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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 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
211		347
212	#############################################################################	348	#############################################################################
213		349
214	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
215		351
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	373	$d
238	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
239	}	375	}
240		376
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
242		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
243	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
244		392
245	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
246		394
247	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
248		396
249	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
250		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
251	=item cf::lock_wait $string	468	=item cf::lock_wait $string
252		469
253	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
254		471
255	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
256		473
257	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
260	returned.	477	returned.
261		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
262	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
264		484
265	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
266		486
267	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
268		488
269	=cut	489	=cut
270		490
271	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
272		492
273	sub lock_wait($) {	493	sub lock_wait($) {
274	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	495	}
282		496
283	sub lock_acquire($) {	497	sub lock_acquire($) {
284	my ($key) = @_;	498	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	499	}
296		500
297	sub lock_active($) {	501	sub lock_active($) {
298	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	503	}
302		504
303	sub freeze_mainloop {	505	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
305		507
306	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
308	};	578	}
309	$TICK_WATCHER->stop;	579	};
310	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
311	}	594	}
312		595
313	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
314		597
315	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		603
321	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
322		605
323	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
324		607
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	611	acceptable.
329		612
330	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	618	=cut
336		619
337	sub sync_job(&) {	620	sub sync_job(&) {
338	my ($job) = @_;	621	my ($job) = @_;
339		622
340	if ($Coro::current == $Coro::main) {	623	if (in_main) {
341	my $time = Event::time;	624	my $time = AE::time;
342		625
343	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
345		628
346	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	630
348	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
349		632
350	my $busy = 1;	633	my $busy = 1;
351	my @res;	634	my @res;
352		635
353	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	638	@res = eval { $job->() };
355	warn $@ if $@;	639	error $@ if $@;
356	undef $busy;	640	undef $busy;
357	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
358		642
359	while ($busy) {	643	while ($busy) {
360	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
361	}	648	}
		649	}
362		650
363	$time = Event::time - $time;	651	my $time = AE::time - $time;
364		652
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
369		654
370	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
371	} else {	656	} else {
372	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
373		658
…		…
393	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
394		679
395	$coro	680	$coro
396	}	681	}
397		682
398	=item fork_call { }, $args	683	=item fork_call { }, @args
399		684
400	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
404		689
405	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
406		695
407	sub fork_call(&@) {	696	sub fork_call(&@) {
408	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
409		698
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	699	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		702
415	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
416	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
417		707
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	709	}
420		710
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
440	}	747	}
441		748
442	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
443		750
444	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
447		754
448	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
451	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
452		784
453	our $DB;	785	our $DB;
454		786
455	sub db_init {	787	sub db_init {
456	unless ($DB) {	788	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	789	}
471		790
472	sub db_get($$) {	791	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
474		793
475	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
476	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
477		798
478	$! ? ()	799	$! ? ()
479	: $data	800	: $data
480	}
481	}	801	}
482		802
483	sub db_put($$$) {	803	sub db_put($$$) {
484	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		833
514	my @data;	834	my @data;
515	my $md5;	835	my $md5;
516		836
517	for (0 .. $#$src) {	837	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	839	}
521		840
522	# if processing is expensive, check	841	# if processing is expensive, check
523	# checksum first	842	# checksum first
524	if (1) {	843	if (1) {
525	$md5 =	844	$md5 =
526	join "\x00",	845	join "\x00",
527	$processversion,	846	$processversion,
528	map {	847	map {
529	Coro::cede;	848	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	850	} 0.. $#$src;
532		851
533		852
534	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		860
542	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	862	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
545		864
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		866
548	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
551		870
…		…
561		880
562	=cut	881	=cut
563		882
564	sub datalog($@) {	883	sub datalog($@) {
565	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	886	}
568		887
569	=back	888	=back
570		889
571	=cut	890	=cut
572		891
573	#############################################################################	892	#############################################################################
574		893
575	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
576		895
577	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
580		899
581	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	902	Deliantra).
584		903
585	=over 4	904	=over 4
586		905
587	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
588		907
…		…
632	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
633		952
634	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
636		955
637	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
639		958
640	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
641		960
642	=over 4	961	=over 4
…		…
766		1085
767	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1088
770	} elsif (ref $type) {	1089	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
772		1091
773	} else {	1092	} else {
774	shift @arg;	1093	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
776	}	1095	}
777	}	1096	}
778	}	1097	}
779		1098
780	sub _object_attach {	1099	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
791	}	1110	}
792		1111
793	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
794	} else {	1113	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1115	}
797		1116
798	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
799	}	1118	}
800		1119
…		…
840	";	1159	";
841	die if $@;	1160	die if $@;
842	}	1161	}
843		1162
844	our $override;	1163	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1165
847	sub override {	1166	sub override {
848	$override = 1;	1167	$override = 1;
849	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
850	}	1169	}
851		1170
852	sub do_invoke {	1171	sub do_invoke {
853	my $event = shift;	1172	my $event = shift;
854	my $callbacks = shift;	1173	my $callbacks = shift;
855		1174
856	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
857		1176
858	local $override;	1177	local $override;
859		1178
860	for (@$callbacks) {	1179	for (@$callbacks) {
861	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
862		1181
863	if ($@) {	1182	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1184	override;
867	}	1185	}
868		1186
869	return 1 if $override;	1187	return 1 if $override;
870	}	1188	}
871		1189
872	0	1190	0
873	}	1191	}
874		1192
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1194
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1196
879	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
880		1198
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1202
885	=back	1203	=back
886		1204
887	=cut	1205	=cut
888		1206
889	#############################################################################	1207	#############################################################################
890	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
891		1251
892	sub reattach {	1252	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1254	my ($obj) = @_;
895		1255
		1256	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1258
898	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
899		1260
900	@$registry = ();	1261	@$registry = ();
901		1262
…		…
906	for (@$attach) {	1267	for (@$attach) {
907	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
909	}	1270	}
910	} else {	1271	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1273	}
913	}	1274	}
914	}	1275	}
915		1276
916	cf::attachable->attach (	1277	cf::attachable->attach (
917	prio => -1000000,	1278	prio => -1000000,
918	on_instantiate => sub {	1279	on_instantiate => sub {
919	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
920		1281
921	$data = from_json $data;	1282	$data = decode_json $data;
922		1283
923	for (@$data) {	1284	for (@$data) {
924	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
925		1286
926	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1303	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
944		1305
945	sync_job {	1306	sync_job {
946	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
949		1312
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
954	close $fh;	1320	aio_close $fh;
955		1321
956	if (@$objs) {	1322	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
962	close $fh;	1331	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
964	}	1333	}
965	} else {	1334	} else {
966	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
967	}	1336	}
968		1337
969	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1342	} else {
971	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
972	}	1344	}
973	} else {	1345	} else {
974	aio_unlink $filename;	1346	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
976	}	1348	}
977	}	1349	};
978	}	1350	}
979		1351
980	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
982		1354
…		…
994	or return;	1366	or return;
995		1367
996	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
998	or return;	1370	or return;
		1371
999	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1000	}	1374	}
1001		1375
		1376	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1004	return ($data, $av);	1381	($data, $av)
1005	}	1382	}
1006		1383
1007	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1008		1385
1009	=over 4	1386	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1407	}
1031		1408
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1410
1034	Register a callback fro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
1035		1416
1036	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
1037	called.	1418	called.
1038		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
1039	=cut	1431	=cut
1040		1432
1041	sub register_extcmd {	1433	sub register_extcmd {
1042	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
1043		1435
1044	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
1045	}	1437	}
1046		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
1047	cf::player->attach (	1447	cf::player->attach (
1048	on_command => sub {	1448	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1050		1450
1051	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1052	or return;	1452	or return;
1053		1453
…		…
1058	cf::override;	1458	cf::override;
1059	},	1459	},
1060	on_extcmd => sub {	1460	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1062		1462
1063	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1464
1065	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1071	} else {	1480	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1482	}
1074		1483
1075	cf::override;	1484	cf::override;
1076	},	1485	},
1077	);	1486	);
1078		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1079	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1080	cf::sync_job {	1504	cf::sync_job {
1081	my %todo;	1505	my %todo;
1082		1506
1083	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1508	next unless -r $path;
…		…
1102		1526
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1529
1106	$ext{source} =	1530	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1109	. $source	1533	. $source
1110	. "\n};\n1";	1534	. "\n};\n1";
1111		1535
1112	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1113	}	1537	}
1114		1538
		1539	my $pass = 0;
1115	my %done;	1540	my %done;
1116	while (%todo) {	1541	while (%todo) {
1117	my $progress;	1542	my $progress;
1118		1543
		1544	++$pass;
		1545
		1546	ext:
1119	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1549	next ext
1122	unless exists $done{$_};	1550	unless exists $done{$_};
1123	}	1551	}
1124		1552
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1554
1127	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1132	warn $msg;	1562
1133	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1564	delete $todo{$k};
1135	}	1565	} else {
1136		1566	$done{$k} = delete $todo{$k};
1137	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1138	}	1572	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1573	}
1144		1574
1145	skip:	1575	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1148	}	1585	}
1149	};	1586	};
1150	}	1587	}
1151		1588
1152	#############################################################################	1589	#############################################################################
1153		1590
1154	=back	1591	=back
1155		1592
1156	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1157		1594
1158	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1159		1596
1160	=cut	1597	=cut
1161		1598
1162	package cf::player;	1599	package cf::player;
1163		1600
1164	use Coro::AIO;	1601	use Coro::AIO;
1165		1602
1166	=head3 cf::player	1603	=head3 cf::player
1167		1604
1168	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1169		1620
1170	=item cf::player::find $login	1621	=item cf::player::find $login
1171		1622
1172	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1173		1624
…		…
1192		1643
1193	sub exists($) {	1644	sub exists($) {
1194	my ($login) = @_;	1645	my ($login) = @_;
1195		1646
1196	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1198	}	1649	}
1199		1650
1200	sub find($) {	1651	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1653	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1664
1214	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1217	}	1674	}
1218	}	1675	}
1219	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1220		1690
1221	sub save($) {	1691	sub save($) {
1222	my ($pl) = @_;	1692	my ($pl) = @_;
1223		1693
1224	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1230		1700
1231	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1233		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1234	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1235	Coro::cede;	1710	cf::cede_to_tick;
1236	}	1711	}
1237		1712
1238	sub new($) {	1713	sub new($) {
1239	my ($login) = @_;	1714	my ($login) = @_;
1240		1715
…		…
1246	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1247		1722
1248	$self	1723	$self
1249	}	1724	}
1250		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1251	=item $pl->quit_character	1736	=item $pl->quit_character
1252		1737
1253	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1255		1740
…		…
1259	my ($pl) = @_;	1744	my ($pl) = @_;
1260		1745
1261	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1262		1747
1263	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1750
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1269	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1270		1759
1271	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1308	or return [];	1797	or return [];
1309		1798
1310	my @logins;	1799	my @logins;
1311		1800
1312	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1316		1811
1317	utf8::decode $login;	1812	utf8::decode $login;
1318	push @logins, $login;	1813	push @logins, $login;
1319	}	1814	}
1320		1815
1321	\@logins	1816	\@logins
1322	}	1817	}
1323		1818
1324	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1325		1822
1326	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1327	player. May block.	1824	player. May block.
1328		1825
1329	=cut	1826	=cut
…		…
1347	}	1844	}
1348		1845
1349	\@paths	1846	\@paths
1350	}	1847	}
1351		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1352	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1353		1854
1354	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1355		1856
1356	=cut	1857	=cut
1357		1858
1358	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1359	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1360		1861
1361	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}	1863	}
1365		1864
1366	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1367		1866
1368	Sends an ext event to the client.	1867	Sends an ext event to the client.
1369		1868
1370	=cut	1869	=cut
1371		1870
1372	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1374		1873
1375	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1376	}	1875	}
1377		1876
1378	=head3 cf::region	1877	=head3 cf::region
1379		1878
1380	=over 4	1879	=over 4
…		…
1390	=cut	1889	=cut
1391		1890
1392	sub find_by_path($) {	1891	sub find_by_path($) {
1393	my ($path) = @_;	1892	my ($path) = @_;
1394		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1395	my ($match, $specificity);	1896	my ($match, $specificity);
1396		1897
1397	for my $region (list) {	1898	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1401	}	1902	}
1402	}	1903	}
1403		1904
…		…
1424	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1426		1927
1427	sub generate_random_map {	1928	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1430	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1934	}
1444		1935
1445	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1446		1937
1447	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1452		1943
1453	sub register {	1944	sub register {
1454	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1946	my $pkg = caller;
1456		1947
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1949
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	1951	}
1462		1952
1463	# also paths starting with '/'	1953	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		1955
1466	sub thawer_merge {	1956	sub thawer_merge {
1467	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1468		1958
1469	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1474	}	1964	}
1475		1965
1476	sub normalise {	1966	sub normalise {
1477	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1478		1968
1479	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1480		1970
1481	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1482		1972
1483	# map plan:	1973	# map plan:
1484	#	1974	#
…		…
1499	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	1990	$path = "$base/$path";
1501	}	1991	}
1502		1992
1503	for ($path) {	1993	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1507	}	1996	}
1508		1997
1509	$path	1998	$path
…		…
1523	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1524	return $self;	2013	return $self;
1525	}	2014	}
1526	}	2015	}
1527		2016
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2018	()
1530	}	2019	}
1531		2020
		2021	# may re-bless or do other evil things
1532	sub init {	2022	sub init {
1533	my ($self) = @_;	2023	my ($self) = @_;
1534		2024
1535	$self	2025	$self
1536	}	2026	}
…		…
1555		2045
1556	# the temporary/swap location	2046	# the temporary/swap location
1557	sub save_path {	2047	sub save_path {
1558	my ($self) = @_;	2048	my ($self) = @_;
1559		2049
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1562	}	2052	}
1563		2053
1564	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1565	sub uniq_path {	2055	sub uniq_path {
1566	my ($self) = @_;	2056	my ($self) = @_;
1567		2057
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2060	}
1580		2061
1581	sub decay_objects {	2062	sub decay_objects {
1582	my ($self) = @_;	2063	my ($self) = @_;
1583		2064
…		…
1596		2077
1597	sub load_header_from($) {	2078	sub load_header_from($) {
1598	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1599		2080
1600	utf8::encode $path;	2081	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2083	or return;
1606		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1607	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1608		2092
1609	1	2093	1
1610	}	2094	}
1611		2095
		2096	# used to laod the header of an original map
1612	sub load_header_orig {	2097	sub load_header_orig {
1613	my ($self) = @_;	2098	my ($self) = @_;
1614		2099
1615	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1616	}	2101	}
1617		2102
		2103	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2104	sub load_header_temp {
1619	my ($self) = @_;	2105	my ($self) = @_;
1620		2106
1621	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1622	}	2108	}
1623		2109
		2110	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2111	sub prepare_temp {
1625	my ($self) = @_;	2112	my ($self) = @_;
1626		2113
1627	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1629	# safety	2116	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2119	}
1633		2120
		2121	# called after loading the header from an original map
1634	sub prepare_orig {	2122	sub prepare_orig {
1635	my ($self) = @_;	2123	my ($self) = @_;
1636		2124
1637	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2150
1663	sub find;	2151	sub find;
1664	sub find {	2152	sub find {
1665	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1666		2154
		2155	cf::cede_to_tick;
		2156
1667	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1668		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2161
1671	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1674	or return;	2164	or return;
1675		2165
1676	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1677		2167
…		…
1679	or return;	2169	or return;
1680		2170
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1684	$map->reset;	2176	$map->reset;
1685	undef $guard;
1686	return find $path;	2177	return find $path;
1687	}	2178	}
1688		2179
1689	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1690	}	2181	}
1691	}	2182	}
1692		2183
1693	sub pre_load { }	2184	sub pre_load { }
1694	sub post_load { }	2185	#sub post_load { } # XS
1695		2186
1696	sub load {	2187	sub load {
1697	my ($self) = @_;	2188	my ($self) = @_;
1698		2189
1699	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1700		2191
1701	my $path = $self->{path};	2192	my $path = $self->{path};
1702		2193
1703	{	2194	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1705		2196
		2197	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2199
1710	$self->alloc;	2200	$self->alloc;
1711		2201
1712	$self->pre_load;	2202	$self->pre_load;
1713	Coro::cede;	2203	cf::cede_to_tick;
1714		2204
1715	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1716	or return;	2209	or return;
1717		2210
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1719	if delete $self->{load_original};	2212	if delete $self->{load_original};
1720		2213
1721	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2215	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2218	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1726	}	2223	}
1727	}
1728		2224
1729	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1730	# now do the right thing for maps	2234	# now do the right thing for maps
1731	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2237	unless $self->difficulty;
1734	Coro::cede;	2238	cf::cede_to_tick;
1735		2239
1736	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2241	$self->decay_objects;
1738	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1739	$self->update_buttons;	2243	$self->update_buttons;
1740	Coro::cede;	2244	$self->post_load_physics;
1741	$self->set_darkness_map;	2245	cf::cede_to_tick;
1742	Coro::cede;	2246	#$self->activate; # no longer activate maps automatically
1743	$self->activate;
1744	}	2247	}
1745		2248
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1747	}	2251	}
1748		2252
1749	$self->post_load;	2253	$self->post_load;
1750	}
1751		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2261	sub customise_for {
1753	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1754		2263
1755	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2265	if $self->per_player;
…		…
1760		2269
1761	$self	2270	$self
1762	}	2271	}
1763		2272
1764	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {	2274	sub load_neighbours {
1766	my ($map) = @_;	2275	my ($map) = @_;
1767		2276
1768	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1769		2278
1770	for (0 .. 3) {	2279	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1772	or next;	2281	or next;
1773	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1774	or next;	2283	or next;
1775	$neigh->load;	2284	$neigh->load;
1776		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}	2290	}
1780		2291
1781	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1782	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1783	or next;	2295	or next;
1784	$neigh->load;	2296	$neigh->load;
1785	}	2297	}
1786	}	2298	}
1787		2299
1788	sub find_sync {	2300	sub find_sync {
1789	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1790		2302
1791	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1792	}	2308	}
1793		2309
1794	sub do_load_sync {	2310	sub do_load_sync {
1795	my ($map) = @_;	2311	my ($map) = @_;
1796		2312
1797	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1798	}	2318	}
1799		2319
1800	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1802		2322
1803	sub find_async {	2323	sub find_async {
1804	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1805		2325
1806	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1807		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1808	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1810	}	2332	}
1811		2333
1812	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1813	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1814	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2341	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2342	$map->load if $v;
		2343	}
1819		2344
1820	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1821	}	2346	}
1822	}	2347	}
1823	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1824	};	2349	};
1825	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1826		2351
1827	()	2352	()
1828	}	2353	}
1829		2354
		2355	# common code, used by both ->save and ->swapout
1830	sub save {	2356	sub _save {
1831	my ($self) = @_;	2357	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2358
1835	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1836		2360
1837	return unless $self->dirty;	2361	return unless $self->dirty;
1838		2362
…		…
1844	return if $self->{deny_save};	2368	return if $self->{deny_save};
1845		2369
1846	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1847		2371
1848	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1850	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1851		2378
1852	if ($uniq) {	2379	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2382	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2384	}
1858	}	2385	}
1859		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1860	sub swap_out {	2395	sub swap_out {
1861	my ($self) = @_;	2396	my ($self) = @_;
1862		2397
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1868	return if $self->players;	2402	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1872	$self->clear;	2413	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2414	}
1875		2415
1876	sub reset_at {	2416	sub reset_at {
1877	my ($self) = @_;	2417	my ($self) = @_;
1878		2418
…		…
1896		2436
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2438
1899	return if $self->players;	2439	return if $self->players;
1900		2440
1901	warn "resetting map ", $self->path;	2441	cf::trace "resetting map ", $self->path, "\n";
1902		2442
1903	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
1904		2444
1905	# need to save uniques path	2445	# need to save uniques path
1906	unless ($self->{deny_save}) {	2446	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2448
…		…
1910	if $uniq;	2450	if $uniq;
1911	}	2451	}
1912		2452
1913	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1914		2454
		2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2457	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2458
1919	$self->unlink_save;	2459	$self->unlink_save;
1920	$self->destroy;	2460	$self->destroy;
1921	}	2461	}
1922		2462
1923	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1924		2464
1925	sub nuke {	2465	sub nuke {
1926	my ($self) = @_;	2466	my ($self) = @_;
1927		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
1928	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
1929		2472
1930	$self->unlink_save;	2473	$self->unlink_save;
1931		2474
1932	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2480
1938	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
1939		2483
1940	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
1941	}	2485	}
1942		2486
1943	=item $maps = cf::map::tmp_maps	2487	=item $maps = cf::map::tmp_maps
…		…
1985		2529
1986	sub unique_maps() {	2530	sub unique_maps() {
1987	[	2531	[
1988	map {	2532	map {
1989	utf8::decode $_;	2533	utf8::decode $_;
1990	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
1991	? normalise $_	2537	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2539	]
1995	}	2540	}
1996		2541
1997	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
1998		2573
1999	=back	2574	=back
2000		2575
2001	=head3 cf::object	2576	=head3 cf::object
2002		2577
…		…
2006		2581
2007	=over 4	2582	=over 4
2008		2583
2009	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2010		2585
2011	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2012		2588
2013	=cut	2589	=cut
2014		2590
2015	sub inv_recursive_;	2591	sub inv_recursive_;
2016	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2019		2595
2020	sub inv_recursive {	2596	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2022	}	2598	}
2023		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
2024	package cf;	2628	package cf;
2025		2629
2026	=back	2630	=back
2027		2631
2028	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	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	2639	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2037		2641
2038	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
2039		2657
2040	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2659	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
2050		2668
2051	} else {	2669	} else {
2052	my $pl = $self->contr;	2670	my $pl = $self->contr;
2053		2671
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2675
2060	} else {	2676	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2679	}
2064	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
2065	}	2691	}
2066		2692
2067	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
2068		2694
2069	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
2082		2708
2083	=item $player_object->enter_link	2709	=item $player_object->enter_link
2084		2710
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2712
2087	The player should be reasonably safe there for short amounts of time. You	2713	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.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2089		2717
2090	Will never block.	2718	Will never block.
2091		2719
2092	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2093		2721
…		…
2113	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2742	my ($self) = @_;
2115		2743
2116	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2117		2745
		2746	++$self->{_link_recursion};
		2747
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2749
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2122		2752
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2754	}
2125		2755
2126	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2128		2758
…		…
2145	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2147		2777
2148	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2151		2781
2152	$map->load;	2782	$map->load;
2153	$map->load_diag;	2783	$map->load_neighbours;
2154		2784
2155	return unless $self->contr->active;	2785	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2786
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2160	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2161		2794
		2795	}
		2796
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2798
2164	Moves the player to the given map-path and coordinates by first freezing	2799	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	2800	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	2801	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
2168		2807
2169	=cut	2808	=cut
2170		2809
2171	our $GOTOGEN;	2810	our $GOTOGEN;
2172		2811
2173	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
2175		2820
2176	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2823
2179	$self->enter_link;	2824	$self->enter_link;
2180		2825
2181	(async {	2826	(async {
		2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
2182	my $map = eval {	2848	my $map = eval {
2183	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2850
2185	if ($map) {	2851	if ($map) {
2186	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2854	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2856	}
2191		2857
2192	$map	2858	$map
2193	};	2859	};
2194		2860
…		…
2199		2865
2200	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2203	}	2869	}
		2870
		2871	$done->($self) if $done;
2204	})->prio (1);	2872	})->prio (1);
2205	}	2873	}
2206		2874
2207	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2208		2876
…		…
2228	}	2896	}
2229		2897
2230	sub prepare_random_map {	2898	sub prepare_random_map {
2231	my ($exit) = @_;	2899	my ($exit) = @_;
2232		2900
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2903	# that depends on the exit object
2238		2904
2239	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2907	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2246	}	2914	}
2247		2915
2248	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2249		2917
2250	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2253		2921
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2924	undef $fh;
2257	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2258		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2261	}	2933	}
2262	}	2934	}
2263		2935
2264	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2266		2938
2267	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2268		2940
2269	if ($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;	2941	$self->enter_link;
2281		2942
2282	(async {	2943	(async {
2283	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
2284	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2285	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2286		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2287	1;	2982	1
2288	}) {	2983	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2293		2988
2294	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	2990	$self->leave_link;
2296	}	2991	}
2297	})->prio (1);	2992	})->prio (1);
2298	}	2993	}
2299		2994
…		…
2313		3008
2314	utf8::encode $text;	3009	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	3011	}
2317		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
2318	=item $client->ext_event ($type, %msg)	3200	=item $client->ext_msg ($type, @msg)
2319		3201
2320	Sends an exti event to the client.	3202	Sends an ext event to the client.
2321		3203
2322	=cut	3204	=cut
2323		3205
2324	sub cf::client::ext_event($$%) {	3206	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3207	my ($self, $type, @msg) = @_;
2326		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
2327	$msg{msgtype} = "event_$type";	3212	push @msg, msgtype => "event_$type";
2328	$self->send_packet ("ext " . cf::to_json \%msg);	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
2329	}	3233	}
2330		3234
2331	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2332		3236
2333	Queues a query to the client, calling the given callback with	3237	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>,	3238	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>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3240
2337	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3242	become reliable at some point in the future.
2339		3243
2340	=cut	3244	=cut
2341		3245
2342	sub cf::client::query {	3246	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3255	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3257
2354	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2356	}	3262	}
2357		3263
2358	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2359	on_reply => sub {	3270	on_reply => sub {
2360	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2361		3272
2362	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2363	# get handled first	3274	# get handled first
…		…
2375	} else {	3286	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3288	}
2378	}	3289	}
2379	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
2380	);	3317	);
2381		3318
2382	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
2383		3320
2384	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3337
2401	$coro	3338	$coro
2402	}	3339	}
2403		3340
2404	cf::client->attach (	3341	cf::client->attach (
2405	on_destroy => sub {	3342	on_client_destroy => sub {
2406	my ($ns) = @_;	3343	my ($ns) = @_;
2407		3344
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3346	},
2410	);	3347	);
…		…
2425	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2427		3364
2428	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2429		3366
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2431		3372
2432	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2433		3374
2434	=pod	3375	=pod
2435		3376
2436	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2437		3378
2438	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2439	cf::object::player player	3384	cf::object::player
2440	cf::player peaceful	3385	player
2441	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2442		3392
2443	=cut	3393	=cut
2444		3394
2445	for (	3395	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2450	) {	3402	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3405	for @funs;
2455	}	3406	}
2456		3407
…		…
2471		3422
2472	my $qcode = $code;	3423	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2475		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2476	local $_;	3430	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3431
2479	my $eval =	3432	my $eval =
2480	"do {\n"	3433	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3436	. $code
2484	. "\n}"	3437	. "\n}"
2485	;	3438	;
2486		3439
		3440	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2490		3449
2491	if ($@) {	3450	if ($@) {
2492	warn "$@";	3451	warn "$@",
2493	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2495	}	3454	}
2496		3455
2497	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2498	}	3457	}
2499		3458
…		…
2513	=cut	3472	=cut
2514		3473
2515	sub register_script_function {	3474	sub register_script_function {
2516	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2517		3476
2518	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2520	}	3479	}
2521		3480
2522	=back	3481	=back
2523		3482
2524	=cut	3483	=cut
…		…
2527	# the server's init and main functions	3486	# the server's init and main functions
2528		3487
2529	sub load_facedata($) {	3488	sub load_facedata($) {
2530	my ($path) = @_;	3489	my ($path) = @_;
2531		3490
		3491	# HACK to clear player env face cache, we need some signal framework
		3492	# for this (global event?)
		3493	%ext::player_env::MUSIC_FACE_CACHE = ();
		3494
		3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3496
2532	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
2533		3498
2534	my $facedata;	3499	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		3500
2540	$facedata->{version} == 2	3501	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3503
		3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3506	$facedata->{resource}{"res/exp_table"} = {
		3507	type => FT_RSRC,
		3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
		3510	};
		3511	cf::cede_to_tick;
		3512
2543	{	3513	{
2544	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
2545		3515
2546	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3519	cf::face::set_visibility $idx, $info->{visibility};
		3520	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3524
		3525	cf::cede_to_tick;
2552	}	3526	}
2553		3527
2554	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
2556	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
2557	or next;	3532	or next;
		3533
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
		3535	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3537	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3539	}
2563	Coro::cede;	3540
		3541	cf::cede_to_tick;
2564	}	3542	}
2565	}	3543	}
2566		3544
2567	{	3545	{
2568	my $anims = $facedata->{animinfo};	3546	my $anims = $facedata->{animinfo};
2569		3547
2570	while (my ($anim, $info) = each %$anims) {	3548	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3550	cf::cede_to_tick;
2573	}	3551	}
2574		3552
2575	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
2576	}	3554	}
2577		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
2578	1	3575	1
2579	}	3576	}
2580		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
2581	sub reload_regions {	3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
2582	load_resource_file "$MAPDIR/regions"	3601	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
2584	}	3608	}
2585		3609
2586	sub reload_facedata {	3610	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3611	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3612	or die "unable to load facedata\n";
…		…
2596	sub reload_treasures {	3620	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
2599	}	3623	}
2600		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
2601	sub reload_resources {	3645	sub reload_resources {
2602	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
2603		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
2604	reload_regions;	3653	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3654	reload_treasures;
2609		3655
2610	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
2611	}	3657	}
2612		3658
2613	sub init {	3659	sub reload_config {
2614	reload_resources;	3660	trace "reloading config file...\n";
2615	}
2616		3661
2617	sub cfg_load {	3662	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3663	utf8::decode $config;
2619	or return;	3664	*CFG = decode_yaml $config;
2620		3665
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3667
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$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};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3670
2629	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2633	};	3675	};
2634	warn $@ if $@;	3676	warn $@ if $@;
2635	}	3677	}
2636	}	3678	}
2637		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2638	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2639	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3721	(async {
2643	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
2645	};	3725	};
2646		3726
2647	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
2648	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2649	load_extensions;	3750	load_extensions;
2650		3751
2651	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2653	}	3770	}
2654		3771
2655	#############################################################################	3772	#############################################################################
2656	# initialisation and cleanup	3773	# initialisation and cleanup
2657		3774
2658	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2659	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3779	$SIGWATCHER{$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";	3780	cf::cleanup "SIG$signal";
2668	},
2669	);	3781	};
2670	}	3782	}
2671	}	3783	}
2672		3784
2673	sub write_runtime {	3785	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
2675		3787
2676	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
2678		3790
2679	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3792
2681	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
2682		3794
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3796	or return;
2685		3797
2686	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
2699		3811
2700	close $fh	3812	close $fh
2701	or return;	3813	or return;
2702		3814
2703	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3816	and return;
2705		3817
2706	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3819
2708	1	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2709	}	3871	}
2710		3872
2711	sub emergency_save() {	3873	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2713		3875
2714	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2715		3882
2716	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2717	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3894	$pl->save;
2725	}	3895	}
2726	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2727		3897
2728	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3903	$map->valid or next;
2732	$map->save;	3904	$map->save;
2733	}	3905	}
2734	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
2735		3907
2736	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2739	};	3936	};
2740		3937
2741	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2742	}	3939	}
2743		3940
2744	sub post_cleanup {	3941	sub post_cleanup {
2745	my ($make_core) = @_;	3942	my ($make_core) = @_;
2746		3943
		3944	IO::AIO::flush;
		3945
2747	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
2749	}	3976	}
2750		3977
2751	sub do_reload_perl() {	3978	sub do_reload_perl() {
2752	# can/must only be called in main	3979	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2754	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
2755	return;	3982	return;
2756	}	3983	}
2757		3984
2758	warn "reloading...";	3985	return if $RELOAD++;
2759		3986
2760	warn "entering sync_job";	3987	my $t1 = AE::time;
2761		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
2762	cf::sync_job {	3995	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	3996	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		3997
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";	3998	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	4000	%EXT_CORO = ();
2791		4001
2792	warn "removing commands";	4002	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4003	%COMMAND = ();
2794		4004
2795	warn "removing ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2797		4008
2798	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2801		4012
2802	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4014	eval {
2804	$cb->($pkg);	4015	$cb->($pkg);
2805	1	4016	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2807	}	4022	}
2808		4023
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4027
2817	warn "... unloading $k";	4028	trace "... unloading $k";
2818	delete $INC{$k};	4029	delete $INC{$k};
2819		4030
2820	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2822		4033
2823	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2825	}	4039	}
2826		4040
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4044
2834	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4048
2838	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4050	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2841		4052
2842	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
2843		4054
2844	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
2845	require cf;	4056	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2847		4058
2848	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4060	cf::reload_config;
2850		4061
2851	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4063	cf::load_extensions;
2853		4064
		4065	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
2860		4073
2861	warn "leaving sync_job";	4074	cf::_post_init 1;
2862		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
2863	1	4078	1
2864	} or do {	4079	} or do {
2865	warn $@;	4080	error $@;
2866	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4082	};
		4083
		4084	--$RELOAD;
2868	};	4085	}
2869		4086
2870	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
2871	};	4089	};
2872		4090
2873	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
2874		4092
2875	sub reload_perl() {	4093	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
2878		4096
2879	$RELOAD_WATCHER ||= Event->timer (	4097	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4098	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4099
2882	data => WF_AUTOCANCEL,	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4101	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
2886	},	4103	};
2887	);	4104	};
2888	}	4105	}
2889		4106
2890	register_command "reload" => sub {	4107	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2892		4109
2893	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
		4112	async {
		4113	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4114	reload_perl;
		4115	};
2896	}	4116	}
2897	};	4117	};
2898		4118
2899	unshift @INC, $LIBDIR;	4119	#############################################################################
2900		4120
2901	my $bug_warning = 0;	4121	my $bug_warning = 0;
2902		4122
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4123	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4125
2910	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4127	}
2914		4128
2915	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4131
2919	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4134	$signal->wait;
2922	}	4135	}
2923		4136
2924	my $min = 1e6;#d#	4137	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 != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
2936	return;	4141	return;
2937	}	4142	}
2938		4143
2939	$NOW = $tick_start = Event::time;	4144	cf::one_tick; # one server iteration
2940		4145
2941	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4147
2943	0 && sync_job {#d#	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4150	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4151	$Coro::current->{desc} = "runtime saver";
2947	or die;	4152	write_runtime_sync
2948		4153	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	};	4154	};
		4155	}
2965		4156
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) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4158	$sig->send;
2982	}	4159	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4161
2987	$NOW = Event::time;	4162	$LOAD = ($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;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4164
2998	_post_tick;	4165	if (0) {
2999		4166	if ($NEXT_TICK) {
3000		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
3001	},	4171	}
3002	);	4172	}
3003		4173
3004	{	4174	{
3005	BDB::max_poll_time $TICK * 0.1;	4175	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4176
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;	4177	BDB::min_parallel 16;
3015		4178	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4179	$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	$! = $status;
3027	},
3028	)
3029	};
3030		4180
3031	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4188
3034	cf::sync_job {	4189	cf::sync_job {
3035	eval {	4190	eval {
3036	BDB::db_env_open	4191	BDB::db_env_open
3037	$DB_ENV,	4192	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4196	0666;
3042		4197
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4198	cf::cleanup "db_env_open($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	};	4199	};
3048		4200
3049	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4202	};
3051	}	4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
3052	}	4214	}
3053		4215
3054	{	4216	{
		4217	# configure IO::AIO
		4218
3055	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4221	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	}	4222	}
3068		4223
3069	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3070		4226
3071	sub _log_backtrace {	4227	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3073		4229
3074	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3075		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3079	async {	4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
3080	my @bt = fork_call {	4243	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4247	or die "addr2line: $!";
…		…
3092	}	4255	}
3093		4256
3094	@funcs	4257	@funcs
3095	};	4258	};
3096		4259
3097	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4263	--$_log_backtrace;
3100	};	4264	};
3101	} else {	4265	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4268	}
3105	}	4269	}
3106		4270
3107	# load additional modules	4271	# load additional modules
3108	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3109		4274
3110	END { cf::emergency_save }	4275	END { cf::emergency_save }
3111		4276
3112	1	4277	1
3113		4278

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