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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
211		349
212	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
213		351
214	=over 4	352	=over 4
215		353
…		…
234	$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;
235	$d	373	$d
236	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
237	}	375	}
238		376
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
240		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
241	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
242		392
243	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
244		394
245	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
246		396
247	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
248		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
249	=item cf::lock_wait $string	468	=item cf::lock_wait $string
250		469
251	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
252		471
253	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
254		473
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
258	returned.	477	returned.
259		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
260	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
261	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
262		484
263	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
264		486
265	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.
266		488
267	=cut	489	=cut
268		490
269	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
270		492
271	sub lock_wait($) {	493	sub lock_wait($) {
272	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	495	}
280		496
281	sub lock_acquire($) {	497	sub lock_acquire($) {
282	my ($key) = @_;	498	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	499	}
294		500
295	sub lock_active($) {	501	sub lock_active($) {
296	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	503	}
300		504
301	sub freeze_mainloop {	505	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
303		507
304	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
305	$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	}
306	};	578	}
307	$TICK_WATCHER->stop;	579	};
308	$guard	580
		581	sub get_slot($;$$) {
		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;
309	}	594	}
310		595
311	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
312		597
313	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		603
319	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
320		605
321	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
322		607
323	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
326		612
327	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
328	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
329	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
330	fast or be very important.	616	fast or be very important.
…		…
332	=cut	618	=cut
333		619
334	sub sync_job(&) {	620	sub sync_job(&) {
335	my ($job) = @_;	621	my ($job) = @_;
336		622
337	if ($Coro::current == $Coro::main) {	623	if (in_main) {
338	my $time = Event::time;	624	my $time = AE::time;
339		625
340	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
342		628
343	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	630
345	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
346		632
347	my $busy = 1;	633	my $busy = 1;
348	my @res;	634	my @res;
349		635
350	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	638	@res = eval { $job->() };
352	warn $@ if $@;	639	error $@ if $@;
353	undef $busy;	640	undef $busy;
354	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
355		642
356	while ($busy) {	643	while ($busy) {
357	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
358	}	648	}
		649	}
359		650
360	$time = Event::time - $time;	651	my $time = AE::time - $time;
361		652
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
366		654
367	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
368	} else {	656	} else {
369	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
370		658
…		…
390	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
391		679
392	$coro	680	$coro
393	}	681	}
394		682
395	sub write_runtime {	683	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		684
398	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
400		689
401	IO::AIO::aio_utime $runtime, undef, undef;	690	=cut
402		691
403	my $guard = cf::lock_acquire "write_runtime";	692	sub post_fork {
		693	reset_signals;
		694	}
404		695
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	696	sub fork_call(&@) {
406	or return;	697	my ($cb, @args) = @_;
407		698
408	my $value = $cf::RUNTIME + 90 + 10;	699	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	700	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	701	# TODO: investigate and fix (likely this will be rather laborious)
411		702
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	703	my @res = Coro::Util::fork_eval {
413	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
414		707
415	# always fsync - this file is important	708	wantarray ? @res : $res[-1]
416	aio_fsync $fh	709	}
417	and return;
418		710
419	# touch it again to show we are up-to-date	711	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	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
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		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
		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	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
431	}	875	}
432		876
433	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
434		878
435	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
436		880
437	=cut	881	=cut
438		882
439	sub datalog($@) {	883	sub datalog($@) {
440	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	886	}
443		887
444	=back	888	=back
445		889
446	=cut	890	=cut
447		891
448	#############################################################################	892	#############################################################################
449		893
450	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
451		895
452	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
453	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")
454	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
455		899
456	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>
457	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
458	crossfire+).	902	Deliantra).
459		903
460	=over 4	904	=over 4
461		905
462	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
463		907
…		…
507	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
508		952
509	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
510	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
511		955
512	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
513	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.
514		958
515	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
516		960
517	=over 4	961	=over 4
…		…
641		1085
642	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1088
645	} elsif (ref $type) {	1089	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
647		1091
648	} else {	1092	} else {
649	shift @arg;	1093	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
651	}	1095	}
652	}	1096	}
653	}	1097	}
654		1098
655	sub _object_attach {	1099	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
666	}	1110	}
667		1111
668	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
669	} else {	1113	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1115	}
672		1116
673	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
674	}	1118	}
675		1119
…		…
715	";	1159	";
716	die if $@;	1160	die if $@;
717	}	1161	}
718		1162
719	our $override;	1163	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1165
722	sub override {	1166	sub override {
723	$override = 1;	1167	$override = 1;
724	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
725	}	1169	}
726		1170
727	sub do_invoke {	1171	sub do_invoke {
728	my $event = shift;	1172	my $event = shift;
729	my $callbacks = shift;	1173	my $callbacks = shift;
730		1174
731	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
732		1176
733	local $override;	1177	local $override;
734		1178
735	for (@$callbacks) {	1179	for (@$callbacks) {
736	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
737		1181
738	if ($@) {	1182	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1184	override;
742	}	1185	}
743		1186
744	return 1 if $override;	1187	return 1 if $override;
745	}	1188	}
746		1189
747	0	1190	0
748	}	1191	}
749		1192
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1194
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1196
754	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
755		1198
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1202
760	=back	1203	=back
761		1204
762	=cut	1205	=cut
763		1206
764	#############################################################################	1207	#############################################################################
765	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
766		1251
767	sub reattach {	1252	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1254	my ($obj) = @_;
770		1255
		1256	# no longer needed after getting rid of delete_package?
771	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
772		1258
773	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
774		1260
775	@$registry = ();	1261	@$registry = ();
776		1262
…		…
781	for (@$attach) {	1267	for (@$attach) {
782	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
784	}	1270	}
785	} else {	1271	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1273	}
788	}	1274	}
789	}	1275	}
790		1276
791	cf::attachable->attach (	1277	cf::attachable->attach (
792	prio => -1000000,	1278	prio => -1000000,
793	on_instantiate => sub {	1279	on_instantiate => sub {
794	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
795		1281
796	$data = from_json $data;	1282	$data = decode_json $data;
797		1283
798	for (@$data) {	1284	for (@$data) {
799	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
800		1286
801	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1303	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
819		1305
820	sync_job {	1306	sync_job {
821	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
824		1312
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1320	aio_close $fh;
830		1321
831	if (@$objs) {	1322	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1331	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
839	}	1333	}
840	} else {	1334	} else {
841	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
842	}	1336	}
843		1337
844	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1342	} else {
846	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
847	}	1344	}
848	} else {	1345	} else {
849	aio_unlink $filename;	1346	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
851	}	1348	}
852	}	1349	};
853	}	1350	}
854		1351
855	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
857		1354
…		…
869	or return;	1366	or return;
870		1367
871	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
873	or return;	1370	or return;
		1371
874	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
875	}	1374	}
876		1375
		1376	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
879	return ($data, $av);	1381	($data, $av)
880	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
881		1389
882	#############################################################################	1390	#############################################################################
883	# command handling &c	1391	# command handling &c
884		1392
885	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1407	}
900		1408
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1410
903	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
904		1416
905	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
906	called.	1418	called.
907		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
908	=cut	1431	=cut
909		1432
910	sub register_extcmd {	1433	sub register_extcmd {
911	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
912		1435
913	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
914	}	1437	}
915		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
916	cf::player->attach (	1447	cf::player->attach (
917	on_command => sub {	1448	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
919		1450
920	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
921	or return;	1452	or return;
922		1453
…		…
927	cf::override;	1458	cf::override;
928	},	1459	},
929	on_extcmd => sub {	1460	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
931		1462
932	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1464
934	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
940	} else {	1477	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1479	}
943		1480
944	cf::override;	1481	cf::override;
945	},	1482	},
946	);	1483	);
947		1484
		1485	# "readahead" all extensions
948	sub load_extension {	1486	sub cache_extensions {
949	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
950		1488
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1492	}
976	die $@;
977	}	1493	};
978		1494
979	push @EXTS, $pkg;	1495	$grp
980	}	1496	}
981		1497
982	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
983	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1505	next unless -r $path;
985	eval {	1506
986	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
987	1	1570	}
988	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
989	}	1583	};
990	}	1584	}
991		1585
992	#############################################################################	1586	#############################################################################
993		1587
		1588	=back
		1589
994	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
995		1591
996	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
997		1593
998	=cut	1594	=cut
999		1595
1000	package cf::player;	1596	package cf::player;
1001		1597
1002	use Coro::AIO;	1598	use Coro::AIO;
1003		1599
1004	=head3 cf::player	1600	=head3 cf::player
1005		1601
1006	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1007		1617
1008	=item cf::player::find $login	1618	=item cf::player::find $login
1009		1619
1010	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1011		1621
…		…
1030		1640
1031	sub exists($) {	1641	sub exists($) {
1032	my ($login) = @_;	1642	my ($login) = @_;
1033		1643
1034	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1036	}	1646	}
1037		1647
1038	sub find($) {	1648	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1650	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1661
1052	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1055	}	1671	}
1056	}	1672	}
1057	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1058		1687
1059	sub save($) {	1688	sub save($) {
1060	my ($pl) = @_;	1689	my ($pl) = @_;
1061		1690
1062	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1068		1697
1069	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1071		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1072	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1073	Coro::cede;	1707	cf::cede_to_tick;
1074	}	1708	}
1075		1709
1076	sub new($) {	1710	sub new($) {
1077	my ($login) = @_;	1711	my ($login) = @_;
1078		1712
…		…
1084	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1085		1719
1086	$self	1720	$self
1087	}	1721	}
1088		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1089	=item $pl->quit_character	1733	=item $pl->quit_character
1090		1734
1091	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1093		1737
…		…
1097	my ($pl) = @_;	1741	my ($pl) = @_;
1098		1742
1099	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1100		1744
1101	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1747
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1107	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1108		1756
1109	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1146	or return [];	1794	or return [];
1147		1795
1148	my @logins;	1796	my @logins;
1149		1797
1150	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1154		1808
1155	utf8::decode $login;	1809	utf8::decode $login;
1156	push @logins, $login;	1810	push @logins, $login;
1157	}	1811	}
1158		1812
1159	\@logins	1813	\@logins
1160	}	1814	}
1161		1815
1162	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1163		1819
1164	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1165	player. May block.	1821	player. May block.
1166		1822
1167	=cut	1823	=cut
…		…
1185	}	1841	}
1186		1842
1187	\@paths	1843	\@paths
1188	}	1844	}
1189		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1190	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1191		1851
1192	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1193		1853
1194	=cut	1854	=cut
1195		1855
1196	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1198		1858
1199	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1860	}
1203		1861
1204	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1205		1863
1206	Sends an ext event to the client.	1864	Sends an ext event to the client.
1207		1865
1208	=cut	1866	=cut
1209		1867
1210	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1212		1870
1213	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1214	}	1872	}
1215		1873
1216	=head3 cf::region	1874	=head3 cf::region
1217		1875
1218	=over 4	1876	=over 4
…		…
1221		1879
1222	package cf::region;	1880	package cf::region;
1223		1881
1224	=item cf::region::find_by_path $path	1882	=item cf::region::find_by_path $path
1225		1883
1226	Tries to decuce the probable region for a map knowing only its path.	1884	Tries to decuce the likely region for a map knowing only its path.
1227		1885
1228	=cut	1886	=cut
1229		1887
1230	sub find_by_path($) {	1888	sub find_by_path($) {
1231	my ($path) = @_;	1889	my ($path) = @_;
1232		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1233	my ($match, $specificity);	1893	my ($match, $specificity);
1234		1894
1235	for my $region (list) {	1895	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1239	}	1899	}
1240	}	1900	}
1241		1901
…		…
1262	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1264		1924
1265	sub generate_random_map {	1925	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1268	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1931	}
1282		1932
1283	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1284		1934
1285	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1290		1940
1291	sub register {	1941	sub register {
1292	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1943	my $pkg = caller;
1294		1944
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1946
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1948	}
1300		1949
1301	# also paths starting with '/'	1950	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1952
1304	sub thawer_merge {	1953	sub thawer_merge {
1305	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1306		1955
1307	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1312	}	1961	}
1313		1962
1314	sub normalise {	1963	sub normalise {
1315	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1316		1965
1317	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1318		1967
1319	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1320		1969
1321	# map plan:	1970	# map plan:
1322	#	1971	#
…		…
1337	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	1987	$path = "$base/$path";
1339	}	1988	}
1340		1989
1341	for ($path) {	1990	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1345	}	1993	}
1346		1994
1347	$path	1995	$path
…		…
1361	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1362	return $self;	2010	return $self;
1363	}	2011	}
1364	}	2012	}
1365		2013
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2015	()
1368	}	2016	}
1369		2017
		2018	# may re-bless or do other evil things
1370	sub init {	2019	sub init {
1371	my ($self) = @_;	2020	my ($self) = @_;
1372		2021
1373	$self	2022	$self
1374	}	2023	}
…		…
1393		2042
1394	# the temporary/swap location	2043	# the temporary/swap location
1395	sub save_path {	2044	sub save_path {
1396	my ($self) = @_;	2045	my ($self) = @_;
1397		2046
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1400	}	2049	}
1401		2050
1402	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1403	sub uniq_path {	2052	sub uniq_path {
1404	my ($self) = @_;	2053	my ($self) = @_;
1405		2054
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2057	}
1418		2058
1419	sub decay_objects {	2059	sub decay_objects {
1420	my ($self) = @_;	2060	my ($self) = @_;
1421		2061
…		…
1434		2074
1435	sub load_header_from($) {	2075	sub load_header_from($) {
1436	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1437		2077
1438	utf8::encode $path;	2078	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2080	or return;
1444		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1445	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1446		2089
1447	1	2090	1
1448	}	2091	}
1449		2092
		2093	# used to laod the header of an original map
1450	sub load_header_orig {	2094	sub load_header_orig {
1451	my ($self) = @_;	2095	my ($self) = @_;
1452		2096
1453	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1454	}	2098	}
1455		2099
		2100	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2101	sub load_header_temp {
1457	my ($self) = @_;	2102	my ($self) = @_;
1458		2103
1459	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1460	}	2105	}
1461		2106
		2107	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2108	sub prepare_temp {
1463	my ($self) = @_;	2109	my ($self) = @_;
1464		2110
1465	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1467	# safety	2113	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2116	}
1471		2117
		2118	# called after loading the header from an original map
1472	sub prepare_orig {	2119	sub prepare_orig {
1473	my ($self) = @_;	2120	my ($self) = @_;
1474		2121
1475	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2147
1501	sub find;	2148	sub find;
1502	sub find {	2149	sub find {
1503	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1504		2151
		2152	cf::cede_to_tick;
		2153
1505	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1506		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2158
1509	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1512	or return;	2161	or return;
1513		2162
1514	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1515		2164
…		…
1517	or return;	2166	or return;
1518		2167
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1522	$map->reset;	2173	$map->reset;
1523	undef $guard;
1524	return find $path;	2174	return find $path;
1525	}	2175	}
1526		2176
1527	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1528	}	2178	}
1529	}	2179	}
1530		2180
1531	sub pre_load { }	2181	sub pre_load { }
1532	sub post_load { }	2182	#sub post_load { } # XS
1533		2183
1534	sub load {	2184	sub load {
1535	my ($self) = @_;	2185	my ($self) = @_;
1536		2186
1537	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1538		2188
1539	my $path = $self->{path};	2189	my $path = $self->{path};
1540		2190
1541	{	2191	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1543		2193
		2194	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2196
1548	$self->alloc;	2197	$self->alloc;
1549		2198
1550	$self->pre_load;	2199	$self->pre_load;
1551	Coro::cede;	2200	cf::cede_to_tick;
1552		2201
1553	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1554	or return;	2206	or return;
1555		2207
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1557	if delete $self->{load_original};	2209	if delete $self->{load_original};
1558		2210
1559	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2212	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2215	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1564	}	2220	}
1565	}
1566		2221
1567	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1568	# now do the right thing for maps	2231	# now do the right thing for maps
1569	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2234	unless $self->difficulty;
1572	Coro::cede;	2235	cf::cede_to_tick;
1573		2236
1574	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2238	$self->decay_objects;
1576	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1577	$self->update_buttons;	2240	$self->update_buttons;
1578	Coro::cede;	2241	cf::cede_to_tick;
1579	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1580	Coro::cede;
1581	$self->activate;
1582	}	2243	}
1583		2244
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1585	}	2247	}
1586		2248
1587	$self->post_load;	2249	$self->post_load;
1588	}
1589		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2257	sub customise_for {
1591	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1592		2259
1593	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2261	if $self->per_player;
…		…
1597	# if $self->per_party;	2264	# if $self->per_party;
1598		2265
1599	$self	2266	$self
1600	}	2267	}
1601		2268
1602	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {
1604	my ($map) = @_;
1605
1606	my @diag; # diagonal neighbours
1607
1608	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)
1610	or next;
1611	$neigh = find $neigh, $map
1612	or next;
1613	$neigh->load;
1614
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}
1618
1619	for (@diag) {
1620	my $neigh = find @$_
1621	or next;
1622	$neigh->load;
1623	}
1624	}
1625
1626	sub find_sync {	2269	sub find_sync {
1627	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1628		2271
1629	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1630	}	2277	}
1631		2278
1632	sub do_load_sync {	2279	sub do_load_sync {
1633	my ($map) = @_;	2280	my ($map) = @_;
1634		2281
1635	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1636	}	2287	}
1637		2288
1638	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1640		2291
1641	sub find_async {	2292	sub find_async {
1642	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1643		2294
1644	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1645		2296
1646	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1648	}	2299	}
1649		2300
1650	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1651	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1652	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2308	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2309	$map->load if $v;
		2310	}
1657		2311
1658	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1659	}	2313	}
1660	}	2314	}
1661	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1662	};	2316	};
1663	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1664		2318
1665	()	2319	()
1666	}	2320	}
1667		2321
		2322	# common code, used by both ->save and ->swapout
1668	sub save {	2323	sub _save {
1669	my ($self) = @_;	2324	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2325
1673	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1674		2327
1675	return unless $self->dirty;	2328	return unless $self->dirty;
1676		2329
…		…
1682	return if $self->{deny_save};	2335	return if $self->{deny_save};
1683		2336
1684	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1685		2338
1686	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1688	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1689		2345
1690	if ($uniq) {	2346	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2349	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2351	}
1696	}	2352	}
1697		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1698	sub swap_out {	2362	sub swap_out {
1699	my ($self) = @_;	2363	my ($self) = @_;
1700		2364
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1706	return if $self->players;	2369	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1710	$self->clear;	2380	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2381	}
1713		2382
1714	sub reset_at {	2383	sub reset_at {
1715	my ($self) = @_;	2384	my ($self) = @_;
1716		2385
…		…
1734		2403
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2405
1737	return if $self->players;	2406	return if $self->players;
1738		2407
1739	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
1740		2409
1741	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1742		2411
1743	# need to save uniques path	2412	# need to save uniques path
1744	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2415
…		…
1748	if $uniq;	2417	if $uniq;
1749	}	2418	}
1750		2419
1751	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1752		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2424	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2425
1757	$self->unlink_save;	2426	$self->unlink_save;
1758	$self->destroy;	2427	$self->destroy;
1759	}	2428	}
1760		2429
1761	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1762		2431
1763	sub nuke {	2432	sub nuke {
1764	my ($self) = @_;	2433	my ($self) = @_;
1765		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1766	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1767		2439
1768	$self->unlink_save;	2440	$self->unlink_save;
1769		2441
1770	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2447
1776	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1777		2450
1778	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1779	}	2488	}
1780		2489
1781	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1782		2491
1783	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2493	instantiated unique items. May block.
1785		2494
1786	=cut	2495	=cut
1787		2496
1788	sub unique_maps() {	2497	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2498	[
1790	or return;	2499	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2500	utf8::decode $_;
1796	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2503	? ()
1799	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2506	]
1801
1802	\@paths
1803	}	2507	}
1804		2508
1805	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1806		2540
1807	=back	2541	=back
1808		2542
1809	=head3 cf::object	2543	=head3 cf::object
1810		2544
…		…
1814		2548
1815	=over 4	2549	=over 4
1816		2550
1817	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1818		2552
1819	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1820		2555
1821	=cut	2556	=cut
1822		2557
1823	sub inv_recursive_;	2558	sub inv_recursive_;
1824	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1827		2562
1828	sub inv_recursive {	2563	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1830	}	2565	}
1831		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1832	package cf;	2595	package cf;
1833		2596
1834	=back	2597	=back
1835		2598
1836	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1845		2608
1846	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1847		2624
1848	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2626	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1853		2630
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2632
1856	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1858	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1861	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1862	}	2658	}
1863		2659
1864	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1865		2661
1866	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1879		2675
1880	=item $player_object->enter_link	2676	=item $player_object->enter_link
1881		2677
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2679
1884	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1886		2684
1887	Will never block.	2685	Will never block.
1888		2686
1889	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1890		2688
…		…
1910	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1911	my ($self) = @_;	2709	my ($self) = @_;
1912		2710
1913	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1914		2712
		2713	++$self->{_link_recursion};
		2714
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2716
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
1919		2719
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2721	}
1922		2722
1923	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
1925		2725
…		…
1942	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1944		2744
1945	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1948		2748
1949	$map->load;	2749	$map->load;
1950	$map->load_diag;
1951		2750
1952	return unless $self->contr->active;	2751	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2752
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1957	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
1958		2760
		2761	}
		2762
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1960		2764
1961	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
1965		2773
1966	=cut	2774	=cut
1967		2775
1968	our $GOTOGEN;	2776	our $GOTOGEN;
1969		2777
1970	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
1972		2786
1973	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2789
1976	$self->enter_link;	2790	$self->enter_link;
1977		2791
1978	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1979	my $map = eval {	2814	my $map = eval {
1980	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1981		2816
1982	if ($map) {	2817	if ($map) {
1983	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
1985	} else {	2820	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2822	}
1988		2823
1989	$map	2824	$map
1990	};	2825	};
1991		2826
…		…
1996		2831
1997	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2000	}	2835	}
		2836
		2837	$done->($self) if $done;
2001	})->prio (1);	2838	})->prio (1);
2002	}	2839	}
2003		2840
2004	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2005		2842
…		…
2025	}	2862	}
2026		2863
2027	sub prepare_random_map {	2864	sub prepare_random_map {
2028	my ($exit) = @_;	2865	my ($exit) = @_;
2029		2866
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2869	# that depends on the exit object
2035		2870
2036	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2873	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2043	}	2880	}
2044		2881
2045	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2046		2883
2047	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2050		2887
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2890	undef $fh;
2054	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2055		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2058	}	2899	}
2059	}	2900	}
2060		2901
2061	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2063		2904
2064	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2065		2906
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2907	$self->enter_link;
2078		2908
2079	(async {	2909	(async {
2080	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2081	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2082	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2083		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2084	1;	2948	1
2085	}) {	2949	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2954
2091	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2092	$self->leave_link;	2956	$self->leave_link;
2093	}	2957	}
2094	})->prio (1);	2958	})->prio (1);
2095	}	2959	}
2096		2960
…		…
2110		2974
2111	utf8::encode $text;	2975	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2977	}
2114		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2115	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2116		3167
2117	Sends an exti event to the client.	3168	Sends an ext event to the client.
2118		3169
2119	=cut	3170	=cut
2120		3171
2121	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2123		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2126	}	3195	}
2127		3196
2128	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2129		3198
2130	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3202
2134	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3204	become reliable at some point in the future.
2136		3205
2137	=cut	3206	=cut
2138		3207
2139	sub cf::client::query {	3208	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3217	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3219
2151	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2153	}	3224	}
2154		3225
2155	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2156	on_reply => sub {	3232	on_reply => sub {
2157	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2158		3234
2159	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2160	# get handled first	3236	# get handled first
…		…
2172	} else {	3248	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3250	}
2175	}	3251	}
2176	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2177	);	3276	);
2178		3277
2179	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2180		3279
2181	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3296
2198	$coro	3297	$coro
2199	}	3298	}
2200		3299
2201	cf::client->attach (	3300	cf::client->attach (
2202	on_destroy => sub {	3301	on_client_destroy => sub {
2203	my ($ns) = @_;	3302	my ($ns) = @_;
2204		3303
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3305	},
2207	);	3306	);
…		…
2222	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2224		3323
2225	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2226		3325
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2228		3331
2229	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2230		3333
2231	=pod	3334	=pod
2232		3335
2233	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2234		3337
2235	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2236	cf::object::player player	3343	cf::object::player
2237	cf::player peaceful	3344	player
2238	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2239		3351
2240	=cut	3352	=cut
2241		3353
2242	for (	3354	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2247	) {	3361	) {
2248	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2251	for @funs;	3364	for @funs;
2252	}	3365	}
2253		3366
…		…
2268		3381
2269	my $qcode = $code;	3382	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2272		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2273	local $_;	3389	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3390
2276	my $eval =	3391	my $eval =
2277	"do {\n"	3392	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3395	. $code
2281	. "\n}"	3396	. "\n}"
2282	;	3397	;
2283		3398
		3399	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2287		3408
2288	if ($@) {	3409	if ($@) {
2289	warn "$@";	3410	warn "$@",
2290	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2291	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2292	}	3413	}
2293		3414
2294	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2295	}	3416	}
2296		3417
…		…
2310	=cut	3431	=cut
2311		3432
2312	sub register_script_function {	3433	sub register_script_function {
2313	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2314		3435
2315	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2317	}	3438	}
2318		3439
2319	=back	3440	=back
2320		3441
2321	=cut	3442	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3443
2495	#############################################################################	3444	#############################################################################
2496	# the server's init and main functions	3445	# the server's init and main functions
2497		3446
2498	sub load_facedata($) {	3447	sub load_facedata($) {
2499	my ($path) = @_;	3448	my ($path) = @_;
2500		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2501	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2502		3457
2503	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2504	0 < aio_load $path, $facedata
2505	or die "$path: $!";
2506
2507	$facedata = Coro::Storable::thaw $facedata;
2508		3459
2509	$facedata->{version} == 2	3460	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2512	{	3472	{
2513	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2514		3474
2515	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2521	}	3485	}
2522		3486
2523	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2525	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2526	or next;	3491	or next;
		3492
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3496	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3498	}
2532	Coro::cede;	3499
		3500	cf::cede_to_tick;
2533	}	3501	}
2534	}	3502	}
2535		3503
2536	{	3504	{
2537	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2538		3506
2539	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3509	cf::cede_to_tick;
2542	}	3510	}
2543		3511
2544	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2545	}	3513	}
2546		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
2547	1	3536	1
2548	}	3537	}
2549		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2550	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2551	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
2553	}	3569	}
2554		3570
2555	sub reload_facedata {	3571	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3572	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3573	or die "unable to load facedata\n";
…		…
2565	sub reload_treasures {	3581	sub reload_treasures {
2566	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2567	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2568	}	3584	}
2569		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2570	sub reload_resources {	3606	sub reload_resources {
2571	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2572		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2573	reload_regions;	3614	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3615	reload_treasures;
2578		3616
2579	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2580	}	3618	}
2581		3619
2582	sub init {	3620	sub reload_config {
2583	reload_resources;	3621	trace "reloading config file...\n";
2584	}
2585		3622
2586	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2588	or return;	3625	*CFG = decode_yaml $config;
2589		3626
2590	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;
2592
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2594		3628
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597		3631
2598	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2602	};	3636	};
2603	warn $@ if $@;	3637	warn $@ if $@;
2604	}	3638	}
2605	}	3639	}
2606		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2607	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2608	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3682	(async {
2612	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2614	};	3686	};
2615		3687
2616	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2617	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2618	load_extensions;	3711	load_extensions;
2619		3712
2620	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2622	}	3730	}
2623		3731
2624	#############################################################################	3732	#############################################################################
2625	# initialisation and cleanup	3733	# initialisation and cleanup
2626		3734
2627	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2628	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2637	},
2638	);	3741	};
		3742	}
		3743	}
		3744
		3745	sub write_runtime_sync {
		3746	my $t0 = AE::time;
		3747
		3748	# first touch the runtime file to show we are still running:
		3749	# the fsync below can take a very very long time.
		3750
		3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3752
		3753	my $guard = cf::lock_acquire "write_runtime";
		3754
		3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3756	or return;
		3757
		3758	my $value = $cf::RUNTIME + 90 + 10;
		3759	# 10 is the runtime save interval, for a monotonic clock
		3760	# 60 allows for the watchdog to kill the server.
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	# touch it again to show we are up-to-date
		3770	aio_utime $fh, undef, undef;
		3771
		3772	close $fh
		3773	or return;
		3774
		3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3776	and return;
		3777
		3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3779
2639	}	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2640	}	3831	}
2641		3832
2642	sub emergency_save() {	3833	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2644		3835
2645	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2646		3842
2647	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2648	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3854	$pl->save;
2656	}	3855	}
2657	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2658		3857
2659	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3863	$map->valid or next;
2663	$map->save;	3864	$map->save;
2664	}	3865	}
2665	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2666		3867
2667	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2670	};	3896	};
2671		3897
2672	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2673	}	3899	}
2674		3900
2675	sub post_cleanup {	3901	sub post_cleanup {
2676	my ($make_core) = @_;	3902	my ($make_core) = @_;
2677		3903
		3904	IO::AIO::flush;
		3905
2678	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
2680	}	3936	}
2681		3937
2682	sub do_reload_perl() {	3938	sub do_reload_perl() {
2683	# can/must only be called in main	3939	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2685	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2686	return;	3942	return;
2687	}	3943	}
2688		3944
2689	warn "reloading...";	3945	return if $RELOAD++;
2690		3946
2691	warn "entering sync_job";	3947	my $t1 = AE::time;
2692		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2693	cf::sync_job {	3955	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark
2695	cf::emergency_save;	3956	#cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark
2697		3957
2698	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;
2700
2701	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();	3960	%EXT_CORO = ();
2722		3961
2723	warn "removing commands";	3962	trace "perl_reload: removing commands";
2724	%COMMAND = ();	3963	%COMMAND = ();
2725		3964
2726	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2727	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2728		3968
2729	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2732		3972
2733	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2734	eval {	3974	eval {
2735	$cb->($pkg);	3975	$cb->($pkg);
2736	1	3976	1
2737	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2738	}	3982	}
2739		3983
2740	warn "... nuking $pkg";
2741	Symbol::delete_package $pkg;
2742	}
2743
2744	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2745	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3987
2748	warn "... unloading $k";	3988	trace "... unloading $k";
2749	delete $INC{$k};	3989	delete $INC{$k};
2750		3990
2751	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2753		3993
2754	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2755	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2756	}	3999	}
2757		4000
2758	Symbol::delete_package $k;
2759	}
2760
2761	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		4004
2765	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		4008
2769	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2770	# and global variables created in xs	4010	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2772		4012
2773	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2774		4014
2775	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2776	require cf;	4016	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2778		4018
2779	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2780	cf::cfg_load;	4020	cf::reload_config;
2781		4021
2782	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2783	cf::load_extensions;	4023	cf::load_extensions;
2784		4024
		4025	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2788	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
2791		4033
2792	warn "leaving sync_job";	4034	cf::_post_init 1;
2793		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
2794	1	4038	1
2795	} or do {	4039	} or do {
2796	warn $@;	4040	error $@;
2797	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
2798	exit 1;	4042	};
		4043
		4044	--$RELOAD;
2799	};	4045	}
2800		4046
2801	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
2802	};	4049	};
2803		4050
2804	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
2805		4052
2806	sub reload_perl() {	4053	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
2809		4056
2810	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	4059
2813	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	4061	do_reload_perl;
2816	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
2817	},	4063	};
2818	);	4064	};
2819	}	4065	}
2820		4066
2821	register_command "reload" => sub {	4067	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2823		4069
2824	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	4074	reload_perl;
		4075	};
2827	}	4076	}
2828	};	4077	};
2829		4078
2830	unshift @INC, $LIBDIR;	4079	#############################################################################
2831		4080
2832	my $bug_warning = 0;	4081	my $bug_warning = 0;
2833		4082
2834	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;
2836
2837	sub wait_for_tick {	4083	sub wait_for_tick() {
2838	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2839	return if $Coro::current == $Coro::main;
2840		4085
2841	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
2842	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;
2844	}	4087	}
2845		4088
2846	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
2847	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2848	return if $Coro::current == $Coro::main;
2849		4091
2850	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	4094	$signal->wait;
2853	}	4095	}
2854		4096
2855	my $min = 1e6;#d#	4097	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2867	return;	4101	return;
2868	}	4102	}
2869		4103
2870	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
2871		4105
2872	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2873		4107
2874	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	4110	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
2878	or die;	4112	write_runtime_sync
2879		4113	or error "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	4114	};
		4115	}
2896		4116
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4118	$sig->send;
2913	}	4119	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
2915	$sig->send;
2916	}
2917		4121
2918	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4124
2929	_post_tick;	4125	if (0) {
2930		4126	if ($NEXT_TICK) {
2931		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
2932	},	4131	}
2933	);	4132	}
2934		4133
2935	{	4134	{
2936	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4136
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2946		4138	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4140
2962	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4148
2965	cf::sync_job {	4149	cf::sync_job {
2966	eval {	4150	eval {
2967	BDB::db_env_open	4151	BDB::db_env_open
2968	$DB_ENV,	4152	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4156	0666;
2973		4157
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4159	};
2979		4160
2980	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4162	};
2982	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2983	}	4174	}
2984		4175
2985	{	4176	{
		4177	# configure IO::AIO
		4178
2986	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4182	}
2999		4183
3000	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3001		4186
3002	sub _log_backtrace {	4187	sub _log_backtrace {
3003	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3004		4189
3005	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3006		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3007	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3009	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3010	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3011	my @bt = fork_call {	4203	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3023	}	4215	}
3024		4216
3025	@funcs	4217	@funcs
3026	};	4218	};
3027		4219
3028	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4223	--$_log_backtrace;
3031	};	4224	};
3032	} else {	4225	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3035	}	4228	}
3036	}	4229	}
3037		4230
3038	# load additional modules	4231	# load additional modules
3039	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3040		4234
3041	END { cf::emergency_save }	4235	END { cf::emergency_save }
3042		4236
3043	1	4237	1
3044		4238

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