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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
54	our %EXTICMD = ();	88	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
57		91
58	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
60		96
61	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
62	our $DATADIR = datadir;	99	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
66	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
71	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;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	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;
78	our $NOW;	138	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off
80		139
81	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
82	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
83
84	our %CFG;
85
86	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;
88
89	our %PLAYER; # all users
90	our %MAP; # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
92		143
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		146
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
98	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
99		159
100	binmode STDOUT;	160	binmode STDOUT;
101	binmode STDERR;	161	binmode STDERR;
102		162
103	# read virtual server time, if available	163	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
108	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
109		171
110	mkdir $_	172	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		174
113	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
114		176
115	sub cf::map::normalise;	177	sub cf::map::normalise;
116		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
117	#############################################################################	183	#############################################################################
118		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
119	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
120		197
121	=over 4	198	=over 4
122		199
123	=item $cf::UPTIME	200	=item $cf::UPTIME
124		201
125	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.
126		218
127	=item $cf::RUNTIME	219	=item $cf::RUNTIME
128		220
129	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
130	every server tick.	222	every server tick.
…		…
136	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
138	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
139	database environment.	231	database environment.
140		232
141	=item $cf::NOW
142
143	The time of the last (current) server tick.
144
145	=item $cf::TICK
146
147	The interval between server ticks, in seconds.
148
149	=item $cf::LOADAVG	233	=item $cf::LOADAVG
150		234
151	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
152	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
153	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
156		240
157	The raw value load value from the last tick.	241	The raw value load value from the last tick.
158		242
159	=item %cf::CFG	243	=item %cf::CFG
160		244
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	246	from wherever your confdir points to.
163		247
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		249
166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
167	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
169		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
170	=back	283	=back
171		284
172	=cut	285	=cut
173		286
174	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
175	*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 {
176	my $msg = join "", @_;	294	my $msg = join "", @_;
177		295
178	$msg .= "\n"	296	$msg .= "\n"
179	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
180		298
181	$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;
182		300
183	utf8::encode $msg;
184	LOG llevError, $msg;	301	LOG llevWarn, $msg;
185	};	302	};
186	}	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	};
187		317
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	328	for my $pkg (qw(
199	cf::global cf::attachable	329	cf::global cf::attachable
200	cf::object cf::object::player	330	cf::object cf::object::player
201	cf::client cf::player	331	cf::client cf::player
202	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
203	cf::map cf::party cf::region	334	cf::party cf::region
204	)) {	335	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	337	}
208		338
209	$Event::DIED = sub {	339	$EV::DIED = sub {
210	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
211	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
212		347
213	#############################################################################	348	#############################################################################
214		349
215	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
216		351
…		…
237	$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;
238	$d	373	$d
239	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
240	}	375	}
241		376
242	use JSON::XS ();	377	=item $scalar = load_file $path
243		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
244	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
245		392
246	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
247		394
248	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
249		396
250	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
251		398
252	=cut	399	=cut
253		400
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		402
256	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		467
259	=item cf::lock_wait $string	468	=item cf::lock_wait $string
260		469
261	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
262		471
263	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
264		473
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
268	returned.	477	returned.
269		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
270	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
271	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
272		484
273	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
274		486
275	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.
276		488
277	=cut	489	=cut
278		490
279	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
280		492
281	sub lock_wait($) {	493	sub lock_wait($) {
282	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	495	}
290		496
291	sub lock_acquire($) {	497	sub lock_acquire($) {
292	my ($key) = @_;	498	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	499	}
304		500
305	sub lock_active($) {	501	sub lock_active($) {
306	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	503	}
310		504
311	sub freeze_mainloop {	505	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
313		507
314	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
315	$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	}
316	};	578	}
317	$TICK_WATCHER->stop;	579	};
318	$guard	580
		581	sub get_slot($;$$) {
		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;
319	}	594	}
320		595
321	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
322		597
323	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		603
329	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
330		605
331	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
332		607
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
334	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
335	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
336	acceptable.	611	acceptable.
337		612
338	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
339	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
…		…
343	=cut	618	=cut
344		619
345	sub sync_job(&) {	620	sub sync_job(&) {
346	my ($job) = @_;	621	my ($job) = @_;
347		622
348	if ($Coro::current == $Coro::main) {	623	if (in_main) {
349	my $time = Event::time;	624	my $time = AE::time;
350		625
351	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
353		628
354	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	630
356	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
357		632
358	my $busy = 1;	633	my $busy = 1;
359	my @res;	634	my @res;
360		635
361	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	638	@res = eval { $job->() };
363	warn $@ if $@;	639	error $@ if $@;
364	undef $busy;	640	undef $busy;
365	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
366		642
367	while ($busy) {	643	while ($busy) {
368	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
369	}	648	}
		649	}
370		650
371	$time = Event::time - $time;	651	my $time = AE::time - $time;
372		652
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
377		654
378	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
379	} else {	656	} else {
380	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
381		658
…		…
401	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
402		679
403	$coro	680	$coro
404	}	681	}
405		682
406	=item fork_call { }, $args	683	=item fork_call { }, @args
407		684
408	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
409	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
412		689
413	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
414		695
415	sub fork_call(&@) {	696	sub fork_call(&@) {
416	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
417		698
418	# 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,
419	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		702
423	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
424	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
425		707
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
427	$res = Coro::Storable::thaw $res;	709	}
428		710
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	eval {
439	close $fh1;
440
441	my @res = eval { $cb->(@args) };
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
443	};
444
445	warn $@ if $@;
446	_exit 0;
447	}	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
448	}	747	}
449		748
450	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
451		750
452	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
455		754
456	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
457	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).
458		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
459	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
460		784
461	our $DB;	785	our $DB;
462		786
463	sub db_init {	787	sub db_init {
464	unless ($DB) {	788	$DB ||= db_table "db";
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {
468	eval {
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}
478	}	789	}
479		790
480	sub db_get($$) {	791	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
482		793
483	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
484	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
485		798
486	$! ? ()	799	$! ? ()
487	: $data	800	: $data
488	}
489	}	801	}
490		802
491	sub db_put($$$) {	803	sub db_put($$$) {
492	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
521		833
522	my @data;	834	my @data;
523	my $md5;	835	my $md5;
524		836
525	for (0 .. $#$src) {	837	for (0 .. $#$src) {
526	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
527	or Carp::croak "$src->[$_]: $!";
528	}	839	}
529		840
530	# if processing is expensive, check	841	# if processing is expensive, check
531	# checksum first	842	# checksum first
532	if (1) {	843	if (1) {
533	$md5 =	844	$md5 =
534	join "\x00",	845	join "\x00",
535	$processversion,	846	$processversion,
536	map {	847	map {
537	Coro::cede;	848	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	850	} 0.. $#$src;
540		851
541		852
542	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
549		860
550	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
551	my $data = $process->(\@data);	862	my $data = $process->(\@data);
552	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
553		864
554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
555		866
556	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
557	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
558	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
559		870
…		…
569		880
570	=cut	881	=cut
571		882
572	sub datalog($@) {	883	sub datalog($@) {
573	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
575	}	886	}
576		887
577	=back	888	=back
578		889
579	=cut	890	=cut
580		891
581	#############################################################################	892	#############################################################################
582		893
583	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
584		895
585	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
586	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")
587	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
588		899
589	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>
590	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
591	Crossfire TRT).	902	Deliantra).
592		903
593	=over 4	904	=over 4
594		905
595	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
596		907
…		…
640	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
641		952
642	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
643	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
644		955
645	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
646	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.
647		958
648	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
649		960
650	=over 4	961	=over 4
…		…
774		1085
775	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
776	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
777		1088
778	} elsif (ref $type) {	1089	} elsif (ref $type) {
779	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
780		1091
781	} else {	1092	} else {
782	shift @arg;	1093	shift @arg;
783	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
784	}	1095	}
785	}	1096	}
786	}	1097	}
787		1098
788	sub _object_attach {	1099	sub _object_attach {
…		…
798	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
799	}	1110	}
800		1111
801	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
802	} else {	1113	} else {
803	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
804	}	1115	}
805		1116
806	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
807	}	1118	}
808		1119
…		…
848	";	1159	";
849	die if $@;	1160	die if $@;
850	}	1161	}
851		1162
852	our $override;	1163	our $override;
853	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?
854		1165
855	sub override {	1166	sub override {
856	$override = 1;	1167	$override = 1;
857	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
858	}	1169	}
859		1170
860	sub do_invoke {	1171	sub do_invoke {
861	my $event = shift;	1172	my $event = shift;
862	my $callbacks = shift;	1173	my $callbacks = shift;
863		1174
864	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
865		1176
866	local $override;	1177	local $override;
867		1178
868	for (@$callbacks) {	1179	for (@$callbacks) {
869	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
870		1181
871	if ($@) {	1182	if ($@) {
872	warn "$@";
873	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
874	override;	1184	override;
875	}	1185	}
876		1186
877	return 1 if $override;	1187	return 1 if $override;
878	}	1188	}
879		1189
880	0	1190	0
881	}	1191	}
882		1192
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1194
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1196
887	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
888		1198
889	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
890	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
891	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1202
893	=back	1203	=back
894		1204
895	=cut	1205	=cut
896		1206
897	#############################################################################	1207	#############################################################################
898	# 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, $ob2
		1250	}
899		1251
900	sub reattach {	1252	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1254	my ($obj) = @_;
903		1255
		1256	# no longer needed after getting rid of delete_package?
904	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
905		1258
906	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
907		1260
908	@$registry = ();	1261	@$registry = ();
909		1262
…		…
914	for (@$attach) {	1267	for (@$attach) {
915	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
916	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
917	}	1270	}
918	} else {	1271	} else {
919	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
920	}	1273	}
921	}	1274	}
922	}	1275	}
923		1276
924	cf::attachable->attach (	1277	cf::attachable->attach (
925	prio => -1000000,	1278	prio => -1000000,
926	on_instantiate => sub {	1279	on_instantiate => sub {
927	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
928		1281
929	$data = from_json $data;	1282	$data = decode_json $data;
930		1283
931	for (@$data) {	1284	for (@$data) {
932	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
933		1286
934	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1303	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
952		1305
953	sync_job {	1306	sync_job {
954	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
957		1312
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	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	}
962	close $fh;	1320	aio_close $fh;
963		1321
964	if (@$objs) {	1322	if (@$objs) {
965	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) {
966	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
969	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	}
970	close $fh;	1331	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
972	}	1333	}
973	} else {	1334	} else {
974	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
975	}	1336	}
976		1337
977	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1342	} else {
979	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
980	}	1344	}
981	} else {	1345	} else {
982	aio_unlink $filename;	1346	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
984	}	1348	}
985	}	1349	};
986	}	1350	}
987		1351
988	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
990		1354
…		…
1002	or return;	1366	or return;
1003		1367
1004	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1370	or return;
		1371
1007	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1008	}	1374	}
1009		1375
		1376	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1012	return ($data, $av);	1381	($data, $av)
1013	}	1382	}
1014		1383
1015	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1016		1385
1017	=over 4	1386	=over 4
…		…
1071	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1072		1441
1073	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1074	}	1443	}
1075		1444
		1445	use File::Glob ();
		1446
1076	cf::player->attach (	1447	cf::player->attach (
1077	on_command => sub {	1448	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1079		1450
1080	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1081	or return;	1452	or return;
1082		1453
…		…
1087	cf::override;	1458	cf::override;
1088	},	1459	},
1089	on_extcmd => sub {	1460	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1091		1462
1092	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1464
1094	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1100	} else {	1480	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1482	}
1103		1483
1104	cf::override;	1484	cf::override;
1105	},	1485	},
1106	);	1486	);
1107		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1108	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1109	cf::sync_job {	1504	cf::sync_job {
1110	my %todo;	1505	my %todo;
1111		1506
1112	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1113	next unless -r $path;	1508	next unless -r $path;
…		…
1131		1526
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1529
1135	$ext{source} =	1530	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1137	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1138	. $source	1533	. $source
1139	. "\n};\n1";	1534	. "\n};\n1";
1140		1535
1141	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1142	}	1537	}
1143		1538
		1539	my $pass = 0;
1144	my %done;	1540	my %done;
1145	while (%todo) {	1541	while (%todo) {
1146	my $progress;	1542	my $progress;
1147		1543
		1544	++$pass;
		1545
		1546	ext:
1148	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1549	next ext
1151	unless exists $done{$_};	1550	unless exists $done{$_};
1152	}	1551	}
1153		1552
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1554
1156	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1161	warn $msg;	1562
1162	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1163	exit 1;	1564	delete $todo{$k};
1164	}	1565	} else {
1165		1566	$done{$k} = delete $todo{$k};
1166	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1167	}	1572	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1573	}
1173		1574
1174	skip:	1575	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1177	}	1585	}
1178	};	1586	};
1179	}	1587	}
1180		1588
1181	#############################################################################	1589	#############################################################################
1182		1590
1183	=back	1591	=back
1184		1592
1185	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1186		1594
1187	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1188		1596
1189	=cut	1597	=cut
1190		1598
1191	package cf::player;	1599	package cf::player;
1192		1600
1193	use Coro::AIO;	1601	use Coro::AIO;
1194		1602
1195	=head3 cf::player	1603	=head3 cf::player
1196		1604
1197	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1198		1620
1199	=item cf::player::find $login	1621	=item cf::player::find $login
1200		1622
1201	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1202		1624
…		…
1221		1643
1222	sub exists($) {	1644	sub exists($) {
1223	my ($login) = @_;	1645	my ($login) = @_;
1224		1646
1225	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1227	}	1649	}
1228		1650
1229	sub find($) {	1651	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1653	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1664
1243	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1244	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1245	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1246	}	1674	}
1247	}	1675	}
1248	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1249		1690
1250	sub save($) {	1691	sub save($) {
1251	my ($pl) = @_;	1692	my ($pl) = @_;
1252		1693
1253	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1259		1700
1260	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1262		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1263	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1264	Coro::cede;	1710	cf::cede_to_tick;
1265	}	1711	}
1266		1712
1267	sub new($) {	1713	sub new($) {
1268	my ($login) = @_;	1714	my ($login) = @_;
1269		1715
…		…
1275	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1276		1722
1277	$self	1723	$self
1278	}	1724	}
1279		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1280	=item $pl->quit_character	1736	=item $pl->quit_character
1281		1737
1282	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1284		1740
…		…
1288	my ($pl) = @_;	1744	my ($pl) = @_;
1289		1745
1290	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1291		1747
1292	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1750
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1296	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1298	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1299		1759
1300	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1302	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1337	or return [];	1797	or return [];
1338		1798
1339	my @logins;	1799	my @logins;
1340		1800
1341	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1345		1811
1346	utf8::decode $login;	1812	utf8::decode $login;
1347	push @logins, $login;	1813	push @logins, $login;
1348	}	1814	}
1349		1815
1350	\@logins	1816	\@logins
1351	}	1817	}
1352		1818
1353	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1354		1822
1355	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1356	player. May block.	1824	player. May block.
1357		1825
1358	=cut	1826	=cut
…		…
1376	}	1844	}
1377		1845
1378	\@paths	1846	\@paths
1379	}	1847	}
1380		1848
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1850
1383	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1384		1852
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1415		1854
1416	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1417		1856
1418	=cut	1857	=cut
1419		1858
1420	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1422		1861
1423	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1863	}
1426		1864
1427	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1428		1866
1429	Sends an ext event to the client.	1867	Sends an ext event to the client.
1430		1868
1431	=cut	1869	=cut
1432		1870
1433	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1435		1873
1436	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1437	}	1875	}
1438		1876
1439	=head3 cf::region	1877	=head3 cf::region
1440		1878
1441	=over 4	1879	=over 4
…		…
1451	=cut	1889	=cut
1452		1890
1453	sub find_by_path($) {	1891	sub find_by_path($) {
1454	my ($path) = @_;	1892	my ($path) = @_;
1455		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1456	my ($match, $specificity);	1896	my ($match, $specificity);
1457		1897
1458	for my $region (list) {	1898	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1462	}	1902	}
1463	}	1903	}
1464		1904
…		…
1485	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1487		1927
1488	sub generate_random_map {	1928	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1490	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1491	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1499	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1500	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1502	(cf::region::find $rmp->{region}), $rmp->{custom}
1503	)
1504	}	1934	}
1505		1935
1506	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1507		1937
1508	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1513		1943
1514	sub register {	1944	sub register {
1515	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1516	my $pkg = caller;	1946	my $pkg = caller;
1517		1947
1518	no strict;
1519	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1520		1949
1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1522	}	1951	}
1523		1952
1524	# also paths starting with '/'	1953	# also paths starting with '/'
1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1526		1955
1527	sub thawer_merge {	1956	sub thawer_merge {
1528	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1529		1958
1530	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1535	}	1964	}
1536		1965
1537	sub normalise {	1966	sub normalise {
1538	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1539		1968
1540	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1541		1970
1542	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1543		1972
1544	# map plan:	1973	# map plan:
1545	#	1974	#
…		…
1560	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1561	$path = "$base/$path";	1990	$path = "$base/$path";
1562	}	1991	}
1563		1992
1564	for ($path) {	1993	for ($path) {
1565	redo if s{//}{/};
1566	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1567	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1568	}	1996	}
1569		1997
1570	$path	1998	$path
…		…
1584	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1585	return $self;	2013	return $self;
1586	}	2014	}
1587	}	2015	}
1588		2016
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1590	()	2018	()
1591	}	2019	}
1592		2020
		2021	# may re-bless or do other evil things
1593	sub init {	2022	sub init {
1594	my ($self) = @_;	2023	my ($self) = @_;
1595		2024
1596	$self	2025	$self
1597	}	2026	}
…		…
1616		2045
1617	# the temporary/swap location	2046	# the temporary/swap location
1618	sub save_path {	2047	sub save_path {
1619	my ($self) = @_;	2048	my ($self) = @_;
1620		2049
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1623	}	2052	}
1624		2053
1625	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1626	sub uniq_path {	2055	sub uniq_path {
1627	my ($self) = @_;	2056	my ($self) = @_;
1628		2057
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	2060	}
1641		2061
1642	sub decay_objects {	2062	sub decay_objects {
1643	my ($self) = @_;	2063	my ($self) = @_;
1644		2064
…		…
1657		2077
1658	sub load_header_from($) {	2078	sub load_header_from($) {
1659	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1660		2080
1661	utf8::encode $path;	2081	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	2083	or return;
1667		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1668	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1669		2092
1670	1	2093	1
1671	}	2094	}
1672		2095
		2096	# used to laod the header of an original map
1673	sub load_header_orig {	2097	sub load_header_orig {
1674	my ($self) = @_;	2098	my ($self) = @_;
1675		2099
1676	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1677	}	2101	}
1678		2102
		2103	# used to laod the header of an instantiated map
1679	sub load_header_temp {	2104	sub load_header_temp {
1680	my ($self) = @_;	2105	my ($self) = @_;
1681		2106
1682	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1683	}	2108	}
1684		2109
		2110	# called after loading the header from an instantiated map
1685	sub prepare_temp {	2111	sub prepare_temp {
1686	my ($self) = @_;	2112	my ($self) = @_;
1687		2113
1688	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1689	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1690	# safety	2116	# safety
1691	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1692	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1693	}	2119	}
1694		2120
		2121	# called after loading the header from an original map
1695	sub prepare_orig {	2122	sub prepare_orig {
1696	my ($self) = @_;	2123	my ($self) = @_;
1697		2124
1698	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1699	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1723		2150
1724	sub find;	2151	sub find;
1725	sub find {	2152	sub find {
1726	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1727		2154
		2155	cf::cede_to_tick;
		2156
1728	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1729		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2161
1732	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1735	or return;	2164	or return;
1736		2165
1737	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1738		2167
…		…
1740	or return;	2169	or return;
1741		2170
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1745	$map->reset;	2176	$map->reset;
1746	undef $guard;
1747	return find $path;	2177	return find $path;
1748	}	2178	}
1749		2179
1750	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1751	}	2181	}
1752	}	2182	}
1753		2183
1754	sub pre_load { }	2184	sub pre_load { }
1755	sub post_load { }	2185	#sub post_load { } # XS
1756		2186
1757	sub load {	2187	sub load {
1758	my ($self) = @_;	2188	my ($self) = @_;
1759		2189
1760	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1761		2191
1762	my $path = $self->{path};	2192	my $path = $self->{path};
1763		2193
1764	{	2194	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1766		2196
		2197	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1768
1769	$self->in_memory (cf::MAP_LOADING);
1770		2199
1771	$self->alloc;	2200	$self->alloc;
1772		2201
1773	$self->pre_load;	2202	$self->pre_load;
1774	Coro::cede;	2203	cf::cede_to_tick;
1775		2204
1776	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1777	or return;	2209	or return;
1778		2210
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1780	if delete $self->{load_original};	2212	if delete $self->{load_original};
1781		2213
1782	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2215	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2218	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1787	}	2223	}
1788	}
1789		2224
1790	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1791	# now do the right thing for maps	2234	# now do the right thing for maps
1792	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2237	unless $self->difficulty;
1795	Coro::cede;	2238	cf::cede_to_tick;
1796		2239
1797	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2241	$self->decay_objects;
1799	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1800	$self->update_buttons;	2243	$self->update_buttons;
1801	Coro::cede;	2244	cf::cede_to_tick;
1802	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1803	Coro::cede;
1804	$self->activate;
1805	}	2246	}
1806		2247
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1808	}	2250	}
1809		2251
1810	$self->post_load;	2252	$self->post_load;
1811	}
1812		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2260	sub customise_for {
1814	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1815		2262
1816	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2264	if $self->per_player;
…		…
1820	# if $self->per_party;	2267	# if $self->per_party;
1821		2268
1822	$self	2269	$self
1823	}	2270	}
1824		2271
1825	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {
1827	my ($map) = @_;
1828
1829	my @diag; # diagonal neighbours
1830
1831	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)
1833	or next;
1834	$neigh = find $neigh, $map
1835	or next;
1836	$neigh->load;
1837
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}
1841
1842	for (@diag) {
1843	my $neigh = find @$_
1844	or next;
1845	$neigh->load;
1846	}
1847	}
1848
1849	sub find_sync {	2272	sub find_sync {
1850	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1851		2274
1852	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1853	}	2280	}
1854		2281
1855	sub do_load_sync {	2282	sub do_load_sync {
1856	my ($map) = @_;	2283	my ($map) = @_;
1857		2284
1858	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1859	}	2290	}
1860		2291
1861	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1863		2294
1864	sub find_async {	2295	sub find_async {
1865	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1866		2297
1867	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1868		2299
1869	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1871	}	2302	}
1872		2303
1873	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1874	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1875	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2311	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2312	$map->load if $v;
		2313	}
1880		2314
1881	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1882	}	2316	}
1883	}	2317	}
1884	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1885	};	2319	};
1886	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1887		2321
1888	()	2322	()
1889	}	2323	}
1890		2324
		2325	# common code, used by both ->save and ->swapout
1891	sub save {	2326	sub _save {
1892	my ($self) = @_;	2327	my ($self) = @_;
1893
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;
1895		2328
1896	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1897		2330
1898	return unless $self->dirty;	2331	return unless $self->dirty;
1899		2332
…		…
1905	return if $self->{deny_save};	2338	return if $self->{deny_save};
1906		2339
1907	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1908		2341
1909	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1911	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1912		2348
1913	if ($uniq) {	2349	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2352	} else {
1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1918	}	2354	}
1919	}	2355	}
1920		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1921	sub swap_out {	2365	sub swap_out {
1922	my ($self) = @_;	2366	my ($self) = @_;
1923		2367
1924	# save first because save cedes
1925	$self->save;
1926
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1929	return if $self->players;	2372	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;
1931	return if $self->{deny_save};
1932		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1933	$self->clear;	2383	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2384	}
1936		2385
1937	sub reset_at {	2386	sub reset_at {
1938	my ($self) = @_;	2387	my ($self) = @_;
1939		2388
…		…
1957		2406
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2408
1960	return if $self->players;	2409	return if $self->players;
1961		2410
1962	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
1963		2412
1964	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1965		2414
1966	# need to save uniques path	2415	# need to save uniques path
1967	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1968	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1969		2418
…		…
1971	if $uniq;	2420	if $uniq;
1972	}	2421	}
1973		2422
1974	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1975		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2427	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2428
1980	$self->unlink_save;	2429	$self->unlink_save;
1981	$self->destroy;	2430	$self->destroy;
1982	}	2431	}
1983		2432
1984	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1985		2434
1986	sub nuke {	2435	sub nuke {
1987	my ($self) = @_;	2436	my ($self) = @_;
1988		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1989	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1990		2442
1991	$self->unlink_save;	2443	$self->unlink_save;
1992		2444
1993	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1994	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2450
1999	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
2000		2453
2001	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
2002	}	2455	}
2003		2456
2004	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
2046		2499
2047	sub unique_maps() {	2500	sub unique_maps() {
2048	[	2501	[
2049	map {	2502	map {
2050	utf8::decode $_;	2503	utf8::decode $_;
2051	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2052	? normalise $_	2507	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2509	]
2056	}	2510	}
2057		2511
2058	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2059		2543
2060	=back	2544	=back
2061		2545
2062	=head3 cf::object	2546	=head3 cf::object
2063		2547
…		…
2067		2551
2068	=over 4	2552	=over 4
2069		2553
2070	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2071		2555
2072	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2073		2558
2074	=cut	2559	=cut
2075		2560
2076	sub inv_recursive_;	2561	sub inv_recursive_;
2077	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2080		2565
2081	sub inv_recursive {	2566	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2083	}	2568	}
2084		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
2085	package cf;	2598	package cf;
2086		2599
2087	=back	2600	=back
2088		2601
2089	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2098		2611
2099	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
2100		2627
2101	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2629	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2111		2638
2112	} else {	2639	} else {
2113	my $pl = $self->contr;	2640	my $pl = $self->contr;
2114		2641
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2645
2124	} else {	2646	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2649	}
2128	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
2129	}	2661	}
2130		2662
2131	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
2132		2664
2133	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
2146		2678
2147	=item $player_object->enter_link	2679	=item $player_object->enter_link
2148		2680
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2682
2151	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2153		2687
2154	Will never block.	2688	Will never block.
2155		2689
2156	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2157		2691
…		…
2177	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2178	my ($self) = @_;	2712	my ($self) = @_;
2179		2713
2180	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2181		2715
		2716	++$self->{_link_recursion};
		2717
2182	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2183		2719
2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2185	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2186		2722
2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2188	}	2724	}
2189		2725
2190	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2191	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2192		2728
…		…
2209	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2211		2747
2212	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2215		2751
2216	$map->load;	2752	$map->load;
2217	$map->load_diag;
2218		2753
2219	return unless $self->contr->active;	2754	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2755
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2224	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2225		2763
		2764	}
		2765
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2227		2767
2228	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
2232		2776
2233	=cut	2777	=cut
2234		2778
2235	our $GOTOGEN;	2779	our $GOTOGEN;
2236		2780
2237	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2239		2789
2240	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2792
2243	$self->enter_link;	2793	$self->enter_link;
2244		2794
2245	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
2246	my $map = eval {	2817	my $map = eval {
2247	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2248		2819
2249	if ($map) {	2820	if ($map) {
2250	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2252	} else {	2823	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2825	}
2255		2826
2256	$map	2827	$map
2257	};	2828	};
2258		2829
…		…
2263		2834
2264	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2267	}	2838	}
		2839
		2840	$done->($self) if $done;
2268	})->prio (1);	2841	})->prio (1);
2269	}	2842	}
2270		2843
2271	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2272		2845
…		…
2292	}	2865	}
2293		2866
2294	sub prepare_random_map {	2867	sub prepare_random_map {
2295	my ($exit) = @_;	2868	my ($exit) = @_;
2296		2869
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2872	# that depends on the exit object
2302		2873
2303	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2876	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2310	}	2883	}
2311		2884
2312	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2313		2886
2314	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2317		2890
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2893	undef $fh;
2321	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2322		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2325	}	2902	}
2326	}	2903	}
2327		2904
2328	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2330		2907
2331	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2332		2909
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2910	$self->enter_link;
2345		2911
2346	(async {	2912	(async {
2347	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2348	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2349	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2350		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2351	1;	2951	1
2352	}) {	2952	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2357		2957
2358	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2359	$self->leave_link;	2959	$self->leave_link;
2360	}	2960	}
2361	})->prio (1);	2961	})->prio (1);
2362	}	2962	}
2363		2963
…		…
2377		2977
2378	utf8::encode $text;	2978	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2980	}
2381		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		3008
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	3010	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2388		3013
2389	=cut	3014	=cut
2390		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
2391	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2393		3132
2394	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2395		3135
2396	if ($self->can_msg) {	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		3137
2409	if ($color >= 0) {	3138	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	3139	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	3140	$channel = $CHANNEL{$channel};
2412	} else {	3141
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3142	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
2415	}	3150	}
2416	}
2417	}
2418	}
2419		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2420	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2421		3170
2422	Sends an ext event to the client.	3171	Sends an ext event to the client.
2423		3172
2424	=cut	3173	=cut
2425		3174
2426	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2428		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2431	}	3202	}
2432		3203
2433	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2434		3205
2435	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
…		…
2458		3229
2459	1	3230	1
2460	}	3231	}
2461		3232
2462	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2463	on_reply => sub {	3239	on_reply => sub {
2464	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2465		3241
2466	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2467	# get handled first	3243	# get handled first
…		…
2482	}	3258	}
2483	},	3259	},
2484	on_exticmd => sub {	3260	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3261	my ($ns, $buf) = @_;
2486		3262
2487	my $msg = eval { from_json $buf };	3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3264
2489	if (ref $msg) {	3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3273	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3274	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
2496	} else {	3280	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3282	}
2499		3283
2500	cf::override;	3284	cf::override;
2501	},	3285	},
2502	);	3286	);
…		…
2522		3306
2523	$coro	3307	$coro
2524	}	3308	}
2525		3309
2526	cf::client->attach (	3310	cf::client->attach (
2527	on_destroy => sub {	3311	on_client_destroy => sub {
2528	my ($ns) = @_;	3312	my ($ns) = @_;
2529		3313
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3315	},
2532	);	3316	);
…		…
2547	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2549		3333
2550	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2551		3335
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2553		3341
2554	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2555		3343
2556	=pod	3344	=pod
2557		3345
2558	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2559		3347
2560	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2561	cf::object::player player	3353	cf::object::player
2562	cf::player peaceful	3354	player
2563	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2564		3361
2565	=cut	3362	=cut
2566		3363
2567	for (	3364	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2572	) {	3371	) {
2573	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2576	for @funs;	3374	for @funs;
2577	}	3375	}
2578		3376
…		…
2593		3391
2594	my $qcode = $code;	3392	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2597		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2598	local $_;	3399	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3400
2601	my $eval =	3401	my $eval =
2602	"do {\n"	3402	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3405	. $code
2606	. "\n}"	3406	. "\n}"
2607	;	3407	;
2608		3408
		3409	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2612		3418
2613	if ($@) {	3419	if ($@) {
2614	warn "$@";	3420	warn "$@",
2615	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2616	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2617	}	3423	}
2618		3424
2619	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2620	}	3426	}
2621		3427
…		…
2635	=cut	3441	=cut
2636		3442
2637	sub register_script_function {	3443	sub register_script_function {
2638	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2639		3445
2640	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2642	}	3448	}
2643		3449
2644	=back	3450	=back
2645		3451
2646	=cut	3452	=cut
…		…
2649	# the server's init and main functions	3455	# the server's init and main functions
2650		3456
2651	sub load_facedata($) {	3457	sub load_facedata($) {
2652	my ($path) = @_;	3458	my ($path) = @_;
2653		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2654	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2655		3467
2656	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2657	0 < aio_load $path, $facedata
2658	or die "$path: $!";
2659
2660	$facedata = Coro::Storable::thaw $facedata;
2661		3469
2662	$facedata->{version} == 2	3470	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2665	{	3482	{
2666	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2667		3484
2668	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673	Coro::cede;	3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
2674	}	3495	}
2675		3496
2676	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2678	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2679	or next;	3501	or next;
		3502
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3506	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3508	}
2685	Coro::cede;	3509
		3510	cf::cede_to_tick;
2686	}	3511	}
2687	}	3512	}
2688		3513
2689	{	3514	{
2690	my $anims = $facedata->{animinfo};	3515	my $anims = $facedata->{animinfo};
2691		3516
2692	while (my ($anim, $info) = each %$anims) {	3517	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3519	cf::cede_to_tick;
2695	}	3520	}
2696		3521
2697	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2698	}	3523	}
2699		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2700	1	3544	1
2701	}	3545	}
2702		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
2703	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2704	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
2706	}	3577	}
2707		3578
2708	sub reload_facedata {	3579	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3580	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3581	or die "unable to load facedata\n";
…		…
2718	sub reload_treasures {	3589	sub reload_treasures {
2719	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2720	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2721	}	3592	}
2722		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2723	sub reload_resources {	3614	sub reload_resources {
2724	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2725		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2726	reload_regions;	3622	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3623	reload_treasures;
2731		3624
2732	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2733	}	3626	}
2734		3627
2735	sub init {	3628	sub reload_config {
2736	reload_resources;	3629	trace "reloading config file...\n";
2737	}
2738		3630
2739	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2741	or return;	3633	*CFG = decode_yaml $config;
2742		3634
2743	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;
2745
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2747		3636
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2750		3639
2751	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2755	};	3644	};
2756	warn $@ if $@;	3645	warn $@ if $@;
2757	}	3646	}
2758	}	3647	}
2759		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2760	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2761	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3690	(async {
2765	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2767	};	3694	};
2768		3695
2769	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2770	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2771	load_extensions;	3719	load_extensions;
2772		3720
2773	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2775	}	3739	}
2776		3740
2777	#############################################################################	3741	#############################################################################
2778	# initialisation and cleanup	3742	# initialisation and cleanup
2779		3743
2780	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2781	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2790	},
2791	);	3750	};
2792	}	3751	}
2793	}	3752	}
2794		3753
2795	sub write_runtime {	3754	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
2797		3756
2798	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
2800		3759
2801	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3761
2803	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
2804		3763
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3765	or return;
2807		3766
2808	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
2821		3780
2822	close $fh	3781	close $fh
2823	or return;	3782	or return;
2824		3783
2825	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3785	and return;
2827		3786
2828	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2829		3788
2830	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2831	}	3840	}
2832		3841
2833	sub emergency_save() {	3842	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2835		3844
2836	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2837		3851
2838	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2839	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3863	$pl->save;
2847	}	3864	}
2848	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2849		3866
2850	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	3872	$map->valid or next;
2854	$map->save;	3873	$map->save;
2855	}	3874	}
2856	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2857		3876
2858	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2861	};	3905	};
2862		3906
2863	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2864	}	3908	}
2865		3909
2866	sub post_cleanup {	3910	sub post_cleanup {
2867	my ($make_core) = @_;	3911	my ($make_core) = @_;
2868		3912
		3913	IO::AIO::flush;
		3914
2869	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
2871	}	3945	}
2872		3946
2873	sub do_reload_perl() {	3947	sub do_reload_perl() {
2874	# can/must only be called in main	3948	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2876	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2877	return;	3951	return;
2878	}	3952	}
2879		3953
2880	warn "reloading...";	3954	return if $RELOAD++;
2881		3955
2882	warn "entering sync_job";	3956	my $t1 = AE::time;
2883		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2884	cf::sync_job {	3964	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark
2886	cf::emergency_save;	3965	#cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark
2888		3966
2889	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;
2891
2892	# if anything goes wrong in here, we should simply crash as we already saved
2893
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;
2905	warn "iterate...";
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();	3969	%EXT_CORO = ();
2913		3970
2914	warn "removing commands";	3971	trace "perl_reload: removing commands";
2915	%COMMAND = ();	3972	%COMMAND = ();
2916		3973
2917	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
2918	%EXTCMD = ();	3975	%EXTCMD = ();
2919	%EXTICMD = ();	3976	%EXTICMD = ();
2920		3977
2921	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2924		3981
2925	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2926	eval {	3983	eval {
2927	$cb->($pkg);	3984	$cb->($pkg);
2928	1	3985	1
2929	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2930	}	3991	}
2931		3992
2932	warn "... nuking $pkg";
2933	Symbol::delete_package $pkg;
2934	}
2935
2936	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2937	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		3996
2940	warn "... unloading $k";	3997	trace "... unloading $k";
2941	delete $INC{$k};	3998	delete $INC{$k};
2942		3999
2943	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2945		4002
2946	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2947	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2948	}	4008	}
2949		4009
2950	Symbol::delete_package $k;
2951	}
2952
2953	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		4013
2957	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		4017
2961	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2962	# and global variables created in xs	4019	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2964		4021
2965	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2966		4023
2967	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2968	require cf;	4025	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2970		4027
2971	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2972	cf::cfg_load;	4029	cf::reload_config;
2973		4030
2974	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2975	cf::load_extensions;	4032	cf::load_extensions;
2976		4033
		4034	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2980	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2983		4042
2984	warn "leaving sync_job";	4043	cf::_post_init 1;
2985		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
2986	1	4047	1
2987	} or do {	4048	} or do {
2988	warn $@;	4049	error $@;
2989	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2990	exit 1;	4051	};
		4052
		4053	--$RELOAD;
2991	};	4054	}
2992		4055
2993	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
2994	};	4058	};
2995		4059
2996	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
2997		4061
2998	sub reload_perl() {	4062	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3001		4065
3002	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	4068
3005	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	4070	do_reload_perl;
3008	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3009	},	4072	};
3010	);	4073	};
3011	}	4074	}
3012		4075
3013	register_command "reload" => sub {	4076	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
3015		4078
3016	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	4083	reload_perl;
		4084	};
3019	}	4085	}
3020	};	4086	};
3021		4087
3022	unshift @INC, $LIBDIR;	4088	#############################################################################
3023		4089
3024	my $bug_warning = 0;	4090	my $bug_warning = 0;
3025		4091
3026	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;
3028
3029	sub wait_for_tick {	4092	sub wait_for_tick() {
3030	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3031	return if $Coro::current == $Coro::main;
3032		4094
3033	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3034	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;
3036	}	4096	}
3037		4097
3038	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3039	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3040	return if $Coro::current == $Coro::main;
3041		4100
3042	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	4103	$signal->wait;
3045	}	4104	}
3046		4105
3047	my $min = 1e6;#d#	4106	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3059	return;	4110	return;
3060	}	4111	}
3061		4112
3062	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
3063		4114
3064	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3065		4116
3066	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3067	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3068	my $t = Event::time;	4119	Coro::async_pool {
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
3070	or die;	4121	write_runtime_sync
3071		4122	or error "ERROR: unable to write runtime file: $!";
3072	$map->width (50);
3073	$map->height (50);
3074	$map->alloc;
3075	$map->_load_objects ("/tmp/x.map", 1);
3076	my $t = Event::time - $t;
3077
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	4123	};
		4124	}
3088		4125
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	4127	$sig->send;
3105	}	4128	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3107	$sig->send;
3108	}
3109		4130
3110	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		4133
3121	_post_tick;	4134	if (0) {
3122		4135	if ($NEXT_TICK) {
3123		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3124	},	4140	}
3125	);	4141	}
3126		4142
3127	{	4143	{
3128	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	4145
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3138		4147	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		4149
3154	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		4157
3157	cf::sync_job {	4158	cf::sync_job {
3158	eval {	4159	eval {
3159	BDB::db_env_open	4160	BDB::db_env_open
3160	$DB_ENV,	4161	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4165	0666;
3165		4166
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4168	};
3171		4169
3172	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4171	};
3174	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
3175	}	4183	}
3176		4184
3177	{	4185	{
		4186	# configure IO::AIO
		4187
3178	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4191	}
3191		4192
3192	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3193		4195
3194	sub _log_backtrace {	4196	sub _log_backtrace {
3195	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3196		4198
3197	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3198		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3199	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3201	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3202	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3203	my @bt = fork_call {	4212	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3215	}	4224	}
3216		4225
3217	@funcs	4226	@funcs
3218	};	4227	};
3219		4228
3220	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4232	--$_log_backtrace;
3223	};	4233	};
3224	} else {	4234	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3227	}	4237	}
3228	}	4238	}
3229		4239
3230	# load additional modules	4240	# load additional modules
3231	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3232		4243
3233	END { cf::emergency_save }	4244	END { cf::emergency_save }
3234		4245
3235	1	4246	1
3236		4247

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