip:	1572	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1176	}	1582	}
1177	};	1583	};
1178	}	1584	}
1179		1585
1180	#############################################################################	1586	#############################################################################
1181		1587
1182	=back	1588	=back
1183		1589
1184	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1185		1591
1186	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1187		1593
1188	=cut	1594	=cut
1189		1595
1190	package cf::player;	1596	package cf::player;
1191		1597
1192	use Coro::AIO;	1598	use Coro::AIO;
1193		1599
1194	=head3 cf::player	1600	=head3 cf::player
1195		1601
1196	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1197		1617
1198	=item cf::player::find $login	1618	=item cf::player::find $login
1199		1619
1200	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1201		1621
…		…
1220		1640
1221	sub exists($) {	1641	sub exists($) {
1222	my ($login) = @_;	1642	my ($login) = @_;
1223		1643
1224	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1226	}	1646	}
1227		1647
1228	sub find($) {	1648	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1650	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1661
1242	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1245	}	1671	}
1246	}	1672	}
1247	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1248		1687
1249	sub save($) {	1688	sub save($) {
1250	my ($pl) = @_;	1689	my ($pl) = @_;
1251		1690
1252	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1258		1697
1259	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1261		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1262	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1263	Coro::cede;	1707	cf::cede_to_tick;
1264	}	1708	}
1265		1709
1266	sub new($) {	1710	sub new($) {
1267	my ($login) = @_;	1711	my ($login) = @_;
1268		1712
…		…
1274	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1275		1719
1276	$self	1720	$self
1277	}	1721	}
1278		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1279	=item $pl->quit_character	1733	=item $pl->quit_character
1280		1734
1281	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1283		1737
…		…
1287	my ($pl) = @_;	1741	my ($pl) = @_;
1288		1742
1289	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1290		1744
1291	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1747
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1297	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1298		1756
1299	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1336	or return [];	1794	or return [];
1337		1795
1338	my @logins;	1796	my @logins;
1339		1797
1340	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1344		1808
1345	utf8::decode $login;	1809	utf8::decode $login;
1346	push @logins, $login;	1810	push @logins, $login;
1347	}	1811	}
1348		1812
1349	\@logins	1813	\@logins
1350	}	1814	}
1351		1815
1352	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1353		1819
1354	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1355	player. May block.	1821	player. May block.
1356		1822
1357	=cut	1823	=cut
…		…
1375	}	1841	}
1376		1842
1377	\@paths	1843	\@paths
1378	}	1844	}
1379		1845
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1847
1382	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1383		1849
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1431		1851
1432	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1433		1853
1434	=cut	1854	=cut
1435		1855
1436	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1438		1858
1439	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1860	}
1442		1861
1443	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1444		1863
1445	Sends an ext event to the client.	1864	Sends an ext event to the client.
1446		1865
1447	=cut	1866	=cut
1448		1867
1449	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1451		1870
1452	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1453	}	1872	}
1454		1873
1455	=head3 cf::region	1874	=head3 cf::region
1456		1875
1457	=over 4	1876	=over 4
…		…
1467	=cut	1886	=cut
1468		1887
1469	sub find_by_path($) {	1888	sub find_by_path($) {
1470	my ($path) = @_;	1889	my ($path) = @_;
1471		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1472	my ($match, $specificity);	1893	my ($match, $specificity);
1473		1894
1474	for my $region (list) {	1895	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1478	}	1899	}
1479	}	1900	}
1480		1901
…		…
1501	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1503		1924
1504	sub generate_random_map {	1925	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1507	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	1931	}
1521		1932
1522	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1523		1934
1524	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1529		1940
1530	sub register {	1941	sub register {
1531	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	1943	my $pkg = caller;
1533		1944
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		1946
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1948	}
1539		1949
1540	# also paths starting with '/'	1950	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1952
1543	sub thawer_merge {	1953	sub thawer_merge {
1544	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1545		1955
1546	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1551	}	1961	}
1552		1962
1553	sub normalise {	1963	sub normalise {
1554	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1555		1965
1556	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1557		1967
1558	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1559		1969
1560	# map plan:	1970	# map plan:
1561	#	1971	#
…		…
1576	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	1987	$path = "$base/$path";
1578	}	1988	}
1579		1989
1580	for ($path) {	1990	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1584	}	1993	}
1585		1994
1586	$path	1995	$path
…		…
1600	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1601	return $self;	2010	return $self;
1602	}	2011	}
1603	}	2012	}
1604		2013
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2015	()
1607	}	2016	}
1608		2017
		2018	# may re-bless or do other evil things
1609	sub init {	2019	sub init {
1610	my ($self) = @_;	2020	my ($self) = @_;
1611		2021
1612	$self	2022	$self
1613	}	2023	}
…		…
1632		2042
1633	# the temporary/swap location	2043	# the temporary/swap location
1634	sub save_path {	2044	sub save_path {
1635	my ($self) = @_;	2045	my ($self) = @_;
1636		2046
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1639	}	2049	}
1640		2050
1641	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1642	sub uniq_path {	2052	sub uniq_path {
1643	my ($self) = @_;	2053	my ($self) = @_;
1644		2054
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2057	}
1657		2058
1658	sub decay_objects {	2059	sub decay_objects {
1659	my ($self) = @_;	2060	my ($self) = @_;
1660		2061
…		…
1673		2074
1674	sub load_header_from($) {	2075	sub load_header_from($) {
1675	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1676		2077
1677	utf8::encode $path;	2078	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2080	or return;
1683		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1684	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1685		2089
1686	1	2090	1
1687	}	2091	}
1688		2092
		2093	# used to laod the header of an original map
1689	sub load_header_orig {	2094	sub load_header_orig {
1690	my ($self) = @_;	2095	my ($self) = @_;
1691		2096
1692	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1693	}	2098	}
1694		2099
		2100	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2101	sub load_header_temp {
1696	my ($self) = @_;	2102	my ($self) = @_;
1697		2103
1698	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1699	}	2105	}
1700		2106
		2107	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2108	sub prepare_temp {
1702	my ($self) = @_;	2109	my ($self) = @_;
1703		2110
1704	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1706	# safety	2113	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2116	}
1710		2117
		2118	# called after loading the header from an original map
1711	sub prepare_orig {	2119	sub prepare_orig {
1712	my ($self) = @_;	2120	my ($self) = @_;
1713		2121
1714	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2147
1740	sub find;	2148	sub find;
1741	sub find {	2149	sub find {
1742	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1743		2151
		2152	cf::cede_to_tick;
		2153
1744	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1745		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2158
1748	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1751	or return;	2161	or return;
1752		2162
1753	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1754		2164
…		…
1756	or return;	2166	or return;
1757		2167
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1761	$map->reset;	2173	$map->reset;
1762	undef $guard;
1763	return find $path;	2174	return find $path;
1764	}	2175	}
1765		2176
1766	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1767	}	2178	}
1768	}	2179	}
1769		2180
1770	sub pre_load { }	2181	sub pre_load { }
1771	sub post_load { }	2182	#sub post_load { } # XS
1772		2183
1773	sub load {	2184	sub load {
1774	my ($self) = @_;	2185	my ($self) = @_;
1775		2186
1776	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1777		2188
1778	my $path = $self->{path};	2189	my $path = $self->{path};
1779		2190
1780	{	2191	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1782		2193
		2194	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2196
1787	$self->alloc;	2197	$self->alloc;
1788		2198
1789	$self->pre_load;	2199	$self->pre_load;
1790	Coro::cede;	2200	cf::cede_to_tick;
1791		2201
1792	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1793	or return;	2206	or return;
1794		2207
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1796	if delete $self->{load_original};	2209	if delete $self->{load_original};
1797		2210
1798	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2212	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2215	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1803	}	2220	}
1804	}
1805		2221
1806	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1807	# now do the right thing for maps	2231	# now do the right thing for maps
1808	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2234	unless $self->difficulty;
1811	Coro::cede;	2235	cf::cede_to_tick;
1812		2236
1813	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2238	$self->decay_objects;
1815	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1816	$self->update_buttons;	2240	$self->update_buttons;
1817	Coro::cede;	2241	cf::cede_to_tick;
1818	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2243	}
1822		2244
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1824	}	2247	}
1825		2248
1826	$self->post_load;	2249	$self->post_load;
1827	}
1828		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2257	sub customise_for {
1830	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1831		2259
1832	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2261	if $self->per_player;
…		…
1836	# if $self->per_party;	2264	# if $self->per_party;
1837		2265
1838	$self	2266	$self
1839	}	2267	}
1840		2268
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2269	sub find_sync {
1866	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1867		2271
1868	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1869	}	2277	}
1870		2278
1871	sub do_load_sync {	2279	sub do_load_sync {
1872	my ($map) = @_;	2280	my ($map) = @_;
1873		2281
1874	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1875	}	2287	}
1876		2288
1877	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1879		2291
1880	sub find_async {	2292	sub find_async {
1881	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1882		2294
1883	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1884		2296
1885	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1887	}	2299	}
1888		2300
1889	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1890	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1891	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2308	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2309	$map->load if $v;
		2310	}
1896		2311
1897	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1898	}	2313	}
1899	}	2314	}
1900	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1901	};	2316	};
1902	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1903		2318
1904	()	2319	()
1905	}	2320	}
1906		2321
		2322	# common code, used by both ->save and ->swapout
1907	sub save {	2323	sub _save {
1908	my ($self) = @_;	2324	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2325
1912	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1913		2327
1914	return unless $self->dirty;	2328	return unless $self->dirty;
1915		2329
…		…
1921	return if $self->{deny_save};	2335	return if $self->{deny_save};
1922		2336
1923	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1924		2338
1925	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1927	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1928		2345
1929	if ($uniq) {	2346	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2349	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2351	}
1935	}	2352	}
1936		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1937	sub swap_out {	2362	sub swap_out {
1938	my ($self) = @_;	2363	my ($self) = @_;
1939		2364
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1945	return if $self->players;	2369	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1949	$self->clear;	2380	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2381	}
1952		2382
1953	sub reset_at {	2383	sub reset_at {
1954	my ($self) = @_;	2384	my ($self) = @_;
1955		2385
…		…
1973		2403
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2405
1976	return if $self->players;	2406	return if $self->players;
1977		2407
1978	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
1979		2409
1980	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1981		2411
1982	# need to save uniques path	2412	# need to save uniques path
1983	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2415
…		…
1987	if $uniq;	2417	if $uniq;
1988	}	2418	}
1989		2419
1990	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1991		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2424	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2425
1996	$self->unlink_save;	2426	$self->unlink_save;
1997	$self->destroy;	2427	$self->destroy;
1998	}	2428	}
1999		2429
2000	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
2001		2431
2002	sub nuke {	2432	sub nuke {
2003	my ($self) = @_;	2433	my ($self) = @_;
2004		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
2005	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2006		2439
2007	$self->unlink_save;	2440	$self->unlink_save;
2008		2441
2009	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2447
2015	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
2016		2450
2017	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
2018	}	2452	}
2019		2453
2020	=item $maps = cf::map::tmp_maps	2454	=item $maps = cf::map::tmp_maps
…		…
2062		2496
2063	sub unique_maps() {	2497	sub unique_maps() {
2064	[	2498	[
2065	map {	2499	map {
2066	utf8::decode $_;	2500	utf8::decode $_;
2067	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2068	? normalise $_	2504	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2506	]
2072	}	2507	}
2073		2508
2074	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2075		2540
2076	=back	2541	=back
2077		2542
2078	=head3 cf::object	2543	=head3 cf::object
2079		2544
…		…
2083		2548
2084	=over 4	2549	=over 4
2085		2550
2086	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2087		2552
2088	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2089		2555
2090	=cut	2556	=cut
2091		2557
2092	sub inv_recursive_;	2558	sub inv_recursive_;
2093	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2096		2562
2097	sub inv_recursive {	2563	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2099	}	2565	}
2100		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2101	package cf;	2595	package cf;
2102		2596
2103	=back	2597	=back
2104		2598
2105	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2114		2608
2115	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2116		2624
2117	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2626	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2127		2635
2128	} else {	2636	} else {
2129	my $pl = $self->contr;	2637	my $pl = $self->contr;
2130		2638
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2642
2140	} else {	2643	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2646	}
2144	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
2145	}	2658	}
2146		2659
2147	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
2148		2661
2149	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
2162		2675
2163	=item $player_object->enter_link	2676	=item $player_object->enter_link
2164		2677
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2679
2167	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2169		2684
2170	Will never block.	2685	Will never block.
2171		2686
2172	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2173		2688
…		…
2193	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2709	my ($self) = @_;
2195		2710
2196	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2197		2712
		2713	++$self->{_link_recursion};
		2714
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2716
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2202		2719
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2721	}
2205		2722
2206	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2208		2725
…		…
2225	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2227		2744
2228	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2231		2748
2232	$map->load;	2749	$map->load;
2233	$map->load_diag;
2234		2750
2235	return unless $self->contr->active;	2751	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2752
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2240	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2241		2760
		2761	}
		2762
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2764
2244	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
2248		2773
2249	=cut	2774	=cut
2250		2775
2251	our $GOTOGEN;	2776	our $GOTOGEN;
2252		2777
2253	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2255		2786
2256	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2789
2259	$self->enter_link;	2790	$self->enter_link;
2260		2791
2261	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2262	my $map = eval {	2814	my $map = eval {
2263	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2816
2265	if ($map) {	2817	if ($map) {
2266	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2820	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2822	}
2271		2823
2272	$map	2824	$map
2273	};	2825	};
2274		2826
…		…
2279		2831
2280	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2283	}	2835	}
		2836
		2837	$done->($self) if $done;
2284	})->prio (1);	2838	})->prio (1);
2285	}	2839	}
2286		2840
2287	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2288		2842
…		…
2308	}	2862	}
2309		2863
2310	sub prepare_random_map {	2864	sub prepare_random_map {
2311	my ($exit) = @_;	2865	my ($exit) = @_;
2312		2866
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2869	# that depends on the exit object
2318		2870
2319	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2873	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2326	}	2880	}
2327		2881
2328	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2329		2883
2330	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2333		2887
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2890	undef $fh;
2337	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2338		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2341	}	2899	}
2342	}	2900	}
2343		2901
2344	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2346		2904
2347	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2348		2906
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2907	$self->enter_link;
2361		2908
2362	(async {	2909	(async {
2363	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2364	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2365	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2366		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2367	1;	2948	1
2368	}) {	2949	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2954
2374	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	2956	$self->leave_link;
2376	}	2957	}
2377	})->prio (1);	2958	})->prio (1);
2378	}	2959	}
2379		2960
…		…
2393		2974
2394	utf8::encode $text;	2975	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2977	}
2397		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3005
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	3007	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2404		3010
2405	=cut	3011	=cut
2406		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
2407	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3129
2410	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2411		3132
2412	if ($self->can_msg) {	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		3134
2425	if ($color >= 0) {	3135	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	3136	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	3137	$channel = $CHANNEL{$channel};
2428	} else {	3138
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3139	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
2431	}	3147	}
2432	}
2433	}
2434	}
2435		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2436	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2437		3167
2438	Sends an ext event to the client.	3168	Sends an ext event to the client.
2439		3169
2440	=cut	3170	=cut
2441		3171
2442	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2444		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2447	}	3195	}
2448		3196
2449	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2450		3198
2451	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2507		3255
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3257
2510	if (ref $msg) {	3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3263	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3264	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
2517	} else {	3270	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3272	}
2520		3273
2521	cf::override;	3274	cf::override;
2522	},	3275	},
2523	);	3276	);
…		…
2543		3296
2544	$coro	3297	$coro
2545	}	3298	}
2546		3299
2547	cf::client->attach (	3300	cf::client->attach (
2548	on_destroy => sub {	3301	on_client_destroy => sub {
2549	my ($ns) = @_;	3302	my ($ns) = @_;
2550		3303
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3305	},
2553	);	3306	);
…		…
2568	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2570		3323
2571	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2572		3325
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2574		3331
2575	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2576		3333
2577	=pod	3334	=pod
2578		3335
2579	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2580		3337
2581	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2582	cf::object::player player	3343	cf::object::player
2583	cf::player peaceful	3344	player
2584	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2585		3351
2586	=cut	3352	=cut
2587		3353
2588	for (	3354	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2593	) {	3361	) {
2594	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2597	for @funs;	3364	for @funs;
2598	}	3365	}
2599		3366
…		…
2614		3381
2615	my $qcode = $code;	3382	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2618		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2619	local $_;	3389	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3390
2622	my $eval =	3391	my $eval =
2623	"do {\n"	3392	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3395	. $code
2627	. "\n}"	3396	. "\n}"
2628	;	3397	;
2629		3398
		3399	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2633		3408
2634	if ($@) {	3409	if ($@) {
2635	warn "$@";	3410	warn "$@",
2636	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2637	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2638	}	3413	}
2639		3414
2640	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2641	}	3416	}
2642		3417
…		…
2656	=cut	3431	=cut
2657		3432
2658	sub register_script_function {	3433	sub register_script_function {
2659	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2660		3435
2661	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2663	}	3438	}
2664		3439
2665	=back	3440	=back
2666		3441
2667	=cut	3442	=cut
…		…
2670	# the server's init and main functions	3445	# the server's init and main functions
2671		3446
2672	sub load_facedata($) {	3447	sub load_facedata($) {
2673	my ($path) = @_;	3448	my ($path) = @_;
2674		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2675	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2676		3457
2677	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2678	0 < aio_load $path, $facedata
2679	or die "$path: $!";
2680
2681	$facedata = Coro::Storable::thaw $facedata;
2682		3459
2683	$facedata->{version} == 2	3460	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2686	{	3472	{
2687	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2688		3474
2689	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2694	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2695	}	3485	}
2696		3486
2697	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2699	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2700	or next;	3491	or next;
		3492
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3496	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3498	}
2706	Coro::cede;	3499
		3500	cf::cede_to_tick;
2707	}	3501	}
2708	}	3502	}
2709		3503
2710	{	3504	{
2711	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2712		3506
2713	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3509	cf::cede_to_tick;
2716	}	3510	}
2717		3511
2718	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2719	}	3513	}
2720		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # any keys left are stashed into meta unless prepended
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
2721	1	3536	1
2722	}	3537	}
2723		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2724	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2725	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
2727	}	3569	}
2728		3570
2729	sub reload_facedata {	3571	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3572	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3573	or die "unable to load facedata\n";
2732	}	3574	}
2733		3575
2734	sub reload_archetypes {	3576	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references
2738	# this really needs to be done in an extra post-pass
2739	# (which needs to be synchronous, so solve it differently)
2740	load_resource_file "$DATADIR/archetypes"
2741	or die "unable to load archetypes\n";
2742	}	3579	}
2743		3580
2744	sub reload_treasures {	3581	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2747	}	3584	}
2748		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2749	sub reload_resources {	3606	sub reload_resources {
2750	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2751		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2752	reload_regions;	3614	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3615	reload_treasures;
2757		3616
2758	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2759	}	3618	}
2760		3619
2761	sub init {	3620	sub reload_config {
2762	reload_resources;	3621	trace "reloading config file...\n";
2763	}
2764		3622
2765	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2767	or return;	3625	*CFG = decode_yaml $config;
2768		3626
2769	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;
2771
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2773		3628
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2776		3631
2777	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2781	};	3636	};
2782	warn $@ if $@;	3637	warn $@ if $@;
2783	}	3638	}
2784	}	3639	}
2785		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2786	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2787	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3682	(async {
2791	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2793	};	3686	};
2794		3687
2795	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2796	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2797	load_extensions;	3711	load_extensions;
2798		3712
2799	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2801	}	3730	}
2802		3731
2803	#############################################################################	3732	#############################################################################
2804	# initialisation and cleanup	3733	# initialisation and cleanup
2805		3734
2806	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2807	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2816	},
2817	);	3741	};
2818	}	3742	}
2819	}	3743	}
2820		3744
2821	sub write_runtime {	3745	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
2823		3747
2824	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
2826		3750
2827	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3752
2829	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
2830		3754
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	3756	or return;
2833		3757
2834	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
2847		3771
2848	close $fh	3772	close $fh
2849	or return;	3773	or return;
2850		3774
2851	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3776	and return;
2853		3777
2854	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2855		3779
2856	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2857	}	3831	}
2858		3832
2859	sub emergency_save() {	3833	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2861		3835
2862	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2863		3842
2864	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2865	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3854	$pl->save;
2873	}	3855	}
2874	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2875		3857
2876	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3863	$map->valid or next;
2880	$map->save;	3864	$map->save;
2881	}	3865	}
2882	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2883		3867
2884	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2887	};	3896	};
2888		3897
2889	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2890	}	3899	}
2891		3900
2892	sub post_cleanup {	3901	sub post_cleanup {
2893	my ($make_core) = @_;	3902	my ($make_core) = @_;
2894		3903
		3904	IO::AIO::flush;
		3905
2895	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
2897	}	3936	}
2898		3937
2899	sub do_reload_perl() {	3938	sub do_reload_perl() {
2900	# can/must only be called in main	3939	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2902	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2903	return;	3942	return;
2904	}	3943	}
2905		3944
2906	warn "reloading...";	3945	return if $RELOAD++;
2907		3946
2908	warn "entering sync_job";	3947	my $t1 = AE::time;
2909		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2910	cf::sync_job {	3955	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark
2912	cf::emergency_save;	3956	#cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark
2914		3957
2915	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;
2917
2918	# if anything goes wrong in here, we should simply crash as we already saved
2919
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;
2931	warn "iterate...";
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();	3960	%EXT_CORO = ();
2939		3961
2940	warn "removing commands";	3962	trace "perl_reload: removing commands";
2941	%COMMAND = ();	3963	%COMMAND = ();
2942		3964
2943	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
2944	%EXTCMD = ();	3966	%EXTCMD = ();
2945	%EXTICMD = ();	3967	%EXTICMD = ();
2946		3968
2947	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2950		3972
2951	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2952	eval {	3974	eval {
2953	$cb->($pkg);	3975	$cb->($pkg);
2954	1	3976	1
2955	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2956	}	3982	}
2957		3983
2958	warn "... nuking $pkg";
2959	Symbol::delete_package $pkg;
2960	}
2961
2962	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2963	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3987
2966	warn "... unloading $k";	3988	trace "... unloading $k";
2967	delete $INC{$k};	3989	delete $INC{$k};
2968		3990
2969	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2971		3993
2972	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2973	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2974	}	3999	}
2975		4000
2976	Symbol::delete_package $k;
2977	}
2978
2979	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		4004
2983	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		4008
2987	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2988	# and global variables created in xs	4010	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2990		4012
2991	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2992		4014
2993	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2994	require cf;	4016	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2996		4018
2997	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2998	cf::cfg_load;	4020	cf::reload_config;
2999		4021
3000	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3001	cf::load_extensions;	4023	cf::load_extensions;
3002		4024
		4025	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3006	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3009		4033
3010	warn "leaving sync_job";	4034	cf::_post_init 1;
3011		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3012	1	4038	1
3013	} or do {	4039	} or do {
3014	warn $@;	4040	error $@;
3015	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3016	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3017	};	4045	}
3018		4046
3019	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3020	};	4049	};
3021		4050
3022	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3023		4052
3024	sub reload_perl() {	4053	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3027		4056
3028	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	4059
3031	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	4061	do_reload_perl;
3034	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3035	},	4063	};
3036	);	4064	};
3037	}	4065	}
3038		4066
3039	register_command "reload" => sub {	4067	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3041		4069
3042	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	4074	reload_perl;
		4075	};
3045	}	4076	}
3046	};	4077	};
3047		4078
3048	unshift @INC, $LIBDIR;	4079	#############################################################################
3049		4080
3050	my $bug_warning = 0;	4081	my $bug_warning = 0;
3051		4082
3052	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;
3054
3055	sub wait_for_tick {	4083	sub wait_for_tick() {
3056	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3057	return if $Coro::current == $Coro::main;
3058		4085
3059	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3060	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;
3062	}	4087	}
3063		4088
3064	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3065	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3066	return if $Coro::current == $Coro::main;
3067		4091
3068	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	4094	$signal->wait;
3071	}	4095	}
3072		4096
3073	my $min = 1e6;#d#	4097	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3085	return;	4101	return;
3086	}	4102	}
3087		4103
3088	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3089		4105
3090	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3091		4107
3092	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3094	my $t = Event::time;	4110	Coro::async_pool {
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
3096	or die;	4112	write_runtime_sync
3097		4113	or error "ERROR: unable to write runtime file: $!";
3098	$map->width (50);
3099	$map->height (50);
3100	$map->alloc;
3101	$map->_load_objects ("/tmp/x.map", 1);
3102	my $t = Event::time - $t;
3103
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	4114	};
		4115	}
3114		4116
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	4118	$sig->send;
3131	}	4119	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3133	$sig->send;
3134	}
3135		4121
3136	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		4124
3147	_post_tick;	4125	if (0) {
3148		4126	if ($NEXT_TICK) {
3149		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3150	},	4131	}
3151	);	4132	}
3152		4133
3153	{	4134	{
3154	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	4136
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3164		4138	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		4140
3180	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		4148
3183	cf::sync_job {	4149	cf::sync_job {
3184	eval {	4150	eval {
3185	BDB::db_env_open	4151	BDB::db_env_open
3186	$DB_ENV,	4152	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4156	0666;
3191		4157
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	4159	};
3197		4160
3198	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4162	};
3200	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3201	}	4174	}
3202		4175
3203	{	4176	{
		4177	# configure IO::AIO
		4178
3204	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	4182	}
3217		4183
3218	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3219		4186
3220	sub _log_backtrace {	4187	sub _log_backtrace {
3221	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3222		4189
3223	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3224		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3225	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3227	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3228	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3229	my @bt = fork_call {	4203	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3241	}	4215	}
3242		4216
3243	@funcs	4217	@funcs
3244	};	4218	};
3245		4219
3246	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4223	--$_log_backtrace;
3249	};	4224	};
3250	} else {	4225	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3253	}	4228	}
3254	}	4229	}
3255		4230
3256	# load additional modules	4231	# load additional modules
3257	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3258		4234
3259	END { cf::emergency_save }	4235	END { cf::emergency_save }
3260		4236
3261	1	4237	1
3262		4238

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