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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
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
172	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
173		272
174	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	275	that call.
177		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
178	=back	283	=back
179		284
180	=cut	285	=cut
181		286
182	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	294	my $msg = join "", @_;
185		295
186	$msg .= "\n"	296	$msg .= "\n"
187	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
188		298
189	$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;
190		300
191	utf8::encode $msg;
192	LOG llevError, $msg;	301	LOG llevWarn, $msg;
193	};	302	};
194	}	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	};
195		317
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	328	for my $pkg (qw(
207	cf::global cf::attachable	329	cf::global cf::attachable
208	cf::object cf::object::player	330	cf::object cf::object::player
209	cf::client cf::player	331	cf::client cf::player
210	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
211	cf::map cf::party cf::region	334	cf::party cf::region
212	)) {	335	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	337	}
216		338
217	$Event::DIED = sub {	339	$EV::DIED = sub {
218	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
219	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
220		347
221	#############################################################################	348	#############################################################################
222		349
223	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
224		351
…		…
245	$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;
246	$d	373	$d
247	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
248	}	375	}
249		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
250	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
251		392
252	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
253		394
254	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
255		396
256	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
257		398
258	=cut	399	=cut
259		400
260	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
261		402
262	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		467
265	=item cf::lock_wait $string	468	=item cf::lock_wait $string
266		469
267	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
268		471
269	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
270		473
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
274	returned.	477	returned.
275		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
276	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
277	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
278		484
279	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
280		486
281	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.
282		488
283	=cut	489	=cut
284		490
285	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
286		492
287	sub lock_wait($) {	493	sub lock_wait($) {
288	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	495	}
296		496
297	sub lock_acquire($) {	497	sub lock_acquire($) {
298	my ($key) = @_;	498	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	499	}
310		500
311	sub lock_active($) {	501	sub lock_active($) {
312	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	503	}
316		504
317	sub freeze_mainloop {	505	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
319		507
320	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
321	$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	}
322	};	578	}
323	$TICK_WATCHER->stop;	579	};
324	$guard	580
		581	sub get_slot($;$$) {
		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;
325	}	594	}
326		595
327	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
328		597
329	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		603
335	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
336		605
337	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
338		607
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
340	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
341	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
342	acceptable.	611	acceptable.
343		612
344	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
345	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
…		…
349	=cut	618	=cut
350		619
351	sub sync_job(&) {	620	sub sync_job(&) {
352	my ($job) = @_;	621	my ($job) = @_;
353		622
354	if ($Coro::current == $Coro::main) {	623	if (in_main) {
355	my $time = Event::time;	624	my $time = AE::time;
356		625
357	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
359		628
360	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	630
362	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
363		632
364	my $busy = 1;	633	my $busy = 1;
365	my @res;	634	my @res;
366		635
367	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	638	@res = eval { $job->() };
369	warn $@ if $@;	639	error $@ if $@;
370	undef $busy;	640	undef $busy;
371	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
372		642
373	while ($busy) {	643	while ($busy) {
374	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
375	}	648	}
		649	}
376		650
377	$time = Event::time - $time;	651	my $time = AE::time - $time;
378		652
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
383		654
384	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
385	} else {	656	} else {
386	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
387		658
…		…
407	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
408		679
409	$coro	680	$coro
410	}	681	}
411		682
412	=item fork_call { }, $args	683	=item fork_call { }, @args
413		684
414	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
415	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
418		689
419	=cut	690	=cut
420		691
421	sub _store_scalar {	692	sub post_fork {
422	open my $fh, ">", \my $buf	693	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	694	}
429		695
430	sub fork_call(&@) {	696	sub fork_call(&@) {
431	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
432		698
433	# 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,
434	# or die "socketpair: $!";	700	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	701	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		702
438	if (my $pid = fork) {	703	my @res = Coro::Util::fork_eval {
439	close $fh2;	704	cf::post_fork;
		705	&$cb
		706	} @args;
440		707
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	708	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	709	}
443	$res = Coro::Storable::thaw $res;
444		710
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	711	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	747	}
473		748
474	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
475		750
476	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
479		754
480	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
481	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).
482		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
483	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
484		784
485	our $DB;	785	our $DB;
486		786
487	sub db_init {	787	sub db_init {
488	unless ($DB) {	788	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	789	}
503		790
504	sub db_get($$) {	791	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
506		793
507	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
508	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
509		798
510	$! ? ()	799	$! ? ()
511	: $data	800	: $data
512	}
513	}	801	}
514		802
515	sub db_put($$$) {	803	sub db_put($$$) {
516	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		833
546	my @data;	834	my @data;
547	my $md5;	835	my $md5;
548		836
549	for (0 .. $#$src) {	837	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	839	}
553		840
554	# if processing is expensive, check	841	# if processing is expensive, check
555	# checksum first	842	# checksum first
556	if (1) {	843	if (1) {
557	$md5 =	844	$md5 =
558	join "\x00",	845	join "\x00",
559	$processversion,	846	$processversion,
560	map {	847	map {
561	Coro::cede;	848	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	850	} 0.. $#$src;
564		851
565		852
566	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		860
574	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	862	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
577		864
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		866
580	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
583		870
…		…
593		880
594	=cut	881	=cut
595		882
596	sub datalog($@) {	883	sub datalog($@) {
597	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	886	}
600		887
601	=back	888	=back
602		889
603	=cut	890	=cut
604		891
605	#############################################################################	892	#############################################################################
606		893
607	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
608		895
609	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
610	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")
611	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
612		899
613	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>
614	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
615	Crossfire TRT).	902	Deliantra).
616		903
617	=over 4	904	=over 4
618		905
619	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
620		907
…		…
664	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
665		952
666	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
668		955
669	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		958
672	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
673		960
674	=over 4	961	=over 4
…		…
798		1085
799	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1088
802	} elsif (ref $type) {	1089	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
804		1091
805	} else {	1092	} else {
806	shift @arg;	1093	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
808	}	1095	}
809	}	1096	}
810	}	1097	}
811		1098
812	sub _object_attach {	1099	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
823	}	1110	}
824		1111
825	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
826	} else {	1113	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1115	}
829		1116
830	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
831	}	1118	}
832		1119
…		…
891		1178
892	for (@$callbacks) {	1179	for (@$callbacks) {
893	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
894		1181
895	if ($@) {	1182	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1184	override;
899	}	1185	}
900		1186
901	return 1 if $override;	1187	return 1 if $override;
902	}	1188	}
903		1189
904	0	1190	0
905	}	1191	}
906		1192
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1194
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1196
911	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
912		1198
…		…
919	=cut	1205	=cut
920		1206
921	#############################################################################	1207	#############################################################################
922	# object support	1208	# object support
923		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, $ob2
		1250	}
		1251
924	sub reattach {	1252	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1254	my ($obj) = @_;
927		1255
		1256	# no longer needed after getting rid of delete_package?
928	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
929		1258
930	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
931		1260
932	@$registry = ();	1261	@$registry = ();
933		1262
…		…
938	for (@$attach) {	1267	for (@$attach) {
939	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
941	}	1270	}
942	} else {	1271	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1273	}
945	}	1274	}
946	}	1275	}
947		1276
948	cf::attachable->attach (	1277	cf::attachable->attach (
949	prio => -1000000,	1278	prio => -1000000,
950	on_instantiate => sub {	1279	on_instantiate => sub {
951	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
952		1281
953	$data = from_json $data;	1282	$data = decode_json $data;
954		1283
955	for (@$data) {	1284	for (@$data) {
956	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
957		1286
958	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1303	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
976		1305
977	sync_job {	1306	sync_job {
978	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
981		1312
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1320	aio_close $fh;
987		1321
988	if (@$objs) {	1322	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1331	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
996	}	1333	}
997	} else {	1334	} else {
998	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
999	}	1336	}
1000		1337
1001	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1342	} else {
1003	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1004	}	1344	}
1005	} else {	1345	} else {
1006	aio_unlink $filename;	1346	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1008	}	1348	}
1009	}	1349	};
1010	}	1350	}
1011		1351
1012	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1014		1354
…		…
1026	or return;	1366	or return;
1027		1367
1028	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1370	or return;
		1371
1031	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1032	}	1374	}
1033		1375
		1376	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1036	return ($data, $av);	1381	($data, $av)
1037	}	1382	}
1038		1383
1039	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1040		1385
1041	=over 4	1386	=over 4
…		…
1095	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1096		1441
1097	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1098	}	1443	}
1099		1444
		1445	use File::Glob ();
		1446
1100	cf::player->attach (	1447	cf::player->attach (
1101	on_command => sub {	1448	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1103		1450
1104	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1105	or return;	1452	or return;
1106		1453
…		…
1114	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1115		1462
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1464
1118	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1124	} else {	1480	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1482	}
1127		1483
1128	cf::override;	1484	cf::override;
1129	},	1485	},
1130	);	1486	);
1131		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1132	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1133	cf::sync_job {	1504	cf::sync_job {
1134	my %todo;	1505	my %todo;
1135		1506
1136	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1508	next unless -r $path;
…		…
1155		1526
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1529
1159	$ext{source} =	1530	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1162	. $source	1533	. $source
1163	. "\n};\n1";	1534	. "\n};\n1";
1164		1535
1165	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1166	}	1537	}
1167		1538
		1539	my $pass = 0;
1168	my %done;	1540	my %done;
1169	while (%todo) {	1541	while (%todo) {
1170	my $progress;	1542	my $progress;
1171		1543
		1544	++$pass;
		1545
		1546	ext:
1172	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1549	next ext
1175	unless exists $done{$_};	1550	unless exists $done{$_};
1176	}	1551	}
1177		1552
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1554
1180	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1185	warn $msg;	1562
1186	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1564	delete $todo{$k};
1188	}	1565	} else {
1189		1566	$done{$k} = delete $todo{$k};
1190	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1191	}	1572	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1573	}
1197		1574
1198	skip:	1575	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1201	}	1585	}
1202	};	1586	};
1203	}	1587	}
1204		1588
1205	#############################################################################	1589	#############################################################################
1206		1590
1207	=back	1591	=back
1208		1592
1209	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1210		1594
1211	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1212		1596
1213	=cut	1597	=cut
1214		1598
1215	package cf::player;	1599	package cf::player;
1216		1600
1217	use Coro::AIO;	1601	use Coro::AIO;
1218		1602
1219	=head3 cf::player	1603	=head3 cf::player
1220		1604
1221	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1222		1620
1223	=item cf::player::find $login	1621	=item cf::player::find $login
1224		1622
1225	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1226		1624
…		…
1245		1643
1246	sub exists($) {	1644	sub exists($) {
1247	my ($login) = @_;	1645	my ($login) = @_;
1248		1646
1249	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1251	}	1649	}
1252		1650
1253	sub find($) {	1651	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1653	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1664
1267	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1270	}	1674	}
1271	}	1675	}
1272	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1273		1690
1274	sub save($) {	1691	sub save($) {
1275	my ($pl) = @_;	1692	my ($pl) = @_;
1276		1693
1277	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1283		1700
1284	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1286		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1287	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1288	Coro::cede;	1710	cf::cede_to_tick;
1289	}	1711	}
1290		1712
1291	sub new($) {	1713	sub new($) {
1292	my ($login) = @_;	1714	my ($login) = @_;
1293		1715
…		…
1299	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1300		1722
1301	$self	1723	$self
1302	}	1724	}
1303		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1304	=item $pl->quit_character	1736	=item $pl->quit_character
1305		1737
1306	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1308		1740
…		…
1312	my ($pl) = @_;	1744	my ($pl) = @_;
1313		1745
1314	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1315		1747
1316	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1750
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1322	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1323		1759
1324	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1361	or return [];	1797	or return [];
1362		1798
1363	my @logins;	1799	my @logins;
1364		1800
1365	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1369		1811
1370	utf8::decode $login;	1812	utf8::decode $login;
1371	push @logins, $login;	1813	push @logins, $login;
1372	}	1814	}
1373		1815
1374	\@logins	1816	\@logins
1375	}	1817	}
1376		1818
1377	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1378		1822
1379	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1380	player. May block.	1824	player. May block.
1381		1825
1382	=cut	1826	=cut
…		…
1400	}	1844	}
1401		1845
1402	\@paths	1846	\@paths
1403	}	1847	}
1404		1848
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1850
1407	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1408		1852
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1456		1854
1457	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1458		1856
1459	=cut	1857	=cut
1460		1858
1461	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1463		1861
1464	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1863	}
1467		1864
1468	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1469		1866
1470	Sends an ext event to the client.	1867	Sends an ext event to the client.
1471		1868
1472	=cut	1869	=cut
1473		1870
1474	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1476		1873
1477	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1478	}	1875	}
1479		1876
1480	=head3 cf::region	1877	=head3 cf::region
1481		1878
1482	=over 4	1879	=over 4
…		…
1491		1888
1492	=cut	1889	=cut
1493		1890
1494	sub find_by_path($) {	1891	sub find_by_path($) {
1495	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1496		1895
1497	my ($match, $specificity);	1896	my ($match, $specificity);
1498		1897
1499	for my $region (list) {	1898	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1528		1927
1529	sub generate_random_map {	1928	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1532	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1544	)
1545	}	1934	}
1546		1935
1547	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1548		1937
1549	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1554		1943
1555	sub register {	1944	sub register {
1556	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1946	my $pkg = caller;
1558		1947
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1949
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1951	}
1564		1952
1565	# also paths starting with '/'	1953	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1955
1568	sub thawer_merge {	1956	sub thawer_merge {
1569	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1570		1958
1571	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1576	}	1964	}
1577		1965
1578	sub normalise {	1966	sub normalise {
1579	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1580		1968
1581	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1582		1970
1583	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1584		1972
1585	# map plan:	1973	# map plan:
1586	#	1974	#
…		…
1601	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	1990	$path = "$base/$path";
1603	}	1991	}
1604		1992
1605	for ($path) {	1993	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1609	}	1996	}
1610		1997
1611	$path	1998	$path
…		…
1625	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1626	return $self;	2013	return $self;
1627	}	2014	}
1628	}	2015	}
1629		2016
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	2018	()
1632	}	2019	}
1633		2020
		2021	# may re-bless or do other evil things
1634	sub init {	2022	sub init {
1635	my ($self) = @_;	2023	my ($self) = @_;
1636		2024
1637	$self	2025	$self
1638	}	2026	}
…		…
1657		2045
1658	# the temporary/swap location	2046	# the temporary/swap location
1659	sub save_path {	2047	sub save_path {
1660	my ($self) = @_;	2048	my ($self) = @_;
1661		2049
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1664	}	2052	}
1665		2053
1666	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1667	sub uniq_path {	2055	sub uniq_path {
1668	my ($self) = @_;	2056	my ($self) = @_;
1669		2057
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	2060	}
1682		2061
1683	sub decay_objects {	2062	sub decay_objects {
1684	my ($self) = @_;	2063	my ($self) = @_;
1685		2064
…		…
1698		2077
1699	sub load_header_from($) {	2078	sub load_header_from($) {
1700	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1701		2080
1702	utf8::encode $path;	2081	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2083	or return;
1708		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1709	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1710		2092
1711	1	2093	1
1712	}	2094	}
1713		2095
		2096	# used to laod the header of an original map
1714	sub load_header_orig {	2097	sub load_header_orig {
1715	my ($self) = @_;	2098	my ($self) = @_;
1716		2099
1717	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1718	}	2101	}
1719		2102
		2103	# used to laod the header of an instantiated map
1720	sub load_header_temp {	2104	sub load_header_temp {
1721	my ($self) = @_;	2105	my ($self) = @_;
1722		2106
1723	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1724	}	2108	}
1725		2109
		2110	# called after loading the header from an instantiated map
1726	sub prepare_temp {	2111	sub prepare_temp {
1727	my ($self) = @_;	2112	my ($self) = @_;
1728		2113
1729	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1730	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1731	# safety	2116	# safety
1732	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1733	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1734	}	2119	}
1735		2120
		2121	# called after loading the header from an original map
1736	sub prepare_orig {	2122	sub prepare_orig {
1737	my ($self) = @_;	2123	my ($self) = @_;
1738		2124
1739	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1740	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1764		2150
1765	sub find;	2151	sub find;
1766	sub find {	2152	sub find {
1767	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1768		2154
		2155	cf::cede_to_tick;
		2156
1769	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1770		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2161
1773	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1776	or return;	2164	or return;
1777		2165
1778	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1779		2167
…		…
1781	or return;	2169	or return;
1782		2170
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1786	$map->reset;	2176	$map->reset;
1787	undef $guard;
1788	return find $path;	2177	return find $path;
1789	}	2178	}
1790		2179
1791	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1792	}	2181	}
1793	}	2182	}
1794		2183
1795	sub pre_load { }	2184	sub pre_load { }
1796	sub post_load { }	2185	#sub post_load { } # XS
1797		2186
1798	sub load {	2187	sub load {
1799	my ($self) = @_;	2188	my ($self) = @_;
1800		2189
1801	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1802		2191
1803	my $path = $self->{path};	2192	my $path = $self->{path};
1804		2193
1805	{	2194	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1807		2196
		2197	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1809
1810	$self->in_memory (cf::MAP_LOADING);
1811		2199
1812	$self->alloc;	2200	$self->alloc;
1813		2201
1814	$self->pre_load;	2202	$self->pre_load;
1815	Coro::cede;	2203	cf::cede_to_tick;
1816		2204
1817	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1818	or return;	2209	or return;
1819		2210
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1821	if delete $self->{load_original};	2212	if delete $self->{load_original};
1822		2213
1823	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2215	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2218	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1828	}	2223	}
1829	}
1830		2224
1831	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1832	# now do the right thing for maps	2234	# now do the right thing for maps
1833	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2237	unless $self->difficulty;
1836	Coro::cede;	2238	cf::cede_to_tick;
1837		2239
1838	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2241	$self->decay_objects;
1840	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1841	$self->update_buttons;	2243	$self->update_buttons;
1842	Coro::cede;	2244	cf::cede_to_tick;
1843	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1844	Coro::cede;
1845	$self->activate;
1846	}	2246	}
1847		2247
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1849	}	2250	}
1850		2251
1851	$self->post_load;	2252	$self->post_load;
1852	}
1853		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2260	sub customise_for {
1855	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1856		2262
1857	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2264	if $self->per_player;
…		…
1861	# if $self->per_party;	2267	# if $self->per_party;
1862		2268
1863	$self	2269	$self
1864	}	2270	}
1865		2271
1866	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {
1868	my ($map) = @_;
1869
1870	my @diag; # diagonal neighbours
1871
1872	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)
1874	or next;
1875	$neigh = find $neigh, $map
1876	or next;
1877	$neigh->load;
1878
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}
1882
1883	for (@diag) {
1884	my $neigh = find @$_
1885	or next;
1886	$neigh->load;
1887	}
1888	}
1889
1890	sub find_sync {	2272	sub find_sync {
1891	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1892		2274
1893	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1894	}	2280	}
1895		2281
1896	sub do_load_sync {	2282	sub do_load_sync {
1897	my ($map) = @_;	2283	my ($map) = @_;
1898		2284
1899	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1900	}	2290	}
1901		2291
1902	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1904		2294
1905	sub find_async {	2295	sub find_async {
1906	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1907		2297
1908	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1909		2299
1910	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1912	}	2302	}
1913		2303
1914	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1915	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1916	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2311	if (my $map = find $k) {
1919	$map->load;	2312	$map->load if $v;
1920	}	2313	}
1921		2314
1922	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1923	}	2316	}
1924	}	2317	}
1925	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1926	};	2319	};
1927	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1928		2321
1929	()	2322	()
1930	}	2323	}
1931		2324
		2325	# common code, used by both ->save and ->swapout
1932	sub save {	2326	sub _save {
1933	my ($self) = @_;	2327	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2328
1937	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1938		2330
1939	return unless $self->dirty;	2331	return unless $self->dirty;
1940		2332
…		…
1946	return if $self->{deny_save};	2338	return if $self->{deny_save};
1947		2339
1948	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1949		2341
1950	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1952	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1953		2348
1954	if ($uniq) {	2349	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2352	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2354	}
1960	}	2355	}
1961		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1962	sub swap_out {	2365	sub swap_out {
1963	my ($self) = @_;	2366	my ($self) = @_;
1964		2367
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1970	return if $self->players;	2372	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1974	$self->clear;	2383	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2384	}
1977		2385
1978	sub reset_at {	2386	sub reset_at {
1979	my ($self) = @_;	2387	my ($self) = @_;
1980		2388
…		…
1998		2406
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2408
2001	return if $self->players;	2409	return if $self->players;
2002		2410
2003	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
2004		2412
2005	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
2006		2414
2007	# need to save uniques path	2415	# need to save uniques path
2008	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
2009	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
2010		2418
…		…
2012	if $uniq;	2420	if $uniq;
2013	}	2421	}
2014		2422
2015	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
2016		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2427	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2428
2021	$self->unlink_save;	2429	$self->unlink_save;
2022	$self->destroy;	2430	$self->destroy;
2023	}	2431	}
2024		2432
2025	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
2026		2434
2027	sub nuke {	2435	sub nuke {
2028	my ($self) = @_;	2436	my ($self) = @_;
2029		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
2030	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2031		2442
2032	$self->unlink_save;	2443	$self->unlink_save;
2033		2444
2034	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2450
2040	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
2041		2453
2042	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
2043	}	2455	}
2044		2456
2045	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
2087		2499
2088	sub unique_maps() {	2500	sub unique_maps() {
2089	[	2501	[
2090	map {	2502	map {
2091	utf8::decode $_;	2503	utf8::decode $_;
2092	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2093	? normalise $_	2507	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2509	]
2097	}	2510	}
2098		2511
2099	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2100		2543
2101	=back	2544	=back
2102		2545
2103	=head3 cf::object	2546	=head3 cf::object
2104		2547
…		…
2108		2551
2109	=over 4	2552	=over 4
2110		2553
2111	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2112		2555
2113	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2114		2558
2115	=cut	2559	=cut
2116		2560
2117	sub inv_recursive_;	2561	sub inv_recursive_;
2118	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2121		2565
2122	sub inv_recursive {	2566	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2124	}	2568	}
2125		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
2126	package cf;	2598	package cf;
2127		2599
2128	=back	2600	=back
2129		2601
2130	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2139		2611
2140	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
2141		2627
2142	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2629	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2152		2638
2153	} else {	2639	} else {
2154	my $pl = $self->contr;	2640	my $pl = $self->contr;
2155		2641
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2645
2165	} else {	2646	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2649	}
2169	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
2170	}	2661	}
2171		2662
2172	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
2173		2664
2174	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
2187		2678
2188	=item $player_object->enter_link	2679	=item $player_object->enter_link
2189		2680
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2682
2192	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2194		2687
2195	Will never block.	2688	Will never block.
2196		2689
2197	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2198		2691
…		…
2218	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2712	my ($self) = @_;
2220		2713
2221	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2222		2715
		2716	++$self->{_link_recursion};
		2717
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2719
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2227		2722
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2724	}
2230		2725
2231	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2233		2728
…		…
2250	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2252		2747
2253	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2256		2751
2257	$map->load;	2752	$map->load;
2258	$map->load_diag;
2259		2753
2260	return unless $self->contr->active;	2754	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2755
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2265	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2266		2763
		2764	}
		2765
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2767
2269	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2270	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2772	be called at the end of this process.
2274		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2275	=cut	2777	=cut
2276		2778
2277	our $GOTOGEN;	2779	our $GOTOGEN;
2278		2780
2279	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
2282	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2792
2285	$self->enter_link;	2793	$self->enter_link;
2286		2794
2287	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
2288	my $map = eval {	2817	my $map = eval {
2289	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2290		2819
2291	if ($map) {	2820	if ($map) {
2292	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2823	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2825	}
2297		2826
2298	$map	2827	$map
2299	};	2828	};
2300		2829
…		…
2306	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2309	}	2838	}
2310		2839
2311	$done->() if $done;	2840	$done->($self) if $done;
2312	})->prio (1);	2841	})->prio (1);
2313	}	2842	}
2314		2843
2315	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2316		2845
…		…
2336	}	2865	}
2337		2866
2338	sub prepare_random_map {	2867	sub prepare_random_map {
2339	my ($exit) = @_;	2868	my ($exit) = @_;
2340		2869
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2872	# that depends on the exit object
2346		2873
2347	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2876	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2354	}	2883	}
2355		2884
2356	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2357		2886
2358	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2361		2890
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2893	undef $fh;
2365	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2366		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2369	}	2902	}
2370	}	2903	}
2371		2904
2372	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2374		2907
2375	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2376		2909
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2910	$self->enter_link;
2389		2911
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2912	(async {
2395	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2396	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2397	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2398		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2399	1;	2951	1
2400	}) {	2952	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2957
2406	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2959	$self->leave_link;
2408	}	2960	}
2409	})->prio (1);	2961	})->prio (1);
2410	}	2962	}
2411		2963
…		…
2425		2977
2426	utf8::encode $text;	2978	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2980	}
2429		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		3008
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	3010	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2436		3013
2437	=cut	3014	=cut
2438		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
2439	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3132
2442	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
2443		3154
2444	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2445		3156
2446	if ($self->can_msg) {	3157	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3159	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3160
2459	if ($color >= 0) {	3161	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3162	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3164	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
2470	=item $client->ext_event ($type, %msg)	3169	=item $client->ext_msg ($type, @msg)
2471		3170
2472	Sends an ext event to the client.	3171	Sends an ext event to the client.
2473		3172
2474	=cut	3173	=cut
2475		3174
2476	sub cf::client::ext_event($$%) {	3175	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3176	my ($self, $type, @msg) = @_;
2478		3177
2479	return unless $self->extcmd;	3178	if ($self->extcmd == 2) {
2480		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	3181	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
2483	}	3202	}
2484		3203
2485	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2486		3205
2487	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3261	my ($ns, $buf) = @_;
2543		3262
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3264
2546	if (ref $msg) {	3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3273	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3274	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
2553	} else {	3280	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3282	}
2556		3283
2557	cf::override;	3284	cf::override;
2558	},	3285	},
2559	);	3286	);
…		…
2579		3306
2580	$coro	3307	$coro
2581	}	3308	}
2582		3309
2583	cf::client->attach (	3310	cf::client->attach (
2584	on_destroy => sub {	3311	on_client_destroy => sub {
2585	my ($ns) = @_;	3312	my ($ns) = @_;
2586		3313
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3315	},
2589	);	3316	);
…		…
2604	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2606		3333
2607	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2608		3335
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2610		3341
2611	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2612		3343
2613	=pod	3344	=pod
2614		3345
2615	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2616		3347
2617	cf::object	3348	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3349	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3350	insert remove name archname title slaying race decrease split
		3351	value
2620		3352
2621	cf::object::player	3353	cf::object::player
2622	player	3354	player
2623		3355
2624	cf::player	3356	cf::player
…		…
2629		3361
2630	=cut	3362	=cut
2631		3363
2632	for (	3364	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2638	) {	3371	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3374	for @funs;
2643	}	3375	}
2644		3376
…		…
2659		3391
2660	my $qcode = $code;	3392	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2663		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2664	local $_;	3399	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3400
2667	my $eval =	3401	my $eval =
2668	"do {\n"	3402	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3405	. $code
2672	. "\n}"	3406	. "\n}"
2673	;	3407	;
2674		3408
		3409	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2678		3418
2679	if ($@) {	3419	if ($@) {
2680	warn "$@";	3420	warn "$@",
2681	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2683	}	3423	}
2684		3424
2685	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2686	}	3426	}
2687		3427
…		…
2701	=cut	3441	=cut
2702		3442
2703	sub register_script_function {	3443	sub register_script_function {
2704	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2705		3445
2706	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2708	}	3448	}
2709		3449
2710	=back	3450	=back
2711		3451
2712	=cut	3452	=cut
…		…
2715	# the server's init and main functions	3455	# the server's init and main functions
2716		3456
2717	sub load_facedata($) {	3457	sub load_facedata($) {
2718	my ($path) = @_;	3458	my ($path) = @_;
2719		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
2720	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2721		3467
2722	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2723	0 < aio_load $path, $facedata
2724	or die "$path: $!";
2725
2726	$facedata = Coro::Storable::thaw $facedata;
2727		3469
2728	$facedata->{version} == 2	3470	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
2731	{	3482	{
2732	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2733		3484
2734	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2736	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2740		3493
2741	cf::cede_to_tick;	3494	cf::cede_to_tick;
2742	}	3495	}
2743		3496
2744	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2746	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2747	or next;	3501	or next;
		3502
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3506	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3508	}
2754		3509
2755	cf::cede_to_tick;	3510	cf::cede_to_tick;
2756	}	3511	}
2757	}	3512	}
…		…
2766		3521
2767	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2768	}	3523	}
2769		3524
2770	{	3525	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3527
2776	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3529	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3531
2785	if ($name =~ /\.jpg$/) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3533	cf::face::set_type $idx, $info->{type};
2788	} else {	3534	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3535	$RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3536	}
2795		3537
2796	cf::cede_to_tick;	3538	cf::cede_to_tick;
2797	}	3539	}
2798	}	3540	}
2799		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
2800	1	3544	1
2801	}	3545	}
2802		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
2803	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2804	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
2806		3572
2807	for (cf::region::list) {	3573	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3574	$_->{match} = qr/$_->{match}/
…		…
2816	}	3582	}
2817		3583
2818	sub reload_archetypes {	3584	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references
2822	# this really needs to be done in an extra post-pass
2823	# (which needs to be synchronous, so solve it differently)
2824	load_resource_file "$DATADIR/archetypes"
2825	or die "unable to load archetypes\n";
2826	}	3587	}
2827		3588
2828	sub reload_treasures {	3589	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2831	}	3592	}
2832		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2833	sub reload_resources {	3614	sub reload_resources {
2834	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2835		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2836	reload_regions;	3622	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3623	reload_treasures;
2841		3624
2842	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2843	}	3626	}
2844		3627
2845	sub init {	3628	sub reload_config {
2846	reload_resources;	3629	trace "reloading config file...\n";
2847	}
2848		3630
2849	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2851	or return;	3633	*CFG = decode_yaml $config;
2852		3634
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3636
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3639
2861	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2865	};	3644	};
2866	warn $@ if $@;	3645	warn $@ if $@;
2867	}	3646	}
2868	}	3647	}
2869		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2870	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2871	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3690	(async {
2875	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2877	};	3694	};
2878		3695
2879	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2880	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2881	load_extensions;	3719	load_extensions;
2882		3720
2883	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2885	}	3739	}
2886		3740
2887	#############################################################################	3741	#############################################################################
2888	# initialisation and cleanup	3742	# initialisation and cleanup
2889		3743
2890	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2891	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2900	},
2901	);	3750	};
2902	}	3751	}
2903	}	3752	}
2904		3753
2905	sub write_runtime {	3754	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
2907		3756
2908	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
2910		3759
2911	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3761
2913	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
2914		3763
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3765	or return;
2917		3766
2918	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
2931		3780
2932	close $fh	3781	close $fh
2933	or return;	3782	or return;
2934		3783
2935	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3785	and return;
2937		3786
2938	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3788
2940	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2941	}	3840	}
2942		3841
2943	sub emergency_save() {	3842	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2945		3844
2946	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2947		3851
2948	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2949	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3863	$pl->save;
2957	}	3864	}
2958	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2959		3866
2960	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3872	$map->valid or next;
2964	$map->save;	3873	$map->save;
2965	}	3874	}
2966	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2967		3876
2968	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2971	};	3905	};
2972		3906
2973	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2974	}	3908	}
2975		3909
2976	sub post_cleanup {	3910	sub post_cleanup {
2977	my ($make_core) = @_;	3911	my ($make_core) = @_;
2978		3912
		3913	IO::AIO::flush;
		3914
2979	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
2981	}	3945	}
2982		3946
2983	sub do_reload_perl() {	3947	sub do_reload_perl() {
2984	# can/must only be called in main	3948	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2986	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2987	return;	3951	return;
2988	}	3952	}
2989		3953
2990	warn "reloading...";	3954	return if $RELOAD++;
2991		3955
2992	warn "entering sync_job";	3956	my $t1 = AE::time;
2993		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2994	cf::sync_job {	3964	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	3965	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		3966
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	3969	%EXT_CORO = ();
3023		3970
3024	warn "removing commands";	3971	trace "perl_reload: removing commands";
3025	%COMMAND = ();	3972	%COMMAND = ();
3026		3973
3027	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	3975	%EXTCMD = ();
3029	%EXTICMD = ();	3976	%EXTICMD = ();
3030		3977
3031	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3034		3981
3035	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3036	eval {	3983	eval {
3037	$cb->($pkg);	3984	$cb->($pkg);
3038	1	3985	1
3039	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3040	}	3991	}
3041		3992
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3996
3050	warn "... unloading $k";	3997	trace "... unloading $k";
3051	delete $INC{$k};	3998	delete $INC{$k};
3052		3999
3053	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3055		4002
3056	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3058	}	4008	}
3059		4009
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		4013
3067	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		4017
3071	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3072	# and global variables created in xs	4019	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3074		4021
3075	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3076		4023
3077	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3078	require cf;	4025	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3080		4027
3081	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4029	cf::reload_config;
3083		4030
3084	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4032	cf::load_extensions;
3086		4033
		4034	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3093		4042
3094	warn "leaving sync_job";	4043	cf::_post_init 1;
3095		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3096	1	4047	1
3097	} or do {	4048	} or do {
3098	warn $@;	4049	error $@;
3099	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3101	};	4054	}
3102		4055
3103	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3104	};	4058	};
3105		4059
3106	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3107		4061
3108	sub reload_perl() {	4062	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3111		4065
3112	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4068
3115	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4070	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3119	},	4072	};
3120	);	4073	};
3121	}	4074	}
3122		4075
3123	register_command "reload" => sub {	4076	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
3125		4078
3126	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4083	reload_perl;
		4084	};
3129	}	4085	}
3130	};	4086	};
3131		4087
3132	unshift @INC, $LIBDIR;	4088	#############################################################################
3133		4089
3134	my $bug_warning = 0;	4090	my $bug_warning = 0;
3135		4091
3136	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;
3138
3139	sub wait_for_tick {	4092	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3141	return if $Coro::current == $Coro::main;
3142		4094
3143	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3144	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;
3146	}	4096	}
3147		4097
3148	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3150	return if $Coro::current == $Coro::main;
3151		4100
3152	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4103	$signal->wait;
3155	}	4104	}
3156		4105
3157	my $min = 1e6;#d#	4106	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3169	return;	4110	return;
3170	}	4111	}
3171		4112
3172	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
3173		4114
3174	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3175		4116
3176	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	4119	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
3180	or die;	4121	write_runtime_sync
3181		4122	or error "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4123	};
		4124	}
3198		4125
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4127	$sig->send;
3215	}	4128	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3217	$sig->send;
3218	}
3219		4130
3220	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4133
3231	_post_tick;	4134	if (0) {
3232		4135	if ($NEXT_TICK) {
3233		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3234	},	4140	}
3235	);	4141	}
3236		4142
3237	{	4143	{
3238	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4145
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3248		4147	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4149
3264	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4157
3267	cf::sync_job {	4158	cf::sync_job {
3268	eval {	4159	eval {
3269	BDB::db_env_open	4160	BDB::db_env_open
3270	$DB_ENV,	4161	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4165	0666;
3275		4166
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4168	};
3281		4169
3282	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4171	};
3284	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
3285	}	4183	}
3286		4184
3287	{	4185	{
		4186	# configure IO::AIO
		4187
3288	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4191	}
3301		4192
3302	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3303		4195
3304	sub _log_backtrace {	4196	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3306		4198
3307	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3308		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3312	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3313	my @bt = fork_call {	4212	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3325	}	4224	}
3326		4225
3327	@funcs	4226	@funcs
3328	};	4227	};
3329		4228
3330	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4232	--$_log_backtrace;
3333	};	4233	};
3334	} else {	4234	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4237	}
3338	}	4238	}
3339		4239
3340	# load additional modules	4240	# load additional modules
3341	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3342		4243
3343	END { cf::emergency_save }	4244	END { cf::emergency_save }
3344		4245
3345	1	4246	1
3346		4247

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