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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	138	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		139
83	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
94		143
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		146
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
101		159
102	binmode STDOUT;	160	binmode STDOUT;
103	binmode STDERR;	161	binmode STDERR;
104		162
105	# read virtual server time, if available	163	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
110	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
111		171
112	mkdir $_	172	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		174
115	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
116		176
117	sub cf::map::normalise;	177	sub cf::map::normalise;
118		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
119	#############################################################################	183	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
122		197
123	=over 4	198	=over 4
124		199
125	=item $cf::UPTIME	200	=item $cf::UPTIME
126		201
127	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.
128		218
129	=item $cf::RUNTIME	219	=item $cf::RUNTIME
130		220
131	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
132	every server tick.	222	every server tick.
…		…
138	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
141	database environment.	231	database environment.
142		232
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	233	=item $cf::LOADAVG
152		234
153	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
158		240
159	The raw value load value from the last tick.	241	The raw value load value from the last tick.
160		242
161	=item %cf::CFG	243	=item %cf::CFG
162		244
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	246	from wherever your confdir points to.
165		247
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		249
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
172	=back	283	=back
173		284
174	=cut	285	=cut
175		286
176	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	294	my $msg = join "", @_;
179		295
180	$msg .= "\n"	296	$msg .= "\n"
181	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
182		298
183	$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;
184		300
185	utf8::encode $msg;
186	LOG llevError, $msg;	301	LOG llevWarn, $msg;
187	};	302	};
188	}	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	};
189		317
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	328	for my $pkg (qw(
201	cf::global cf::attachable	329	cf::global cf::attachable
202	cf::object cf::object::player	330	cf::object cf::object::player
203	cf::client cf::player	331	cf::client cf::player
204	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
205	cf::map cf::party cf::region	334	cf::party cf::region
206	)) {	335	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	337	}
210		338
211	$Event::DIED = sub {	339	$EV::DIED = sub {
212	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
213	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
214		347
215	#############################################################################	348	#############################################################################
216		349
217	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
218		351
…		…
239	$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;
240	$d	373	$d
241	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
242	}	375	}
243		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
244	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
245		392
246	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
247		394
248	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
249		396
250	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
251		398
252	=cut	399	=cut
253		400
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		402
256	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
258		467
259	=item cf::lock_wait $string	468	=item cf::lock_wait $string
260		469
261	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
262		471
263	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
264		473
265	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
268	returned.	477	returned.
269		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
270	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
272		484
273	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
274		486
275	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
276		488
277	=cut	489	=cut
278		490
279	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
280		492
281	sub lock_wait($) {	493	sub lock_wait($) {
282	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	495	}
290		496
291	sub lock_acquire($) {	497	sub lock_acquire($) {
292	my ($key) = @_;	498	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	499	}
304		500
305	sub lock_active($) {	501	sub lock_active($) {
306	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	503	}
310		504
311	sub freeze_mainloop {	505	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
313		507
314	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
316	};	578	}
317	$TICK_WATCHER->stop;	579	};
318	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
319	}	594	}
320		595
321	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
322		597
323	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		603
329	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
330		605
331	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
332		607
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	611	acceptable.
337		612
338	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	618	=cut
344		619
345	sub sync_job(&) {	620	sub sync_job(&) {
346	my ($job) = @_;	621	my ($job) = @_;
347		622
348	if ($Coro::current == $Coro::main) {	623	if (in_main) {
349	my $time = Event::time;	624	my $time = AE::time;
350		625
351	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
353		628
354	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	630
356	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
357		632
358	my $busy = 1;	633	my $busy = 1;
359	my @res;	634	my @res;
360		635
361	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	638	@res = eval { $job->() };
363	warn $@ if $@;	639	error $@ if $@;
364	undef $busy;	640	undef $busy;
365	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
366		642
367	while ($busy) {	643	while ($busy) {
368	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
369	}	648	}
		649	}
370		650
371	$time = Event::time - $time;	651	my $time = AE::time - $time;
372		652
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
377		654
378	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
379	} else {	656	} else {
380	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
381		658
…		…
401	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
402		679
403	$coro	680	$coro
404	}	681	}
405		682
406	=item fork_call { }, $args	683	=item fork_call { }, @args
407		684
408	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
412		689
413	=cut	690	=cut
414		691
415	sub _store_scalar {	692	sub post_fork {
416	open my $fh, ">", \my $buf	693	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	694	}
423		695
424	sub fork_call(&@) {	696	sub fork_call(&@) {
425	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
426		698
427	# 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,
428	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		702
432	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
433	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
434		707
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	709	}
437	$res = Coro::Storable::thaw $res;
438		710
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	747	}
467		748
468	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
469		750
470	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
473		754
474	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
475	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).
476		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
477	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
478		784
479	our $DB;	785	our $DB;
480		786
481	sub db_init {	787	sub db_init {
482	unless ($DB) {	788	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	789	}
497		790
498	sub db_get($$) {	791	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
500		793
501	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
502	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
503		798
504	$! ? ()	799	$! ? ()
505	: $data	800	: $data
506	}
507	}	801	}
508		802
509	sub db_put($$$) {	803	sub db_put($$$) {
510	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		833
540	my @data;	834	my @data;
541	my $md5;	835	my $md5;
542		836
543	for (0 .. $#$src) {	837	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	839	}
547		840
548	# if processing is expensive, check	841	# if processing is expensive, check
549	# checksum first	842	# checksum first
550	if (1) {	843	if (1) {
551	$md5 =	844	$md5 =
552	join "\x00",	845	join "\x00",
553	$processversion,	846	$processversion,
554	map {	847	map {
555	Coro::cede;	848	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	850	} 0.. $#$src;
558		851
559		852
560	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		860
568	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	862	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
571		864
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		866
574	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
577		870
…		…
587		880
588	=cut	881	=cut
589		882
590	sub datalog($@) {	883	sub datalog($@) {
591	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	886	}
594		887
595	=back	888	=back
596		889
597	=cut	890	=cut
598		891
599	#############################################################################	892	#############################################################################
600		893
601	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
602		895
603	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
604	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")
605	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
606		899
607	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>
608	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
609	Crossfire TRT).	902	Deliantra).
610		903
611	=over 4	904	=over 4
612		905
613	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
614		907
…		…
658	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
659		952
660	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
662		955
663	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		958
666	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
667		960
668	=over 4	961	=over 4
…		…
792		1085
793	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1088
796	} elsif (ref $type) {	1089	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
798		1091
799	} else {	1092	} else {
800	shift @arg;	1093	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
802	}	1095	}
803	}	1096	}
804	}	1097	}
805		1098
806	sub _object_attach {	1099	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
817	}	1110	}
818		1111
819	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
820	} else {	1113	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1115	}
823		1116
824	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
825	}	1118	}
826		1119
…		…
866	";	1159	";
867	die if $@;	1160	die if $@;
868	}	1161	}
869		1162
870	our $override;	1163	our $override;
871	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?
872		1165
873	sub override {	1166	sub override {
874	$override = 1;	1167	$override = 1;
875	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
876	}	1169	}
877		1170
878	sub do_invoke {	1171	sub do_invoke {
879	my $event = shift;	1172	my $event = shift;
880	my $callbacks = shift;	1173	my $callbacks = shift;
881		1174
882	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
883		1176
884	local $override;	1177	local $override;
885		1178
886	for (@$callbacks) {	1179	for (@$callbacks) {
887	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
888		1181
889	if ($@) {	1182	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1184	override;
893	}	1185	}
894		1186
895	return 1 if $override;	1187	return 1 if $override;
896	}	1188	}
897		1189
898	0	1190	0
899	}	1191	}
900		1192
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1194
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1196
905	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
906		1198
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1202
911	=back	1203	=back
912		1204
913	=cut	1205	=cut
914		1206
915	#############################################################################	1207	#############################################################################
916	# 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, $ob2
		1250	}
917		1251
918	sub reattach {	1252	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1254	my ($obj) = @_;
921		1255
		1256	# no longer needed after getting rid of delete_package?
922	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
923		1258
924	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
925		1260
926	@$registry = ();	1261	@$registry = ();
927		1262
…		…
932	for (@$attach) {	1267	for (@$attach) {
933	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
935	}	1270	}
936	} else {	1271	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1273	}
939	}	1274	}
940	}	1275	}
941		1276
942	cf::attachable->attach (	1277	cf::attachable->attach (
943	prio => -1000000,	1278	prio => -1000000,
944	on_instantiate => sub {	1279	on_instantiate => sub {
945	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
946		1281
947	$data = from_json $data;	1282	$data = decode_json $data;
948		1283
949	for (@$data) {	1284	for (@$data) {
950	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
951		1286
952	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1303	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
970		1305
971	sync_job {	1306	sync_job {
972	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
975		1312
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1320	aio_close $fh;
981		1321
982	if (@$objs) {	1322	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1331	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
990	}	1333	}
991	} else {	1334	} else {
992	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
993	}	1336	}
994		1337
995	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1342	} else {
997	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
998	}	1344	}
999	} else {	1345	} else {
1000	aio_unlink $filename;	1346	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1002	}	1348	}
1003	}	1349	};
1004	}	1350	}
1005		1351
1006	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1008		1354
…		…
1020	or return;	1366	or return;
1021		1367
1022	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1370	or return;
		1371
1025	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1026	}	1374	}
1027		1375
		1376	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1030	return ($data, $av);	1381	($data, $av)
1031	}	1382	}
1032		1383
1033	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1034		1385
1035	=over 4	1386	=over 4
…		…
1089	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1090		1441
1091	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1092	}	1443	}
1093		1444
		1445	use File::Glob ();
		1446
1094	cf::player->attach (	1447	cf::player->attach (
1095	on_command => sub {	1448	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1097		1450
1098	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1099	or return;	1452	or return;
1100		1453
…		…
1108	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1109		1462
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1464
1112	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
1118	} else {	1477	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1479	}
1121		1480
1122	cf::override;	1481	cf::override;
1123	},	1482	},
1124	);	1483	);
1125		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1126	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1127	cf::sync_job {	1501	cf::sync_job {
1128	my %todo;	1502	my %todo;
1129		1503
1130	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1505	next unless -r $path;
…		…
1149		1523
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1526
1153	$ext{source} =	1527	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1156	. $source	1530	. $source
1157	. "\n};\n1";	1531	. "\n};\n1";
1158		1532
1159	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1160	}	1534	}
1161		1535
		1536	my $pass = 0;
1162	my %done;	1537	my %done;
1163	while (%todo) {	1538	while (%todo) {
1164	my $progress;	1539	my $progress;
1165		1540
		1541	++$pass;
		1542
		1543	ext:
1166	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1546	next ext
1169	unless exists $done{$_};	1547	unless exists $done{$_};
1170	}	1548	}
1171		1549
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1551
1174	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1179	warn $msg;	1559
1180	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1561	delete $todo{$k};
1182	}	1562	} else {
1183		1563	$done{$k} = delete $todo{$k};
1184	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1185	}	1569	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1570	}
1191		1571
1192	skip:	1572	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1195	}	1582	}
1196	};	1583	};
1197	}	1584	}
1198		1585
1199	#############################################################################	1586	#############################################################################
1200		1587
1201	=back	1588	=back
1202		1589
1203	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1204		1591
1205	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1206		1593
1207	=cut	1594	=cut
1208		1595
1209	package cf::player;	1596	package cf::player;
1210		1597
1211	use Coro::AIO;	1598	use Coro::AIO;
1212		1599
1213	=head3 cf::player	1600	=head3 cf::player
1214		1601
1215	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1216		1617
1217	=item cf::player::find $login	1618	=item cf::player::find $login
1218		1619
1219	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1220		1621
…		…
1239		1640
1240	sub exists($) {	1641	sub exists($) {
1241	my ($login) = @_;	1642	my ($login) = @_;
1242		1643
1243	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1245	}	1646	}
1246		1647
1247	sub find($) {	1648	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1650	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1661
1261	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1264	}	1671	}
1265	}	1672	}
1266	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1267		1687
1268	sub save($) {	1688	sub save($) {
1269	my ($pl) = @_;	1689	my ($pl) = @_;
1270		1690
1271	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1277		1697
1278	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1280		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1281	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1282	Coro::cede;	1707	cf::cede_to_tick;
1283	}	1708	}
1284		1709
1285	sub new($) {	1710	sub new($) {
1286	my ($login) = @_;	1711	my ($login) = @_;
1287		1712
…		…
1293	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1294		1719
1295	$self	1720	$self
1296	}	1721	}
1297		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1298	=item $pl->quit_character	1733	=item $pl->quit_character
1299		1734
1300	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1302		1737
…		…
1306	my ($pl) = @_;	1741	my ($pl) = @_;
1307		1742
1308	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1309		1744
1310	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1747
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1316	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1317		1756
1318	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1355	or return [];	1794	or return [];
1356		1795
1357	my @logins;	1796	my @logins;
1358		1797
1359	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1363		1808
1364	utf8::decode $login;	1809	utf8::decode $login;
1365	push @logins, $login;	1810	push @logins, $login;
1366	}	1811	}
1367		1812
1368	\@logins	1813	\@logins
1369	}	1814	}
1370		1815
1371	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1372		1819
1373	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1374	player. May block.	1821	player. May block.
1375		1822
1376	=cut	1823	=cut
…		…
1394	}	1841	}
1395		1842
1396	\@paths	1843	\@paths
1397	}	1844	}
1398		1845
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1847
1401	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1402		1849
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1450		1851
1451	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1452		1853
1453	=cut	1854	=cut
1454		1855
1455	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1457		1858
1458	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1860	}
1461		1861
1462	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1463		1863
1464	Sends an ext event to the client.	1864	Sends an ext event to the client.
1465		1865
1466	=cut	1866	=cut
1467		1867
1468	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1470		1870
1471	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1472	}	1872	}
1473		1873
1474	=head3 cf::region	1874	=head3 cf::region
1475		1875
1476	=over 4	1876	=over 4
…		…
1486	=cut	1886	=cut
1487		1887
1488	sub find_by_path($) {	1888	sub find_by_path($) {
1489	my ($path) = @_;	1889	my ($path) = @_;
1490		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1491	my ($match, $specificity);	1893	my ($match, $specificity);
1492		1894
1493	for my $region (list) {	1895	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1497	}	1899	}
1498	}	1900	}
1499		1901
…		…
1520	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1522		1924
1523	sub generate_random_map {	1925	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1526	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1931	}
1540		1932
1541	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1542		1934
1543	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1548		1940
1549	sub register {	1941	sub register {
1550	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1943	my $pkg = caller;
1552		1944
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1946
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1948	}
1558		1949
1559	# also paths starting with '/'	1950	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1952
1562	sub thawer_merge {	1953	sub thawer_merge {
1563	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1564		1955
1565	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1570	}	1961	}
1571		1962
1572	sub normalise {	1963	sub normalise {
1573	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1574		1965
1575	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1576		1967
1577	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1578		1969
1579	# map plan:	1970	# map plan:
1580	#	1971	#
…		…
1595	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	1987	$path = "$base/$path";
1597	}	1988	}
1598		1989
1599	for ($path) {	1990	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1603	}	1993	}
1604		1994
1605	$path	1995	$path
…		…
1619	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1620	return $self;	2010	return $self;
1621	}	2011	}
1622	}	2012	}
1623		2013
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2015	()
1626	}	2016	}
1627		2017
		2018	# may re-bless or do other evil things
1628	sub init {	2019	sub init {
1629	my ($self) = @_;	2020	my ($self) = @_;
1630		2021
1631	$self	2022	$self
1632	}	2023	}
…		…
1651		2042
1652	# the temporary/swap location	2043	# the temporary/swap location
1653	sub save_path {	2044	sub save_path {
1654	my ($self) = @_;	2045	my ($self) = @_;
1655		2046
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1658	}	2049	}
1659		2050
1660	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1661	sub uniq_path {	2052	sub uniq_path {
1662	my ($self) = @_;	2053	my ($self) = @_;
1663		2054
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2057	}
1676		2058
1677	sub decay_objects {	2059	sub decay_objects {
1678	my ($self) = @_;	2060	my ($self) = @_;
1679		2061
…		…
1692		2074
1693	sub load_header_from($) {	2075	sub load_header_from($) {
1694	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1695		2077
1696	utf8::encode $path;	2078	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2080	or return;
1702		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1703	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1704		2089
1705	1	2090	1
1706	}	2091	}
1707		2092
		2093	# used to laod the header of an original map
1708	sub load_header_orig {	2094	sub load_header_orig {
1709	my ($self) = @_;	2095	my ($self) = @_;
1710		2096
1711	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1712	}	2098	}
1713		2099
		2100	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2101	sub load_header_temp {
1715	my ($self) = @_;	2102	my ($self) = @_;
1716		2103
1717	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1718	}	2105	}
1719		2106
		2107	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2108	sub prepare_temp {
1721	my ($self) = @_;	2109	my ($self) = @_;
1722		2110
1723	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1725	# safety	2113	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2116	}
1729		2117
		2118	# called after loading the header from an original map
1730	sub prepare_orig {	2119	sub prepare_orig {
1731	my ($self) = @_;	2120	my ($self) = @_;
1732		2121
1733	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2147
1759	sub find;	2148	sub find;
1760	sub find {	2149	sub find {
1761	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1762		2151
		2152	cf::cede_to_tick;
		2153
1763	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1764		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2158
1767	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1770	or return;	2161	or return;
1771		2162
1772	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1773		2164
…		…
1775	or return;	2166	or return;
1776		2167
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1780	$map->reset;	2173	$map->reset;
1781	undef $guard;
1782	return find $path;	2174	return find $path;
1783	}	2175	}
1784		2176
1785	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1786	}	2178	}
1787	}	2179	}
1788		2180
1789	sub pre_load { }	2181	sub pre_load { }
1790	sub post_load { }	2182	#sub post_load { } # XS
1791		2183
1792	sub load {	2184	sub load {
1793	my ($self) = @_;	2185	my ($self) = @_;
1794		2186
1795	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1796		2188
1797	my $path = $self->{path};	2189	my $path = $self->{path};
1798		2190
1799	{	2191	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1801		2193
		2194	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2196
1806	$self->alloc;	2197	$self->alloc;
1807		2198
1808	$self->pre_load;	2199	$self->pre_load;
1809	Coro::cede;	2200	cf::cede_to_tick;
1810		2201
1811	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1812	or return;	2206	or return;
1813		2207
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1815	if delete $self->{load_original};	2209	if delete $self->{load_original};
1816		2210
1817	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2212	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2215	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1822	}	2220	}
1823	}
1824		2221
1825	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1826	# now do the right thing for maps	2231	# now do the right thing for maps
1827	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2234	unless $self->difficulty;
1830	Coro::cede;	2235	cf::cede_to_tick;
1831		2236
1832	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2238	$self->decay_objects;
1834	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1835	$self->update_buttons;	2240	$self->update_buttons;
1836	Coro::cede;	2241	cf::cede_to_tick;
1837	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2243	}
1841		2244
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1843	}	2247	}
1844		2248
1845	$self->post_load;	2249	$self->post_load;
1846	}
1847		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2257	sub customise_for {
1849	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1850		2259
1851	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2261	if $self->per_player;
…		…
1855	# if $self->per_party;	2264	# if $self->per_party;
1856		2265
1857	$self	2266	$self
1858	}	2267	}
1859		2268
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2269	sub find_sync {
1885	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1886		2271
1887	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1888	}	2277	}
1889		2278
1890	sub do_load_sync {	2279	sub do_load_sync {
1891	my ($map) = @_;	2280	my ($map) = @_;
1892		2281
1893	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1894	}	2287	}
1895		2288
1896	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1898		2291
1899	sub find_async {	2292	sub find_async {
1900	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1901		2294
1902	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1903		2296
1904	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1906	}	2299	}
1907		2300
1908	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1909	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1910	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2308	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2309	$map->load if $v;
		2310	}
1915		2311
1916	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1917	}	2313	}
1918	}	2314	}
1919	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1920	};	2316	};
1921	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1922		2318
1923	()	2319	()
1924	}	2320	}
1925		2321
		2322	# common code, used by both ->save and ->swapout
1926	sub save {	2323	sub _save {
1927	my ($self) = @_;	2324	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2325
1931	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1932		2327
1933	return unless $self->dirty;	2328	return unless $self->dirty;
1934		2329
…		…
1940	return if $self->{deny_save};	2335	return if $self->{deny_save};
1941		2336
1942	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1943		2338
1944	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1946	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1947		2345
1948	if ($uniq) {	2346	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2349	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2351	}
1954	}	2352	}
1955		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1956	sub swap_out {	2362	sub swap_out {
1957	my ($self) = @_;	2363	my ($self) = @_;
1958		2364
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1964	return if $self->players;	2369	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1968	$self->clear;	2380	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2381	}
1971		2382
1972	sub reset_at {	2383	sub reset_at {
1973	my ($self) = @_;	2384	my ($self) = @_;
1974		2385
…		…
1992		2403
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2405
1995	return if $self->players;	2406	return if $self->players;
1996		2407
1997	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
1998		2409
1999	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
2000		2411
2001	# need to save uniques path	2412	# need to save uniques path
2002	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2415
…		…
2006	if $uniq;	2417	if $uniq;
2007	}	2418	}
2008		2419
2009	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
2010		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2424	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2425
2015	$self->unlink_save;	2426	$self->unlink_save;
2016	$self->destroy;	2427	$self->destroy;
2017	}	2428	}
2018		2429
2019	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
2020		2431
2021	sub nuke {	2432	sub nuke {
2022	my ($self) = @_;	2433	my ($self) = @_;
2023		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
2024	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2025		2439
2026	$self->unlink_save;	2440	$self->unlink_save;
2027		2441
2028	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2447
2034	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
2035		2450
2036	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
2037	}	2452	}
2038		2453
2039	=item $maps = cf::map::tmp_maps	2454	=item $maps = cf::map::tmp_maps
…		…
2081		2496
2082	sub unique_maps() {	2497	sub unique_maps() {
2083	[	2498	[
2084	map {	2499	map {
2085	utf8::decode $_;	2500	utf8::decode $_;
2086	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2087	? normalise $_	2504	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2506	]
2091	}	2507	}
2092		2508
2093	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2094		2540
2095	=back	2541	=back
2096		2542
2097	=head3 cf::object	2543	=head3 cf::object
2098		2544
…		…
2102		2548
2103	=over 4	2549	=over 4
2104		2550
2105	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2106		2552
2107	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2108		2555
2109	=cut	2556	=cut
2110		2557
2111	sub inv_recursive_;	2558	sub inv_recursive_;
2112	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2115		2562
2116	sub inv_recursive {	2563	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2118	}	2565	}
2119		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2120	package cf;	2595	package cf;
2121		2596
2122	=back	2597	=back
2123		2598
2124	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2133		2608
2134	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2135		2624
2136	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2626	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2146		2635
2147	} else {	2636	} else {
2148	my $pl = $self->contr;	2637	my $pl = $self->contr;
2149		2638
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2642
2159	} else {	2643	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2646	}
2163	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
2164	}	2658	}
2165		2659
2166	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
2167		2661
2168	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
2181		2675
2182	=item $player_object->enter_link	2676	=item $player_object->enter_link
2183		2677
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2679
2186	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2188		2684
2189	Will never block.	2685	Will never block.
2190		2686
2191	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2192		2688
…		…
2212	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2709	my ($self) = @_;
2214		2710
2215	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2216		2712
		2713	++$self->{_link_recursion};
		2714
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2716
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2221		2719
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2721	}
2224		2722
2225	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2227		2725
…		…
2244	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2246		2744
2247	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2250		2748
2251	$map->load;	2749	$map->load;
2252	$map->load_diag;
2253		2750
2254	return unless $self->contr->active;	2751	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2752
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2259	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2260		2760
		2761	}
		2762
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2764
2263	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
2267		2773
2268	=cut	2774	=cut
2269		2775
2270	our $GOTOGEN;	2776	our $GOTOGEN;
2271		2777
2272	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2274		2786
2275	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2789
2278	$self->enter_link;	2790	$self->enter_link;
2279		2791
2280	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2281	my $map = eval {	2814	my $map = eval {
2282	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2816
2284	if ($map) {	2817	if ($map) {
2285	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2820	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2822	}
2290		2823
2291	$map	2824	$map
2292	};	2825	};
2293		2826
…		…
2298		2831
2299	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2302	}	2835	}
		2836
		2837	$done->($self) if $done;
2303	})->prio (1);	2838	})->prio (1);
2304	}	2839	}
2305		2840
2306	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2307		2842
…		…
2327	}	2862	}
2328		2863
2329	sub prepare_random_map {	2864	sub prepare_random_map {
2330	my ($exit) = @_;	2865	my ($exit) = @_;
2331		2866
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2869	# that depends on the exit object
2337		2870
2338	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2873	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2345	}	2880	}
2346		2881
2347	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2348		2883
2349	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2352		2887
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2890	undef $fh;
2356	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2357		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2360	}	2899	}
2361	}	2900	}
2362		2901
2363	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2365		2904
2366	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2367		2906
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2907	$self->enter_link;
2380		2908
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2909	(async {
2386	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2387	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2388	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2389		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2390	1;	2948	1
2391	}) {	2949	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2954
2397	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2956	$self->leave_link;
2399	}	2957	}
2400	})->prio (1);	2958	})->prio (1);
2401	}	2959	}
2402		2960
…		…
2416		2974
2417	utf8::encode $text;	2975	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2977	}
2420		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3005
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	3007	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2427		3010
2428	=cut	3011	=cut
2429		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
2430	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3129
2433	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
2434		3151
2435	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2436		3153
2437	if ($self->can_msg) {	3154	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3156	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3157
2450	if ($color >= 0) {	3158	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3159	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3161	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2461	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2462		3167
2463	Sends an ext event to the client.	3168	Sends an ext event to the client.
2464		3169
2465	=cut	3170	=cut
2466		3171
2467	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2469		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2472	}	3195	}
2473		3196
2474	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2475		3198
2476	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2532		3255
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3257
2535	if (ref $msg) {	3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3263	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3264	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
2542	} else {	3270	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3272	}
2545		3273
2546	cf::override;	3274	cf::override;
2547	},	3275	},
2548	);	3276	);
…		…
2568		3296
2569	$coro	3297	$coro
2570	}	3298	}
2571		3299
2572	cf::client->attach (	3300	cf::client->attach (
2573	on_destroy => sub {	3301	on_client_destroy => sub {
2574	my ($ns) = @_;	3302	my ($ns) = @_;
2575		3303
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3305	},
2578	);	3306	);
…		…
2593	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2595		3323
2596	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2597		3325
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2599		3331
2600	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2601		3333
2602	=pod	3334	=pod
2603		3335
2604	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2605		3337
2606	cf::object	3338	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3340	insert remove name archname title slaying race decrease split
		3341	value
2609		3342
2610	cf::object::player	3343	cf::object::player
2611	player	3344	player
2612		3345
2613	cf::player	3346	cf::player
…		…
2618		3351
2619	=cut	3352	=cut
2620		3353
2621	for (	3354	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2627	) {	3361	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3364	for @funs;
2632	}	3365	}
2633		3366
…		…
2648		3381
2649	my $qcode = $code;	3382	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2652		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2653	local $_;	3389	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3390
2656	my $eval =	3391	my $eval =
2657	"do {\n"	3392	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3395	. $code
2661	. "\n}"	3396	. "\n}"
2662	;	3397	;
2663		3398
		3399	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2667		3408
2668	if ($@) {	3409	if ($@) {
2669	warn "$@";	3410	warn "$@",
2670	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2672	}	3413	}
2673		3414
2674	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2675	}	3416	}
2676		3417
…		…
2690	=cut	3431	=cut
2691		3432
2692	sub register_script_function {	3433	sub register_script_function {
2693	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2694		3435
2695	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2697	}	3438	}
2698		3439
2699	=back	3440	=back
2700		3441
2701	=cut	3442	=cut
…		…
2704	# the server's init and main functions	3445	# the server's init and main functions
2705		3446
2706	sub load_facedata($) {	3447	sub load_facedata($) {
2707	my ($path) = @_;	3448	my ($path) = @_;
2708		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2709	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2710		3457
2711	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2712	0 < aio_load $path, $facedata
2713	or die "$path: $!";
2714
2715	$facedata = Coro::Storable::thaw $facedata;
2716		3459
2717	$facedata->{version} == 2	3460	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2720	{	3472	{
2721	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2722		3474
2723	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2725	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2729		3483
2730	cf::cede_to_tick;	3484	cf::cede_to_tick;
2731	}	3485	}
2732		3486
2733	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2735	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2736	or next;	3491	or next;
		3492
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3496	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3498	}
2743		3499
2744	cf::cede_to_tick;	3500	cf::cede_to_tick;
2745	}	3501	}
2746	}	3502	}
…		…
2755		3511
2756	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2757	}	3513	}
2758		3514
2759	{	3515	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3517
2765	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3519	if (defined (my $type = $info->{type})) {
2767	name => $name,	3520	# TODO: different hash - must free and use new index, or cache ixface data queue
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2775	cf::face::set_type $idx, 1;	3524	cf::face::set_type $idx, $type;
2776	cf::face::set_data $idx, 0, $data, $chk;	3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
2777		3529
2778	cf::cede_to_tick;	3530	cf::cede_to_tick;
2779	}	3531	}
2780	}	3532	}
2781		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
2782	1	3536	1
2783	}	3537	}
2784		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2785	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2786	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
2788	}	3569	}
2789		3570
2790	sub reload_facedata {	3571	sub reload_facedata {
2791	load_facedata "$DATADIR/facedata"	3572	load_facedata "$DATADIR/facedata"
2792	or die "unable to load facedata\n";	3573	or die "unable to load facedata\n";
2793	}	3574	}
2794		3575
2795	sub reload_archetypes {	3576	sub reload_archetypes {
2796	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
2797	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
2798	#d# NEED to laod twice to resolve forward references
2799	# this really needs to be done in an extra post-pass
2800	# (which needs to be synchronous, so solve it differently)
2801	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";
2803	}	3579	}
2804		3580
2805	sub reload_treasures {	3581	sub reload_treasures {
2806	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2807	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2808	}	3584	}
2809		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2810	sub reload_resources {	3606	sub reload_resources {
2811	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2812		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2813	reload_regions;	3614	reload_regions;
2814	reload_facedata;
2815	#reload_archetypes;#d#
2816	reload_archetypes;
2817	reload_treasures;	3615	reload_treasures;
2818		3616
2819	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2820	}	3618	}
2821		3619
2822	sub init {	3620	sub reload_config {
2823	reload_resources;	3621	trace "reloading config file...\n";
2824	}
2825		3622
2826	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2827	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2828	or return;	3625	*CFG = decode_yaml $config;
2829		3626
2830	local $/;
2831	*CFG = YAML::Syck::Load <$fh>;
2832
2833	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2834		3628
2835	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2836	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2837		3631
2838	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2842	};	3636	};
2843	warn $@ if $@;	3637	warn $@ if $@;
2844	}	3638	}
2845	}	3639	}
2846		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2847	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2848	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2849	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2851	(async {	3682	(async {
2852	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2853	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2854	};	3686	};
2855		3687
2856	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2857	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2858	load_extensions;	3711	load_extensions;
2859		3712
2860	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2861	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2862	}	3730	}
2863		3731
2864	#############################################################################	3732	#############################################################################
2865	# initialisation and cleanup	3733	# initialisation and cleanup
2866		3734
2867	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2868	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2869	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2870	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2871	reentrant => 0,
2872	data => WF_AUTOCANCEL,
2873	signal => $signal,
2874	prio => 0,
2875	cb => sub {
2876	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2877	},
2878	);	3741	};
2879	}	3742	}
2880	}	3743	}
2881		3744
2882	sub write_runtime {	3745	sub write_runtime_sync {
2883	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
2884		3747
2885	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
2886	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
2887		3750
2888	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2889		3752
2890	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
2891		3754
2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2893	or return;	3756	or return;
2894		3757
2895	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
2896	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
2897	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
2907	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
2908		3771
2909	close $fh	3772	close $fh
2910	or return;	3773	or return;
2911		3774
2912	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2913	and return;	3776	and return;
2914		3777
2915	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2916		3779
2917	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2918	}	3831	}
2919		3832
2920	sub emergency_save() {	3833	sub emergency_save() {
2921	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2922		3835
2923	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2924		3842
2925	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2926	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2927	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2928	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2929	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2930	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2931	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2932	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2933	$pl->save;	3854	$pl->save;
2934	}	3855	}
2935	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2936		3857
2937	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2938	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2939	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2940	$map->valid or next;	3863	$map->valid or next;
2941	$map->save;	3864	$map->save;
2942	}	3865	}
2943	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2944		3867
2945	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2946	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2947	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2948	};	3896	};
2949		3897
2950	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2951	}	3899	}
2952		3900
2953	sub post_cleanup {	3901	sub post_cleanup {
2954	my ($make_core) = @_;	3902	my ($make_core) = @_;
2955		3903
		3904	IO::AIO::flush;
		3905
2956	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2957	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
2958	}	3936	}
2959		3937
2960	sub do_reload_perl() {	3938	sub do_reload_perl() {
2961	# can/must only be called in main	3939	# can/must only be called in main
2962	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2963	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2964	return;	3942	return;
2965	}	3943	}
2966		3944
2967	warn "reloading...";	3945	return if $RELOAD++;
2968		3946
2969	warn "entering sync_job";	3947	my $t1 = AE::time;
2970		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2971	cf::sync_job {	3955	cf::sync_job {
2972	cf::write_runtime; # external watchdog should not bark
2973	cf::emergency_save;	3956	#cf::emergency_save;
2974	cf::write_runtime; # external watchdog should not bark
2975		3957
2976	warn "syncing database to disk";
2977	BDB::db_env_txn_checkpoint $DB_ENV;
2978
2979	# if anything goes wrong in here, we should simply crash as we already saved
2980
2981	warn "cancelling all WF_AUTOCANCEL watchers";
2982	for (Event::all_watchers) {
2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2984	}
2985
2986	warn "flushing outstanding aio requests";
2987	for (;;) {
2988	BDB::flush;
2989	IO::AIO::flush;
2990	Coro::cede;
2991	last unless IO::AIO::nreqs || BDB::nreqs;
2992	warn "iterate...";
2993	}
2994
2995	++$RELOAD;
2996
2997	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2998	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2999	%EXT_CORO = ();	3960	%EXT_CORO = ();
3000		3961
3001	warn "removing commands";	3962	trace "perl_reload: removing commands";
3002	%COMMAND = ();	3963	%COMMAND = ();
3003		3964
3004	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3005	%EXTCMD = ();	3966	%EXTCMD = ();
3006	%EXTICMD = ();	3967	%EXTICMD = ();
3007		3968
3008	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3009	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3010	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3011		3972
3012	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3013	eval {	3974	eval {
3014	$cb->($pkg);	3975	$cb->($pkg);
3015	1	3976	1
3016	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
3017	}	3982	}
3018		3983
3019	warn "... nuking $pkg";
3020	Symbol::delete_package $pkg;
3021	}
3022
3023	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3024	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3026		3987
3027	warn "... unloading $k";	3988	trace "... unloading $k";
3028	delete $INC{$k};	3989	delete $INC{$k};
3029		3990
3030	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3031	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3032		3993
3033	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3034	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3035	}	3999	}
3036		4000
3037	Symbol::delete_package $k;
3038	}
3039
3040	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3041	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3043		4004
3044	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3045	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3046	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3047		4008
3048	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3049	# and global variables created in xs	4010	# and global variables created in xs
3050	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3051		4012
3052	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3053		4014
3054	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3055	require cf;	4016	require cf;
3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3057		4018
3058	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3059	cf::cfg_load;	4020	cf::reload_config;
3060		4021
3061	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3062	cf::load_extensions;	4023	cf::load_extensions;
3063		4024
		4025	if ($REATTACH_ON_RELOAD) {
3064	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3065	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3066	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3067	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3068	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3069	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3070		4033
3071	warn "leaving sync_job";	4034	cf::_post_init 1;
3072		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3073	1	4038	1
3074	} or do {	4039	} or do {
3075	warn $@;	4040	error $@;
3076	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3077	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3078	};	4045	}
3079		4046
3080	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3081	};	4049	};
3082		4050
3083	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3084		4052
3085	sub reload_perl() {	4053	sub reload_perl() {
3086	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3087	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3088		4056
3089	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3090	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3091	after => 0,	4059
3092	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3093	cb => sub {
3094	do_reload_perl;	4061	do_reload_perl;
3095	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3096	},	4063	};
3097	);	4064	};
3098	}	4065	}
3099		4066
3100	register_command "reload" => sub {	4067	register_command "reload" => sub {
3101	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3102		4069
3103	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
3104	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
3105	async { reload_perl };	4074	reload_perl;
		4075	};
3106	}	4076	}
3107	};	4077	};
3108		4078
3109	unshift @INC, $LIBDIR;	4079	#############################################################################
3110		4080
3111	my $bug_warning = 0;	4081	my $bug_warning = 0;
3112		4082
3113	our @WAIT_FOR_TICK;
3114	our @WAIT_FOR_TICK_BEGIN;
3115
3116	sub wait_for_tick {	4083	sub wait_for_tick() {
3117	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3118	return if $Coro::current == $Coro::main;
3119		4085
3120	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3121	push @WAIT_FOR_TICK, $signal;
3122	$signal->wait;
3123	}	4087	}
3124		4088
3125	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3126	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3127	return if $Coro::current == $Coro::main;
3128		4091
3129	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3130	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3131	$signal->wait;	4094	$signal->wait;
3132	}	4095	}
3133		4096
3134	my $min = 1e6;#d#	4097	sub tick {
3135	my $avg = 10;
3136	$TICK_WATCHER = Event->timer (
3137	reentrant => 0,
3138	parked => 1,
3139	prio => 0,
3140	at => $NEXT_TICK || $TICK,
3141	data => WF_AUTOCANCEL,
3142	cb => sub {
3143	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3145	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3146	return;	4101	return;
3147	}	4102	}
3148		4103
3149	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3150		4105
3151	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3152		4107
3153	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3154	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3155	my $t = Event::time;	4110	Coro::async_pool {
3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
3157	or die;	4112	write_runtime_sync
3158		4113	or error "ERROR: unable to write runtime file: $!";
3159	$map->width (50);
3160	$map->height (50);
3161	$map->alloc;
3162	$map->_load_objects ("/tmp/x.map", 1);
3163	my $t = Event::time - $t;
3164
3165	#next unless $t < 0.0013;#d#
3166	if ($t < $min) {
3167	$min = $t;
3168	}
3169	$avg = $avg * 0.99 + $t * 0.01;
3170	}
3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3172	exit 0;
3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3174	};	4114	};
		4115	}
3175		4116
3176	$RUNTIME += $TICK;
3177	$NEXT_TICK += $TICK;
3178
3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
3181	Coro::async_pool {
3182	write_runtime
3183	or warn "ERROR: unable to write runtime file: $!";
3184	};
3185	}
3186
3187	# my $AFTER = Event::time;
3188	# warn $AFTER - $NOW;#d#
3189
3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3191	$sig->send;	4118	$sig->send;
3192	}	4119	}
3193	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3194	$sig->send;
3195	}
3196		4121
3197	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3198
3199	# if we are delayed by four ticks or more, skip them all
3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3201
3202	$TICK_WATCHER->at ($NEXT_TICK);
3203	$TICK_WATCHER->start;
3204
3205	$LOAD = ($NOW - $tick_start) / $TICK;
3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3207		4124
3208	_post_tick;	4125	if (0) {
3209		4126	if ($NEXT_TICK) {
3210		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3211	},	4131	}
3212	);	4132	}
3213		4133
3214	{	4134	{
3215	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3216	$BDB_POLL_WATCHER = Event->io (	4136
3217	reentrant => 0,
3218	fd => BDB::poll_fileno,
3219	poll => 'r',
3220	prio => 0,
3221	data => WF_AUTOCANCEL,
3222	cb => \&BDB::poll_cb,
3223	);
3224	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3225		4138	BDB::max_poll_reqs $TICK * 0.1;
3226	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3227	my $status;
3228	my $current = $Coro::current;
3229	(
3230	sub {
3231	$status = $!;
3232	$current->ready; undef $current;
3233	},
3234	sub {
3235	Coro::schedule while defined $current;
3236	$! = $status;
3237	},
3238	)
3239	};
3240		4140
3241	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3242	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3243		4148
3244	cf::sync_job {	4149	cf::sync_job {
3245	eval {	4150	eval {
3246	BDB::db_env_open	4151	BDB::db_env_open
3247	$DB_ENV,	4152	$DB_ENV,
…		…
3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3251	0666;	4156	0666;
3252		4157
3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3254
3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3256	$DB_ENV->set_lk_detect;
3257	};	4159	};
3258		4160
3259	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3260	};	4162	};
3261	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3262	}	4174	}
3263		4175
3264	{	4176	{
		4177	# configure IO::AIO
		4178
3265	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3266
3267	undef $Coro::AIO::WATCHER;
3268	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3269	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3270	reentrant => 0,
3271	data => WF_AUTOCANCEL,
3272	fd => IO::AIO::poll_fileno,
3273	poll => 'r',
3274	prio => 6,
3275	cb => \&IO::AIO::poll_cb,
3276	);
3277	}	4182	}
3278		4183
3279	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3280		4186
3281	sub _log_backtrace {	4187	sub _log_backtrace {
3282	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3283		4189
3284	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3285		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3286	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3287	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3288	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3289	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3290	my @bt = fork_call {	4203	my @bt = fork_call {
3291	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3294	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3302	}	4215	}
3303		4216
3304	@funcs	4217	@funcs
3305	};	4218	};
3306		4219
3307	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3308	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3309	--$_log_backtrace;	4223	--$_log_backtrace;
3310	};	4224	};
3311	} else {	4225	} else {
3312	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3313	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3314	}	4228	}
3315	}	4229	}
3316		4230
3317	# load additional modules	4231	# load additional modules
3318	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3319		4234
3320	END { cf::emergency_save }	4235	END { cf::emergency_save }
3321		4236
3322	1	4237	1
3323		4238

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