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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
211		347
212	#############################################################################	348	#############################################################################
213		349
214	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
215		351
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	373	$d
238	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
239	}	375	}
240		376
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
242		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
243	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
244		392
245	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
246		394
247	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
248		396
249	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
250		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
251	=item cf::lock_wait $string	468	=item cf::lock_wait $string
252		469
253	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
254		471
255	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
256		473
257	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
260	returned.	477	returned.
261		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
262	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
264		484
265	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
266		486
267	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
268		488
269	=cut	489	=cut
270		490
271	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
272		492
273	sub lock_wait($) {	493	sub lock_wait($) {
274	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	495	}
282		496
283	sub lock_acquire($) {	497	sub lock_acquire($) {
284	my ($key) = @_;	498	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	499	}
296		500
297	sub lock_active($) {	501	sub lock_active($) {
298	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	503	}
302		504
303	sub freeze_mainloop {	505	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
305		507
306	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
308	};	578	}
309	$TICK_WATCHER->stop;	579	};
310	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
311	}	594	}
312		595
313	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
314		597
315	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		603
321	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
322		605
323	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
324		607
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	611	acceptable.
329		612
330	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	618	=cut
336		619
337	sub sync_job(&) {	620	sub sync_job(&) {
338	my ($job) = @_;	621	my ($job) = @_;
339		622
340	if ($Coro::current == $Coro::main) {	623	if (in_main) {
341	my $time = Event::time;	624	my $time = AE::time;
342		625
343	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
345		628
346	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	630
348	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
349		632
350	my $busy = 1;	633	my $busy = 1;
351	my @res;	634	my @res;
352		635
353	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	638	@res = eval { $job->() };
355	warn $@ if $@;	639	error $@ if $@;
356	undef $busy;	640	undef $busy;
357	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
358		642
359	while ($busy) {	643	while ($busy) {
360	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
361	}	648	}
		649	}
362		650
363	$time = Event::time - $time;	651	my $time = AE::time - $time;
364		652
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
369		654
370	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
371	} else {	656	} else {
372	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
373		658
…		…
393	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
394		679
395	$coro	680	$coro
396	}	681	}
397		682
398	=item fork_call { }, $args	683	=item fork_call { }, @args
399		684
400	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
404		689
405	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
406		695
407	sub fork_call(&@) {	696	sub fork_call(&@) {
408	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
409		698
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		702
415	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
416	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
417		707
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	709	}
420		710
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
440	}	747	}
441		748
442	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
443		750
444	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
447		754
448	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
451	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
452		784
453	our $DB;	785	our $DB;
454		786
455	sub db_init {	787	sub db_init {
456	unless ($DB) {	788	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	789	}
471		790
472	sub db_get($$) {	791	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
474		793
475	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
476	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
477		798
478	$! ? ()	799	$! ? ()
479	: $data	800	: $data
480	}
481	}	801	}
482		802
483	sub db_put($$$) {	803	sub db_put($$$) {
484	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		833
514	my @data;	834	my @data;
515	my $md5;	835	my $md5;
516		836
517	for (0 .. $#$src) {	837	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	839	}
521		840
522	# if processing is expensive, check	841	# if processing is expensive, check
523	# checksum first	842	# checksum first
524	if (1) {	843	if (1) {
525	$md5 =	844	$md5 =
526	join "\x00",	845	join "\x00",
527	$processversion,	846	$processversion,
528	map {	847	map {
529	Coro::cede;	848	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	850	} 0.. $#$src;
532		851
533		852
534	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		860
542	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	862	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
545		864
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		866
548	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
551		870
…		…
561		880
562	=cut	881	=cut
563		882
564	sub datalog($@) {	883	sub datalog($@) {
565	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	886	}
568		887
569	=back	888	=back
570		889
571	=cut	890	=cut
572		891
573	#############################################################################	892	#############################################################################
574		893
575	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
576		895
577	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
580		899
581	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	902	Deliantra).
584		903
585	=over 4	904	=over 4
586		905
587	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
588		907
…		…
632	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
633		952
634	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
636		955
637	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
639		958
640	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
641		960
642	=over 4	961	=over 4
…		…
766		1085
767	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1088
770	} elsif (ref $type) {	1089	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
772		1091
773	} else {	1092	} else {
774	shift @arg;	1093	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
776	}	1095	}
777	}	1096	}
778	}	1097	}
779		1098
780	sub _object_attach {	1099	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
791	}	1110	}
792		1111
793	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
794	} else {	1113	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1115	}
797		1116
798	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
799	}	1118	}
800		1119
…		…
840	";	1159	";
841	die if $@;	1160	die if $@;
842	}	1161	}
843		1162
844	our $override;	1163	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1165
847	sub override {	1166	sub override {
848	$override = 1;	1167	$override = 1;
849	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
850	}	1169	}
851		1170
852	sub do_invoke {	1171	sub do_invoke {
853	my $event = shift;	1172	my $event = shift;
854	my $callbacks = shift;	1173	my $callbacks = shift;
855		1174
856	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
857		1176
858	local $override;	1177	local $override;
859		1178
860	for (@$callbacks) {	1179	for (@$callbacks) {
861	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
862		1181
863	if ($@) {	1182	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1184	override;
867	}	1185	}
868		1186
869	return 1 if $override;	1187	return 1 if $override;
870	}	1188	}
871		1189
872	0	1190	0
873	}	1191	}
874		1192
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1194
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1196
879	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
880		1198
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1202
885	=back	1203	=back
886		1204
887	=cut	1205	=cut
888		1206
889	#############################################################################	1207	#############################################################################
890	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
891		1251
892	sub reattach {	1252	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1254	my ($obj) = @_;
895		1255
		1256	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1258
898	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
899		1260
900	@$registry = ();	1261	@$registry = ();
901		1262
…		…
906	for (@$attach) {	1267	for (@$attach) {
907	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
909	}	1270	}
910	} else {	1271	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1273	}
913	}	1274	}
914	}	1275	}
915		1276
916	cf::attachable->attach (	1277	cf::attachable->attach (
917	prio => -1000000,	1278	prio => -1000000,
918	on_instantiate => sub {	1279	on_instantiate => sub {
919	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
920		1281
921	$data = from_json $data;	1282	$data = decode_json $data;
922		1283
923	for (@$data) {	1284	for (@$data) {
924	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
925		1286
926	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1303	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
944		1305
945	sync_job {	1306	sync_job {
946	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
949		1312
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
954	close $fh;	1320	aio_close $fh;
955		1321
956	if (@$objs) {	1322	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
962	close $fh;	1331	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
964	}	1333	}
965	} else {	1334	} else {
966	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
967	}	1336	}
968		1337
969	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1342	} else {
971	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
972	}	1344	}
973	} else {	1345	} else {
974	aio_unlink $filename;	1346	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
976	}	1348	}
977	}	1349	};
978	}	1350	}
979		1351
980	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
982		1354
…		…
994	or return;	1366	or return;
995		1367
996	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
998	or return;	1370	or return;
		1371
999	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1000	}	1374	}
1001		1375
		1376	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1004	return ($data, $av);	1381	($data, $av)
1005	}	1382	}
1006		1383
1007	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1008		1385
1009	=over 4	1386	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1407	}
1031		1408
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1410
1034	Register a callback fro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
1035		1416
1036	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
1037	called.	1418	called.
1038		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
1039	=cut	1431	=cut
1040		1432
1041	sub register_extcmd {	1433	sub register_extcmd {
1042	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
1043		1435
1044	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
1045	}	1437	}
1046		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
1047	cf::player->attach (	1447	cf::player->attach (
1048	on_command => sub {	1448	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1050		1450
1051	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1052	or return;	1452	or return;
1053		1453
…		…
1058	cf::override;	1458	cf::override;
1059	},	1459	},
1060	on_extcmd => sub {	1460	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1062		1462
1063	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1464
1065	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
1071	} else {	1477	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1479	}
1074		1480
1075	cf::override;	1481	cf::override;
1076	},	1482	},
1077	);	1483	);
1078		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1079	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1080	cf::sync_job {	1501	cf::sync_job {
1081	my %todo;	1502	my %todo;
1082		1503
1083	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1505	next unless -r $path;
…		…
1102		1523
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1526
1106	$ext{source} =	1527	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1109	. $source	1530	. $source
1110	. "\n};\n1";	1531	. "\n};\n1";
1111		1532
1112	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1113	}	1534	}
1114		1535
		1536	my $pass = 0;
1115	my %done;	1537	my %done;
1116	while (%todo) {	1538	while (%todo) {
1117	my $progress;	1539	my $progress;
1118		1540
		1541	++$pass;
		1542
		1543	ext:
1119	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1546	next ext
1122	unless exists $done{$_};	1547	unless exists $done{$_};
1123	}	1548	}
1124		1549
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1551
1127	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1132	warn $msg;	1559
1133	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1561	delete $todo{$k};
1135	}	1562	} else {
1136		1563	$done{$k} = delete $todo{$k};
1137	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1138	}	1569	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1570	}
1144		1571
1145	skip:	1572	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1148	}	1582	}
1149	};	1583	};
1150	}	1584	}
1151		1585
1152	#############################################################################	1586	#############################################################################
1153		1587
1154	=back	1588	=back
1155		1589
1156	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1157		1591
1158	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1159		1593
1160	=cut	1594	=cut
1161		1595
1162	package cf::player;	1596	package cf::player;
1163		1597
1164	use Coro::AIO;	1598	use Coro::AIO;
1165		1599
1166	=head3 cf::player	1600	=head3 cf::player
1167		1601
1168	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1169		1617
1170	=item cf::player::find $login	1618	=item cf::player::find $login
1171		1619
1172	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1173		1621
…		…
1192		1640
1193	sub exists($) {	1641	sub exists($) {
1194	my ($login) = @_;	1642	my ($login) = @_;
1195		1643
1196	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1198	}	1646	}
1199		1647
1200	sub find($) {	1648	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1650	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1661
1214	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1217	}	1671	}
1218	}	1672	}
1219	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1220		1687
1221	sub save($) {	1688	sub save($) {
1222	my ($pl) = @_;	1689	my ($pl) = @_;
1223		1690
1224	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1230		1697
1231	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1233		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1234	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1235	Coro::cede;	1707	cf::cede_to_tick;
1236	}	1708	}
1237		1709
1238	sub new($) {	1710	sub new($) {
1239	my ($login) = @_;	1711	my ($login) = @_;
1240		1712
…		…
1246	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1247		1719
1248	$self	1720	$self
1249	}	1721	}
1250		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1251	=item $pl->quit_character	1733	=item $pl->quit_character
1252		1734
1253	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1255		1737
…		…
1259	my ($pl) = @_;	1741	my ($pl) = @_;
1260		1742
1261	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1262		1744
1263	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1747
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1269	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1270		1756
1271	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1308	or return [];	1794	or return [];
1309		1795
1310	my @logins;	1796	my @logins;
1311		1797
1312	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1316		1808
1317	utf8::decode $login;	1809	utf8::decode $login;
1318	push @logins, $login;	1810	push @logins, $login;
1319	}	1811	}
1320		1812
1321	\@logins	1813	\@logins
1322	}	1814	}
1323		1815
1324	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1325		1819
1326	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1327	player. May block.	1821	player. May block.
1328		1822
1329	=cut	1823	=cut
…		…
1347	}	1841	}
1348		1842
1349	\@paths	1843	\@paths
1350	}	1844	}
1351		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1352	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1353		1851
1354	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1355		1853
1356	=cut	1854	=cut
1357		1855
1358	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1360		1858
1361	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1860	}
1365		1861
1366	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1367		1863
1368	Sends an ext event to the client.	1864	Sends an ext event to the client.
1369		1865
1370	=cut	1866	=cut
1371		1867
1372	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1374		1870
1375	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1376	}	1872	}
1377		1873
1378	=head3 cf::region	1874	=head3 cf::region
1379		1875
1380	=over 4	1876	=over 4
…		…
1390	=cut	1886	=cut
1391		1887
1392	sub find_by_path($) {	1888	sub find_by_path($) {
1393	my ($path) = @_;	1889	my ($path) = @_;
1394		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1395	my ($match, $specificity);	1893	my ($match, $specificity);
1396		1894
1397	for my $region (list) {	1895	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1401	}	1899	}
1402	}	1900	}
1403		1901
…		…
1424	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1426		1924
1427	sub generate_random_map {	1925	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1430	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1931	}
1444		1932
1445	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1446		1934
1447	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1452		1940
1453	sub register {	1941	sub register {
1454	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1943	my $pkg = caller;
1456		1944
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1946
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1948	}
1462		1949
1463	# also paths starting with '/'	1950	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1952
1466	sub thawer_merge {	1953	sub thawer_merge {
1467	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1468		1955
1469	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1474	}	1961	}
1475		1962
1476	sub normalise {	1963	sub normalise {
1477	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1478		1965
1479	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1480		1967
1481	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1482		1969
1483	# map plan:	1970	# map plan:
1484	#	1971	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1987	$path = "$base/$path";
1501	}	1988	}
1502		1989
1503	for ($path) {	1990	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1507	}	1993	}
1508		1994
1509	$path	1995	$path
…		…
1523	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1524	return $self;	2010	return $self;
1525	}	2011	}
1526	}	2012	}
1527		2013
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2015	()
1530	}	2016	}
1531		2017
		2018	# may re-bless or do other evil things
1532	sub init {	2019	sub init {
1533	my ($self) = @_;	2020	my ($self) = @_;
1534		2021
1535	$self	2022	$self
1536	}	2023	}
…		…
1555		2042
1556	# the temporary/swap location	2043	# the temporary/swap location
1557	sub save_path {	2044	sub save_path {
1558	my ($self) = @_;	2045	my ($self) = @_;
1559		2046
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1562	}	2049	}
1563		2050
1564	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1565	sub uniq_path {	2052	sub uniq_path {
1566	my ($self) = @_;	2053	my ($self) = @_;
1567		2054
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2057	}
1580		2058
1581	sub decay_objects {	2059	sub decay_objects {
1582	my ($self) = @_;	2060	my ($self) = @_;
1583		2061
…		…
1596		2074
1597	sub load_header_from($) {	2075	sub load_header_from($) {
1598	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1599		2077
1600	utf8::encode $path;	2078	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2080	or return;
1606		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1607	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1608		2089
1609	1	2090	1
1610	}	2091	}
1611		2092
		2093	# used to laod the header of an original map
1612	sub load_header_orig {	2094	sub load_header_orig {
1613	my ($self) = @_;	2095	my ($self) = @_;
1614		2096
1615	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1616	}	2098	}
1617		2099
		2100	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2101	sub load_header_temp {
1619	my ($self) = @_;	2102	my ($self) = @_;
1620		2103
1621	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1622	}	2105	}
1623		2106
		2107	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2108	sub prepare_temp {
1625	my ($self) = @_;	2109	my ($self) = @_;
1626		2110
1627	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1629	# safety	2113	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2116	}
1633		2117
		2118	# called after loading the header from an original map
1634	sub prepare_orig {	2119	sub prepare_orig {
1635	my ($self) = @_;	2120	my ($self) = @_;
1636		2121
1637	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2147
1663	sub find;	2148	sub find;
1664	sub find {	2149	sub find {
1665	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1666		2151
		2152	cf::cede_to_tick;
		2153
1667	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1668		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2158
1671	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1674	or return;	2161	or return;
1675		2162
1676	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1677		2164
…		…
1679	or return;	2166	or return;
1680		2167
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1684	$map->reset;	2173	$map->reset;
1685	undef $guard;
1686	return find $path;	2174	return find $path;
1687	}	2175	}
1688		2176
1689	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1690	}	2178	}
1691	}	2179	}
1692		2180
1693	sub pre_load { }	2181	sub pre_load { }
1694	sub post_load { }	2182	#sub post_load { } # XS
1695		2183
1696	sub load {	2184	sub load {
1697	my ($self) = @_;	2185	my ($self) = @_;
1698		2186
1699	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1700		2188
1701	my $path = $self->{path};	2189	my $path = $self->{path};
1702		2190
1703	{	2191	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1705		2193
		2194	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2196
1710	$self->alloc;	2197	$self->alloc;
1711		2198
1712	$self->pre_load;	2199	$self->pre_load;
1713	Coro::cede;	2200	cf::cede_to_tick;
1714		2201
1715	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1716	or return;	2206	or return;
1717		2207
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1719	if delete $self->{load_original};	2209	if delete $self->{load_original};
1720		2210
1721	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2212	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2215	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1726	}	2220	}
1727	}
1728		2221
1729	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1730	# now do the right thing for maps	2231	# now do the right thing for maps
1731	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2234	unless $self->difficulty;
1734	Coro::cede;	2235	cf::cede_to_tick;
1735		2236
1736	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2238	$self->decay_objects;
1738	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1739	$self->update_buttons;	2240	$self->update_buttons;
1740	Coro::cede;	2241	cf::cede_to_tick;
1741	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2243	}
1745		2244
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1747	}	2247	}
1748		2248
1749	$self->post_load;	2249	$self->post_load;
1750	}
1751		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2257	sub customise_for {
1753	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1754		2259
1755	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2261	if $self->per_player;
…		…
1759	# if $self->per_party;	2264	# if $self->per_party;
1760		2265
1761	$self	2266	$self
1762	}	2267	}
1763		2268
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2269	sub find_sync {
1789	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1790		2271
1791	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1792	}	2277	}
1793		2278
1794	sub do_load_sync {	2279	sub do_load_sync {
1795	my ($map) = @_;	2280	my ($map) = @_;
1796		2281
1797	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1798	}	2287	}
1799		2288
1800	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1802		2291
1803	sub find_async {	2292	sub find_async {
1804	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1805		2294
1806	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1807		2296
1808	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1810	}	2299	}
1811		2300
1812	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1813	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1814	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2308	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2309	$map->load if $v;
		2310	}
1819		2311
1820	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1821	}	2313	}
1822	}	2314	}
1823	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1824	};	2316	};
1825	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1826		2318
1827	()	2319	()
1828	}	2320	}
1829		2321
		2322	# common code, used by both ->save and ->swapout
1830	sub save {	2323	sub _save {
1831	my ($self) = @_;	2324	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2325
1835	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1836		2327
1837	return unless $self->dirty;	2328	return unless $self->dirty;
1838		2329
…		…
1844	return if $self->{deny_save};	2335	return if $self->{deny_save};
1845		2336
1846	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1847		2338
1848	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1850	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1851		2345
1852	if ($uniq) {	2346	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2349	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2351	}
1858	}	2352	}
1859		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1860	sub swap_out {	2362	sub swap_out {
1861	my ($self) = @_;	2363	my ($self) = @_;
1862		2364
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1868	return if $self->players;	2369	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1872	$self->clear;	2380	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2381	}
1875		2382
1876	sub reset_at {	2383	sub reset_at {
1877	my ($self) = @_;	2384	my ($self) = @_;
1878		2385
…		…
1896		2403
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2405
1899	return if $self->players;	2406	return if $self->players;
1900		2407
1901	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
1902		2409
1903	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1904		2411
1905	# need to save uniques path	2412	# need to save uniques path
1906	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2415
…		…
1910	if $uniq;	2417	if $uniq;
1911	}	2418	}
1912		2419
1913	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1914		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2424	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2425
1919	$self->unlink_save;	2426	$self->unlink_save;
1920	$self->destroy;	2427	$self->destroy;
1921	}	2428	}
1922		2429
1923	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1924		2431
1925	sub nuke {	2432	sub nuke {
1926	my ($self) = @_;	2433	my ($self) = @_;
1927		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1928	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1929		2439
1930	$self->unlink_save;	2440	$self->unlink_save;
1931		2441
1932	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2447
1938	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1939		2450
1940	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
1941	}	2452	}
1942		2453
1943	=item $maps = cf::map::tmp_maps	2454	=item $maps = cf::map::tmp_maps
…		…
1985		2496
1986	sub unique_maps() {	2497	sub unique_maps() {
1987	[	2498	[
1988	map {	2499	map {
1989	utf8::decode $_;	2500	utf8::decode $_;
1990	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
1991	? normalise $_	2504	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2506	]
1995	}	2507	}
1996		2508
1997	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1998		2540
1999	=back	2541	=back
2000		2542
2001	=head3 cf::object	2543	=head3 cf::object
2002		2544
…		…
2006		2548
2007	=over 4	2549	=over 4
2008		2550
2009	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2010		2552
2011	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2012		2555
2013	=cut	2556	=cut
2014		2557
2015	sub inv_recursive_;	2558	sub inv_recursive_;
2016	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2019		2562
2020	sub inv_recursive {	2563	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2022	}	2565	}
2023		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2024	package cf;	2595	package cf;
2025		2596
2026	=back	2597	=back
2027		2598
2028	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2037		2608
2038	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2039		2624
2040	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2626	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2050		2635
2051	} else {	2636	} else {
2052	my $pl = $self->contr;	2637	my $pl = $self->contr;
2053		2638
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2642
2060	} else {	2643	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2646	}
2064	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
2065	}	2658	}
2066		2659
2067	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
2068		2661
2069	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
2082		2675
2083	=item $player_object->enter_link	2676	=item $player_object->enter_link
2084		2677
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2679
2087	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2089		2684
2090	Will never block.	2685	Will never block.
2091		2686
2092	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2093		2688
…		…
2113	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2709	my ($self) = @_;
2115		2710
2116	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2117		2712
		2713	++$self->{_link_recursion};
		2714
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2716
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2122		2719
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2721	}
2125		2722
2126	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2128		2725
…		…
2145	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2147		2744
2148	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2151		2748
2152	$map->load;	2749	$map->load;
2153	$map->load_diag;
2154		2750
2155	return unless $self->contr->active;	2751	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2752
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2160	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2161		2760
		2761	}
		2762
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2764
2164	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
2168		2773
2169	=cut	2774	=cut
2170		2775
2171	our $GOTOGEN;	2776	our $GOTOGEN;
2172		2777
2173	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2175		2786
2176	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2789
2179	$self->enter_link;	2790	$self->enter_link;
2180		2791
2181	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2182	my $map = eval {	2814	my $map = eval {
2183	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2816
2185	if ($map) {	2817	if ($map) {
2186	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2820	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2822	}
2191		2823
2192	$map	2824	$map
2193	};	2825	};
2194		2826
…		…
2199		2831
2200	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2203	}	2835	}
		2836
		2837	$done->($self) if $done;
2204	})->prio (1);	2838	})->prio (1);
2205	}	2839	}
2206		2840
2207	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2208		2842
…		…
2228	}	2862	}
2229		2863
2230	sub prepare_random_map {	2864	sub prepare_random_map {
2231	my ($exit) = @_;	2865	my ($exit) = @_;
2232		2866
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2869	# that depends on the exit object
2238		2870
2239	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2873	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2246	}	2880	}
2247		2881
2248	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2249		2883
2250	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2253		2887
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2890	undef $fh;
2257	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2258		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2261	}	2899	}
2262	}	2900	}
2263		2901
2264	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2266		2904
2267	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2268		2906
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2907	$self->enter_link;
2281		2908
2282	(async {	2909	(async {
2283	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2284	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2285	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2286		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2287	1;	2948	1
2288	}) {	2949	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2954
2294	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2956	$self->leave_link;
2296	}	2957	}
2297	})->prio (1);	2958	})->prio (1);
2298	}	2959	}
2299		2960
…		…
2313		2974
2314	utf8::encode $text;	2975	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	2977	}
2317		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2318	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2319		3167
2320	Sends an exti event to the client.	3168	Sends an ext event to the client.
2321		3169
2322	=cut	3170	=cut
2323		3171
2324	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2326		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2329	}	3195	}
2330		3196
2331	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2332		3198
2333	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3202
2337	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3204	become reliable at some point in the future.
2339		3205
2340	=cut	3206	=cut
2341		3207
2342	sub cf::client::query {	3208	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3217	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3219
2354	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2356	}	3224	}
2357		3225
2358	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2359	on_reply => sub {	3232	on_reply => sub {
2360	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2361		3234
2362	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2363	# get handled first	3236	# get handled first
…		…
2375	} else {	3248	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3250	}
2378	}	3251	}
2379	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2380	);	3276	);
2381		3277
2382	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2383		3279
2384	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3296
2401	$coro	3297	$coro
2402	}	3298	}
2403		3299
2404	cf::client->attach (	3300	cf::client->attach (
2405	on_destroy => sub {	3301	on_client_destroy => sub {
2406	my ($ns) = @_;	3302	my ($ns) = @_;
2407		3303
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3305	},
2410	);	3306	);
…		…
2425	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2427		3323
2428	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2429		3325
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2431		3331
2432	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2433		3333
2434	=pod	3334	=pod
2435		3335
2436	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2437		3337
2438	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2439	cf::object::player player	3343	cf::object::player
2440	cf::player peaceful	3344	player
2441	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2442		3351
2443	=cut	3352	=cut
2444		3353
2445	for (	3354	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2450	) {	3361	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3364	for @funs;
2455	}	3365	}
2456		3366
…		…
2471		3381
2472	my $qcode = $code;	3382	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2475		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2476	local $_;	3389	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3390
2479	my $eval =	3391	my $eval =
2480	"do {\n"	3392	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3395	. $code
2484	. "\n}"	3396	. "\n}"
2485	;	3397	;
2486		3398
		3399	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2490		3408
2491	if ($@) {	3409	if ($@) {
2492	warn "$@";	3410	warn "$@",
2493	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2495	}	3413	}
2496		3414
2497	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2498	}	3416	}
2499		3417
…		…
2513	=cut	3431	=cut
2514		3432
2515	sub register_script_function {	3433	sub register_script_function {
2516	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2517		3435
2518	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2520	}	3438	}
2521		3439
2522	=back	3440	=back
2523		3441
2524	=cut	3442	=cut
…		…
2527	# the server's init and main functions	3445	# the server's init and main functions
2528		3446
2529	sub load_facedata($) {	3447	sub load_facedata($) {
2530	my ($path) = @_;	3448	my ($path) = @_;
2531		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2532	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2533		3457
2534	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3459
2540	$facedata->{version} == 2	3460	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2543	{	3472	{
2544	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2545		3474
2546	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2552	}	3485	}
2553		3486
2554	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2556	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2557	or next;	3491	or next;
		3492
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3496	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3498	}
2563	Coro::cede;	3499
		3500	cf::cede_to_tick;
2564	}	3501	}
2565	}	3502	}
2566		3503
2567	{	3504	{
2568	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2569		3506
2570	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3509	cf::cede_to_tick;
2573	}	3510	}
2574		3511
2575	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2576	}	3513	}
2577		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
2578	1	3536	1
2579	}	3537	}
2580		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2581	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2582	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
2584	}	3569	}
2585		3570
2586	sub reload_facedata {	3571	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3572	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3573	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3581	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2599	}	3584	}
2600		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2601	sub reload_resources {	3606	sub reload_resources {
2602	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2603		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2604	reload_regions;	3614	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3615	reload_treasures;
2609		3616
2610	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2611	}	3618	}
2612		3619
2613	sub init {	3620	sub reload_config {
2614	reload_resources;	3621	trace "reloading config file...\n";
2615	}
2616		3622
2617	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2619	or return;	3625	*CFG = decode_yaml $config;
2620		3626
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3628
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3631
2629	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2633	};	3636	};
2634	warn $@ if $@;	3637	warn $@ if $@;
2635	}	3638	}
2636	}	3639	}
2637		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2638	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2639	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3682	(async {
2643	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2645	};	3686	};
2646		3687
2647	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2648	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2649	load_extensions;	3711	load_extensions;
2650		3712
2651	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2653	}	3730	}
2654		3731
2655	#############################################################################	3732	#############################################################################
2656	# initialisation and cleanup	3733	# initialisation and cleanup
2657		3734
2658	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2659	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2668	},
2669	);	3741	};
2670	}	3742	}
2671	}	3743	}
2672		3744
2673	sub write_runtime {	3745	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
2675		3747
2676	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
2678		3750
2679	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3752
2681	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
2682		3754
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3756	or return;
2685		3757
2686	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
2699		3771
2700	close $fh	3772	close $fh
2701	or return;	3773	or return;
2702		3774
2703	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3776	and return;
2705		3777
2706	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3779
2708	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2709	}	3831	}
2710		3832
2711	sub emergency_save() {	3833	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2713		3835
2714	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2715		3842
2716	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2717	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3854	$pl->save;
2725	}	3855	}
2726	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2727		3857
2728	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3863	$map->valid or next;
2732	$map->save;	3864	$map->save;
2733	}	3865	}
2734	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2735		3867
2736	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3896	};
2740		3897
2741	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2742	}	3899	}
2743		3900
2744	sub post_cleanup {	3901	sub post_cleanup {
2745	my ($make_core) = @_;	3902	my ($make_core) = @_;
2746		3903
		3904	IO::AIO::flush;
		3905
2747	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
2749	}	3936	}
2750		3937
2751	sub do_reload_perl() {	3938	sub do_reload_perl() {
2752	# can/must only be called in main	3939	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2754	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2755	return;	3942	return;
2756	}	3943	}
2757		3944
2758	warn "reloading...";	3945	return if $RELOAD++;
2759		3946
2760	warn "entering sync_job";	3947	my $t1 = AE::time;
2761		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2762	cf::sync_job {	3955	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3956	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3957
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	3960	%EXT_CORO = ();
2791		3961
2792	warn "removing commands";	3962	trace "perl_reload: removing commands";
2793	%COMMAND = ();	3963	%COMMAND = ();
2794		3964
2795	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2797		3968
2798	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2801		3972
2802	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2803	eval {	3974	eval {
2804	$cb->($pkg);	3975	$cb->($pkg);
2805	1	3976	1
2806	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2807	}	3982	}
2808		3983
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		3987
2817	warn "... unloading $k";	3988	trace "... unloading $k";
2818	delete $INC{$k};	3989	delete $INC{$k};
2819		3990
2820	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2822		3993
2823	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2825	}	3999	}
2826		4000
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4004
2834	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4008
2838	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4010	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2841		4012
2842	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2843		4014
2844	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2845	require cf;	4016	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2847		4018
2848	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4020	cf::reload_config;
2850		4021
2851	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4023	cf::load_extensions;
2853		4024
		4025	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
2860		4033
2861	warn "leaving sync_job";	4034	cf::_post_init 1;
2862		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
2863	1	4038	1
2864	} or do {	4039	} or do {
2865	warn $@;	4040	error $@;
2866	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4042	};
		4043
		4044	--$RELOAD;
2868	};	4045	}
2869		4046
2870	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
2871	};	4049	};
2872		4050
2873	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
2874		4052
2875	sub reload_perl() {	4053	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
2878		4056
2879	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4059
2882	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4061	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
2886	},	4063	};
2887	);	4064	};
2888	}	4065	}
2889		4066
2890	register_command "reload" => sub {	4067	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2892		4069
2893	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4074	reload_perl;
		4075	};
2896	}	4076	}
2897	};	4077	};
2898		4078
2899	unshift @INC, $LIBDIR;	4079	#############################################################################
2900		4080
2901	my $bug_warning = 0;	4081	my $bug_warning = 0;
2902		4082
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4083	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4085
2910	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4087	}
2914		4088
2915	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4091
2919	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4094	$signal->wait;
2922	}	4095	}
2923		4096
2924	my $min = 1e6;#d#	4097	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2936	return;	4101	return;
2937	}	4102	}
2938		4103
2939	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
2940		4105
2941	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4107
2943	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4110	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
2947	or die;	4112	write_runtime_sync
2948		4113	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4114	};
		4115	}
2965		4116
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4118	$sig->send;
2982	}	4119	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4121
2987	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4124
2998	_post_tick;	4125	if (0) {
2999		4126	if ($NEXT_TICK) {
3000		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3001	},	4131	}
3002	);	4132	}
3003		4133
3004	{	4134	{
3005	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4136
3007	reentrant => 0,
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3015		4138	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4140
3031	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4148
3034	cf::sync_job {	4149	cf::sync_job {
3035	eval {	4150	eval {
3036	BDB::db_env_open	4151	BDB::db_env_open
3037	$DB_ENV,	4152	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4156	0666;
3042		4157
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4159	};
3048		4160
3049	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4162	};
3051	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3052	}	4174	}
3053		4175
3054	{	4176	{
		4177	# configure IO::AIO
		4178
3055	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4182	}
3068		4183
3069	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3070		4186
3071	sub _log_backtrace {	4187	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3073		4189
3074	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3075		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3079	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3080	my @bt = fork_call {	4203	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3092	}	4215	}
3093		4216
3094	@funcs	4217	@funcs
3095	};	4218	};
3096		4219
3097	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4223	--$_log_backtrace;
3100	};	4224	};
3101	} else {	4225	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4228	}
3105	}	4229	}
3106		4230
3107	# load additional modules	4231	# load additional modules
3108	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3109		4234
3110	END { cf::emergency_save }	4235	END { cf::emergency_save }
3111		4236
3112	1	4237	1
3113		4238

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