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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		146
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
98		159
99	binmode STDOUT;	160	binmode STDOUT;
100	binmode STDERR;	161	binmode STDERR;
101		162
102	# read virtual server time, if available	163	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
107	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
108		171
109	mkdir $_	172	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		174
112	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
113		176
114	sub cf::map::normalise;	177	sub cf::map::normalise;
115		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
116	#############################################################################	183	#############################################################################
117		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
118	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
119		197
120	=over 4	198	=over 4
121		199
122	=item $cf::UPTIME	200	=item $cf::UPTIME
123		201
124	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
125		218
126	=item $cf::RUNTIME	219	=item $cf::RUNTIME
127		220
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	222	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
138	database environment.	231	database environment.
139		232
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	233	=item $cf::LOADAVG
149		234
150	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
155		240
156	The raw value load value from the last tick.	241	The raw value load value from the last tick.
157		242
158	=item %cf::CFG	243	=item %cf::CFG
159		244
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	246	from wherever your confdir points to.
162		247
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		249
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
169	=back	283	=back
170		284
171	=cut	285	=cut
172		286
173	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	294	my $msg = join "", @_;
176		295
177	$msg .= "\n"	296	$msg .= "\n"
178	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
179		298
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		300
182	utf8::encode $msg;
183	LOG llevError, $msg;	301	LOG llevWarn, $msg;
184	};	302	};
185	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
186		317
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	328	for my $pkg (qw(
198	cf::global cf::attachable	329	cf::global cf::attachable
199	cf::object cf::object::player	330	cf::object cf::object::player
200	cf::client cf::player	331	cf::client cf::player
201	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
202	cf::map cf::party cf::region	334	cf::party cf::region
203	)) {	335	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	337	}
207		338
208	$Event::DIED = sub {	339	$EV::DIED = sub {
209	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
210	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		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";#d#
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 || []};#d#	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) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
940	} else {	1480	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1482	}
943		1483
944	cf::override;	1484	cf::override;
945	},	1485	},
946	);	1486	);
947		1487
		1488	# "readahead" all extensions
948	sub load_extension {	1489	sub cache_extensions {
949	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
950		1491
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1494	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	}	1495	}
976	die $@;
977	}	1496	};
978		1497
979	push @EXTS, $pkg;	1498	$grp
980	}	1499	}
981		1500
982	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
983	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1508	next unless -r $path;
985	eval {	1509
986	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
987	1	1573	}
988	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
989	}	1586	};
990	}	1587	}
991		1588
992	#############################################################################	1589	#############################################################################
993		1590
		1591	=back
		1592
994	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
995		1594
996	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
997		1596
998	=cut	1597	=cut
999		1598
1000	package cf::player;	1599	package cf::player;
1001		1600
1002	use Coro::AIO;	1601	use Coro::AIO;
1003		1602
1004	=head3 cf::player	1603	=head3 cf::player
1005		1604
1006	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1007		1620
1008	=item cf::player::find $login	1621	=item cf::player::find $login
1009		1622
1010	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1011		1624
…		…
1030		1643
1031	sub exists($) {	1644	sub exists($) {
1032	my ($login) = @_;	1645	my ($login) = @_;
1033		1646
1034	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1036	}	1649	}
1037		1650
1038	sub find($) {	1651	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1653	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1664
1052	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1055	}	1674	}
1056	}	1675	}
1057	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1058		1690
1059	sub save($) {	1691	sub save($) {
1060	my ($pl) = @_;	1692	my ($pl) = @_;
1061		1693
1062	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1068		1700
1069	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1071		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1072	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1073	Coro::cede;	1710	cf::cede_to_tick;
1074	}	1711	}
1075		1712
1076	sub new($) {	1713	sub new($) {
1077	my ($login) = @_;	1714	my ($login) = @_;
1078		1715
…		…
1084	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1085		1722
1086	$self	1723	$self
1087	}	1724	}
1088		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1089	=item $pl->quit_character	1736	=item $pl->quit_character
1090		1737
1091	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1093		1740
…		…
1097	my ($pl) = @_;	1744	my ($pl) = @_;
1098		1745
1099	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1100		1747
1101	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1750
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1107	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1108		1759
1109	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1146	or return [];	1797	or return [];
1147		1798
1148	my @logins;	1799	my @logins;
1149		1800
1150	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1154		1811
1155	utf8::decode $login;	1812	utf8::decode $login;
1156	push @logins, $login;	1813	push @logins, $login;
1157	}	1814	}
1158		1815
1159	\@logins	1816	\@logins
1160	}	1817	}
1161		1818
1162	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1163		1822
1164	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1165	player. May block.	1824	player. May block.
1166		1825
1167	=cut	1826	=cut
…		…
1185	}	1844	}
1186		1845
1187	\@paths	1846	\@paths
1188	}	1847	}
1189		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1190	=item $player->ext_reply ($msgid, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1191		1854
1192	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1193		1856
1194	=cut	1857	=cut
1195		1858
1196	sub ext_reply($$%) {	1859	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1198		1861
1199	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1863	}
1203		1864
1204	=item $player->ext_event ($type, %msg)	1865	=item $player->ext_msg ($type, @msg)
1205		1866
1206	Sends an ext event to the client.	1867	Sends an ext event to the client.
1207		1868
1208	=cut	1869	=cut
1209		1870
1210	sub ext_event($$%) {	1871	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1872	my ($self, $type, @msg) = @_;
1212		1873
1213	$self->ns->ext_event ($type, %msg);	1874	$self->ns->ext_msg ($type, @msg);
1214	}	1875	}
1215		1876
1216	=head3 cf::region	1877	=head3 cf::region
1217		1878
1218	=over 4	1879	=over 4
…		…
1221		1882
1222	package cf::region;	1883	package cf::region;
1223		1884
1224	=item cf::region::find_by_path $path	1885	=item cf::region::find_by_path $path
1225		1886
1226	Tries to decuce the probable region for a map knowing only its path.	1887	Tries to decuce the likely region for a map knowing only its path.
1227		1888
1228	=cut	1889	=cut
1229		1890
1230	sub find_by_path($) {	1891	sub find_by_path($) {
1231	my ($path) = @_;	1892	my ($path) = @_;
1232		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
1233	my ($match, $specificity);	1896	my ($match, $specificity);
1234		1897
1235	for my $region (list) {	1898	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1899	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1900	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1901	if $region->specificity > $specificity;
1239	}	1902	}
1240	}	1903	}
1241		1904
…		…
1262	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1264		1927
1265	sub generate_random_map {	1928	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1268	$self->_create_random_map (	1933	$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	}	1934	}
1282		1935
1283	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1284		1937
1285	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1290		1943
1291	sub register {	1944	sub register {
1292	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	1946	my $pkg = caller;
1294		1947
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		1949
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	1951	}
1300		1952
1301	# also paths starting with '/'	1953	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		1955
1304	sub thawer_merge {	1956	sub thawer_merge {
1305	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1306		1958
1307	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1308	local $self->{path};	1960	local $self->{path};
1309	local $self->{load_path};	1961	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1962
1313	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1314	}	1964	}
1315		1965
1316	sub normalise {	1966	sub normalise {
1317	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1318		1968
1319	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1320		1970
1321	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1322		1972
1323	# map plan:	1973	# map plan:
1324	#	1974	#
…		…
1339	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	1990	$path = "$base/$path";
1341	}	1991	}
1342		1992
1343	for ($path) {	1993	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1347	}	1996	}
1348		1997
1349	$path	1998	$path
…		…
1363	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1364	return $self;	2013	return $self;
1365	}	2014	}
1366	}	2015	}
1367		2016
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	2018	()
1370	}	2019	}
1371		2020
		2021	# may re-bless or do other evil things
1372	sub init {	2022	sub init {
1373	my ($self) = @_;	2023	my ($self) = @_;
1374		2024
1375	$self	2025	$self
1376	}	2026	}
…		…
1395		2045
1396	# the temporary/swap location	2046	# the temporary/swap location
1397	sub save_path {	2047	sub save_path {
1398	my ($self) = @_;	2048	my ($self) = @_;
1399		2049
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1402	}	2052	}
1403		2053
1404	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1405	sub uniq_path {	2055	sub uniq_path {
1406	my ($self) = @_;	2056	my ($self) = @_;
1407		2057
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1410	}	2060	}
1411		2061
1412	# and all this just because we cannot iterate over	2062	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2063	my ($self) = @_;
1416		2064
1417	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1419	}	2068	}
1420		2069
1421	sub unlink_save {	2070	sub unlink_save {
1422	my ($self) = @_;	2071	my ($self) = @_;
1423		2072
…		…
1428		2077
1429	sub load_header_from($) {	2078	sub load_header_from($) {
1430	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1431		2080
1432	utf8::encode $path;	2081	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2083	or return;
1438		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1439	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1440		2092
1441	1	2093	1
1442	}	2094	}
1443		2095
		2096	# used to laod the header of an original map
1444	sub load_header_orig {	2097	sub load_header_orig {
1445	my ($self) = @_;	2098	my ($self) = @_;
1446		2099
1447	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1448	}	2101	}
1449		2102
		2103	# used to laod the header of an instantiated map
1450	sub load_header_temp {	2104	sub load_header_temp {
1451	my ($self) = @_;	2105	my ($self) = @_;
1452		2106
1453	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1454	}	2108	}
1455		2109
		2110	# called after loading the header from an instantiated map
1456	sub prepare_temp {	2111	sub prepare_temp {
1457	my ($self) = @_;	2112	my ($self) = @_;
1458		2113
1459	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1460	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1461	# safety	2116	# safety
1462	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1463	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1464	}	2119	}
1465		2120
		2121	# called after loading the header from an original map
1466	sub prepare_orig {	2122	sub prepare_orig {
1467	my ($self) = @_;	2123	my ($self) = @_;
1468		2124
1469	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1470	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1481	$self->load_header_orig	2137	$self->load_header_orig
1482	or return;	2138	or return;
1483	$self->prepare_orig;	2139	$self->prepare_orig;
1484	}	2140	}
1485		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
1486	$self->default_region (cf::region::find_by_path $self->{path})	2145	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2146	unless $self->default_region;
1488		2147
1489	1	2148	1
1490	}	2149	}
1491		2150
1492	sub find;	2151	sub find;
1493	sub find {	2152	sub find {
1494	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1495		2154
		2155	cf::cede_to_tick;
		2156
1496	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1497		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2161
1500	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1503	or return;	2164	or return;
1504		2165
1505	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1506		2167
1507	$map->load_header	2168	$map->load_header
1508	or return;	2169	or return;
1509		2170
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1513	$map->reset;	2176	$map->reset;
1514	undef $guard;
1515	return find $path;	2177	return find $path;
1516	}	2178	}
1517		2179
1518	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1519	}	2181	}
1520	}	2182	}
1521		2183
1522	sub pre_load { }	2184	sub pre_load { }
1523	sub post_load { }	2185	#sub post_load { } # XS
1524		2186
1525	sub load {	2187	sub load {
1526	my ($self) = @_;	2188	my ($self) = @_;
1527		2189
1528	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1529		2191
1530	my $path = $self->{path};	2192	my $path = $self->{path};
1531		2193
1532	{	2194	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1534		2196
		2197	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1536
1537	$self->in_memory (cf::MAP_LOADING);
1538		2199
1539	$self->alloc;	2200	$self->alloc;
1540		2201
1541	$self->pre_load;	2202	$self->pre_load;
1542	Coro::cede;	2203	cf::cede_to_tick;
1543		2204
1544	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1545	or return;	2209	or return;
1546		2210
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1548	if delete $self->{load_original};	2212	if delete $self->{load_original};
1549		2213
1550	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2215	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2218	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1555	}	2223	}
1556	}
1557		2224
1558	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1559	# now do the right thing for maps	2234	# now do the right thing for maps
1560	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2237	unless $self->difficulty;
1563	Coro::cede;	2238	cf::cede_to_tick;
1564		2239
1565	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2241	$self->decay_objects;
1567	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1568	$self->update_buttons;	2243	$self->update_buttons;
1569	Coro::cede;	2244	cf::cede_to_tick;
1570	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1571	Coro::cede;
1572	$self->activate;
1573	}	2246	}
1574		2247
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1576	}	2250	}
1577		2251
1578	$self->post_load;	2252	$self->post_load;
1579	}
1580		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2260	sub customise_for {
1582	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1583		2262
1584	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2264	if $self->per_player;
1586		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1587	$self	2269	$self
1588	}	2270	}
1589		2271
1590	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2273	sub load_neighbours {
1592	my ($map) = @_;	2274	my ($map) = @_;
1593		2275
1594	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1595		2277
1596	for (0 .. 3) {	2278	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1598	or next;	2280	or next;
1599	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1600	or next;	2282	or next;
1601	$neigh->load;	2283	$neigh->load;
1602		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2289	}
1606		2290
1607	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1609	or next;	2294	or next;
1610	$neigh->load;	2295	$neigh->load;
1611	}	2296	}
1612	}	2297	}
1613		2298
1614	sub find_sync {	2299	sub find_sync {
1615	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1616		2301
1617	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1618	}	2307	}
1619		2308
1620	sub do_load_sync {	2309	sub do_load_sync {
1621	my ($map) = @_;	2310	my ($map) = @_;
1622		2311
1623	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1624	}	2317	}
1625		2318
1626	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1628		2321
1629	sub find_async {	2322	sub find_async {
1630	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1631		2324
1632	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1633		2326
1634	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
1636	}	2329	}
1637		2330
1638	undef $MAP_PREFETCH{$path};	2331	$MAP_PREFETCH{$path} |= $load;
		2332
1639	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
1640	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2338	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2339	$map->load if $v;
		2340	}
1645		2341
1646	delete $MAP_PREFETCH{$path};	2342	delete $MAP_PREFETCH{$k};
1647	}	2343	}
1648	}	2344	}
1649	undef $MAP_PREFETCHER;	2345	undef $MAP_PREFETCHER;
1650	};	2346	};
1651	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
1652		2348
1653	()	2349	()
1654	}	2350	}
1655		2351
		2352	# common code, used by both ->save and ->swapout
1656	sub save {	2353	sub _save {
1657	my ($self) = @_;	2354	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2355
1661	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1662		2357
1663	return unless $self->dirty;	2358	return unless $self->dirty;
1664		2359
…		…
1670	return if $self->{deny_save};	2365	return if $self->{deny_save};
1671		2366
1672	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1673		2368
1674	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1676	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1677		2375
1678	if ($uniq) {	2376	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2379	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2381	}
1684	}	2382	}
1685		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1686	sub swap_out {	2392	sub swap_out {
1687	my ($self) = @_;	2393	my ($self) = @_;
1688		2394
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1694	return if $self->players;	2399	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1698	$self->clear;	2410	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2411	}
1701		2412
1702	sub reset_at {	2413	sub reset_at {
1703	my ($self) = @_;	2414	my ($self) = @_;
1704		2415
1705	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1708		2418
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2421
…		…
1722	my ($self) = @_;	2432	my ($self) = @_;
1723		2433
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2435
1726	return if $self->players;	2436	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2437
1729	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
1730		2439
1731	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
1732		2441
1733	# need to save uniques path	2442	# need to save uniques path
1734	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
1735	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
1736		2445
…		…
1738	if $uniq;	2447	if $uniq;
1739	}	2448	}
1740		2449
1741	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1742		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2454	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2455
1747	$self->unlink_save;	2456	$self->unlink_save;
1748	$self->destroy;	2457	$self->destroy;
1749	}	2458	}
1750		2459
1751	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1752		2461
1753	sub nuke {	2462	sub nuke {
1754	my ($self) = @_;	2463	my ($self) = @_;
1755		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
1756	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
1757		2469
1758	$self->unlink_save;	2470	$self->unlink_save;
1759		2471
1760	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2477
1766	$cf::MAP{$self->path} = $self;	2478	$cf::MAP{$self->path} = $self;
		2479	}
1767		2480
1768	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1769	}	2518	}
1770		2519
1771	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1772		2521
1773	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2523	instantiated unique items. May block.
1775		2524
1776	=cut	2525	=cut
1777		2526
1778	sub unique_maps() {	2527	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2528	[
1780	or return;	2529	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2530	utf8::decode $_;
1786	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2533	? ()
1789	push @paths, cf::map::normalise $_;	2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2536	]
1791
1792	\@paths
1793	}	2537	}
1794		2538
1795	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
1796		2570
1797	=back	2571	=back
1798		2572
1799	=head3 cf::object	2573	=head3 cf::object
1800		2574
…		…
1804		2578
1805	=over 4	2579	=over 4
1806		2580
1807	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1808		2582
1809	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1810		2585
1811	=cut	2586	=cut
1812		2587
1813	sub inv_recursive_;	2588	sub inv_recursive_;
1814	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1817		2592
1818	sub inv_recursive {	2593	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1820	}	2595	}
1821		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1822	package cf;	2625	package cf;
1823		2626
1824	=back	2627	=back
1825		2628
1826	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1835		2638
1836	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1837		2654
1838	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2656	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1843		2660
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2662
1846	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1848	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1851	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1852	}	2688	}
1853		2689
1854	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1855		2691
1856	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1869		2705
1870	=item $player_object->enter_link	2706	=item $player_object->enter_link
1871		2707
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2709
1874	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1876		2714
1877	Will never block.	2715	Will never block.
1878		2716
1879	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1880		2718
…		…
1900	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2739	my ($self) = @_;
1902		2740
1903	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1904		2742
		2743	++$self->{_link_recursion};
		2744
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2746
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2748	if $self->map && $self->map->{path} ne "{link}";
1909		2749
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2751	}
1912		2752
1913	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
1915		2755
…		…
1932	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1934		2774
1935	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1938		2778
1939	$map->load;	2779	$map->load;
1940	$map->load_diag;	2780	$map->load_neighbours;
1941		2781
1942	return unless $self->contr->active;	2782	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2783
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
1947	}	2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
		2789	$self->activate_recursive;
		2790	}
1948		2791
		2792	}
		2793
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2795
1951	Moves the player to the given map-path and coordinates by first freezing	2796	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2797	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2798	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
1955		2804
1956	=cut	2805	=cut
1957		2806
1958	our $GOTOGEN;	2807	our $GOTOGEN;
1959		2808
1960	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
1962		2817
1963	# do generation counting so two concurrent goto's will be executed in-order	2818	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2820
1966	$self->enter_link;	2821	$self->enter_link;
1967		2822
1968	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
1969	my $map = eval {	2845	my $map = eval {
1970	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1971		2847
1972	if ($map) {	2848	if ($map) {
1973	$map = $map->customise_for ($self);	2849	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2850	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2851	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2853	}
1978		2854
1979	$map	2855	$map
1980	};	2856	};
1981		2857
…		…
1986		2862
1987	if ($gen == $self->{_goto_generation}) {	2863	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2864	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
1990	}	2866	}
		2867
		2868	$done->($self) if $done;
1991	})->prio (1);	2869	})->prio (1);
1992	}	2870	}
1993		2871
1994	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1995		2873
…		…
2015	}	2893	}
2016		2894
2017	sub prepare_random_map {	2895	sub prepare_random_map {
2018	my ($exit) = @_;	2896	my ($exit) = @_;
2019		2897
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2900	# that depends on the exit object
2025		2901
2026	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2904	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
2033	}	2911	}
2034		2912
2035	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
2036		2914
2037	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
2040		2918
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2921	undef $fh;
2044	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
2045		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
2048	}	2930	}
2049	}	2931	}
2050		2932
2051	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2053		2935
2054	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2055		2937
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2938	$self->enter_link;
2068		2939
2069	(async {	2940	(async {
2070	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2071	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
2072	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2073		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
2074	1;	2979	1
2075	}) {	2980	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2985
2081	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	2987	$self->leave_link;
2083	}	2988	}
2084	})->prio (1);	2989	})->prio (1);
2085	}	2990	}
2086		2991
…		…
2100		3005
2101	utf8::encode $text;	3006	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	3008	}
2104		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
2105	=item $client->ext_event ($type, %msg)	3197	=item $client->ext_msg ($type, @msg)
2106		3198
2107	Sends an exti event to the client.	3199	Sends an ext event to the client.
2108		3200
2109	=cut	3201	=cut
2110		3202
2111	sub cf::client::ext_event($$%) {	3203	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3204	my ($self, $type, @msg) = @_;
2113		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3209	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
2116	}	3230	}
2117		3231
2118	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2119		3233
2120	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3237
2124	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3239	become reliable at some point in the future.
2126		3240
2127	=cut	3241	=cut
2128		3242
2129	sub cf::client::query {	3243	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3252	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3254
2141	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
2143	}	3259	}
2144		3260
2145	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
2146	on_reply => sub {	3267	on_reply => sub {
2147	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
2148		3269
2149	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
2150	# get handled first	3271	# get handled first
…		…
2162	} else {	3283	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3285	}
2165	}	3286	}
2166	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2167	);	3314	);
2168		3315
2169	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2170		3317
2171	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3334
2188	$coro	3335	$coro
2189	}	3336	}
2190		3337
2191	cf::client->attach (	3338	cf::client->attach (
2192	on_destroy => sub {	3339	on_client_destroy => sub {
2193	my ($ns) = @_;	3340	my ($ns) = @_;
2194		3341
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3343	},
2197	);	3344	);
…		…
2212	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2214		3361
2215	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2216		3363
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2218		3369
2219	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2220		3371
2221	=pod	3372	=pod
2222		3373
2223	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2224		3375
2225	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2226	cf::object::player player	3381	cf::object::player
2227	cf::player peaceful	3382	player
2228	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2229		3389
2230	=cut	3390	=cut
2231		3391
2232	for (	3392	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2237	) {	3399	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3402	for @funs;
2242	}	3403	}
2243		3404
…		…
2258		3419
2259	my $qcode = $code;	3420	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2262		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2263	local $_;	3427	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3428
2266	my $eval =	3429	my $eval =
2267	"do {\n"	3430	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3433	. $code
2271	. "\n}"	3434	. "\n}"
2272	;	3435	;
2273		3436
		3437	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2277		3446
2278	if ($@) {	3447	if ($@) {
2279	warn "$@";	3448	warn "$@",
2280	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2282	}	3451	}
2283		3452
2284	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2285	}	3454	}
2286		3455
…		…
2300	=cut	3469	=cut
2301		3470
2302	sub register_script_function {	3471	sub register_script_function {
2303	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2304		3473
2305	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2307	}	3476	}
2308		3477
2309	=back	3478	=back
2310		3479
2311	=cut	3480	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3481
2485	#############################################################################	3482	#############################################################################
2486	# the server's init and main functions	3483	# the server's init and main functions
2487		3484
2488	sub load_facedata($) {	3485	sub load_facedata($) {
2489	my ($path) = @_;	3486	my ($path) = @_;
2490		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2491	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2492		3495
2493	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3497
2499	$facedata->{version} == 2	3498	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
2502	{	3510	{
2503	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2504		3512
2505	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2511	}	3523	}
2512		3524
2513	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2515	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2516	or next;	3529	or next;
		3530
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3534	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3536	}
2522	Coro::cede;	3537
		3538	cf::cede_to_tick;
2523	}	3539	}
2524	}	3540	}
2525		3541
2526	{	3542	{
2527	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2528		3544
2529	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3547	cf::cede_to_tick;
2532	}	3548	}
2533		3549
2534	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2535	}	3551	}
2536		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
2537	1	3572	1
2538	}	3573	}
2539		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
2540	sub reload_regions {	3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
2541	load_resource_file "$MAPDIR/regions"	3598	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
2543	}	3605	}
2544		3606
2545	sub reload_facedata {	3607	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3608	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3609	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3617	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3618	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3619	or die "unable to load treasurelists\n";
2558	}	3620	}
2559		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
2560	sub reload_resources {	3642	sub reload_resources {
2561	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
2562		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
2563	reload_regions;	3650	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3651	reload_treasures;
2567		3652
2568	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
2569	}	3654	}
2570		3655
2571	sub init {	3656	sub reload_config {
2572	reload_resources;	3657	trace "reloading config file...\n";
2573	}
2574		3658
2575	sub cfg_load {	3659	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3660	utf8::decode $config;
2577	or return;	3661	*CFG = decode_yaml $config;
2578		3662
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3664
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3667
2587	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2591	};	3672	};
2592	warn $@ if $@;	3673	warn $@ if $@;
2593	}	3674	}
2594	}	3675	}
2595		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2596	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2597	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3718	(async {
2601	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
2603	};	3722	};
2604		3723
2605	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
2606	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2607	load_extensions;	3747	load_extensions;
2608		3748
2609	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2611	}	3767	}
2612		3768
2613	#############################################################################	3769	#############################################################################
2614	# initialisation and cleanup	3770	# initialisation and cleanup
2615		3771
2616	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2617	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2626	},
2627	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2628	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2629	}	3868	}
2630		3869
2631	sub emergency_save() {	3870	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2633		3872
2634	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2635		3879
2636	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2637	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3891	$pl->save;
2645	}	3892	}
2646	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2647		3894
2648	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3900	$map->valid or next;
2652	$map->save;	3901	$map->save;
2653	}	3902	}
2654	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
2655		3904
2656	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3933	};
2660		3934
2661	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2662	}	3936	}
2663		3937
2664	sub post_cleanup {	3938	sub post_cleanup {
2665	my ($make_core) = @_;	3939	my ($make_core) = @_;
2666		3940
		3941	IO::AIO::flush;
		3942
2667	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
2669	}	3973	}
2670		3974
2671	sub do_reload_perl() {	3975	sub do_reload_perl() {
2672	# can/must only be called in main	3976	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2674	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
2675	return;	3979	return;
2676	}	3980	}
2677		3981
2678	warn "reloading...";	3982	return if $RELOAD++;
2679		3983
2680	warn "entering sync_job";	3984	my $t1 = AE::time;
2681		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
2682	cf::sync_job {	3992	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	3993	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		3994
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	3997	%EXT_CORO = ();
2711		3998
2712	warn "removing commands";	3999	trace "perl_reload: removing commands";
2713	%COMMAND = ();	4000	%COMMAND = ();
2714		4001
2715	warn "removing ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2717		4005
2718	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2721		4009
2722	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2723	eval {	4011	eval {
2724	$cb->($pkg);	4012	$cb->($pkg);
2725	1	4013	1
2726	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2727	}	4019	}
2728		4020
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		4024
2737	warn "... unloading $k";	4025	trace "... unloading $k";
2738	delete $INC{$k};	4026	delete $INC{$k};
2739		4027
2740	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2742		4030
2743	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2745	}	4036	}
2746		4037
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		4041
2754	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		4045
2758	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4047	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2761		4049
2762	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
2763		4051
2764	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
2765	require cf;	4053	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2767		4055
2768	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4057	cf::reload_config;
2770		4058
2771	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4060	cf::load_extensions;
2773		4061
		4062	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
2780		4070
2781	warn "leaving sync_job";	4071	cf::_post_init 1;
2782		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
2783	1	4075	1
2784	} or do {	4076	} or do {
2785	warn $@;	4077	error $@;
2786	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4079	};
		4080
		4081	--$RELOAD;
2788	};	4082	}
2789		4083
2790	warn "reloaded";	4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
2791	};	4086	};
2792		4087
2793	our $RELOAD_WATCHER; # used only during reload	4088	our $RELOAD_WATCHER; # used only during reload
2794		4089
2795	sub reload_perl() {	4090	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4091	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4092	# coro crashes during coro_state_free->destroy here.
2798		4093
2799	$RELOAD_WATCHER ||= Event->timer (	4094	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4095	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4096
2802	data => WF_AUTOCANCEL,	4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4098	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4099	undef $RELOAD_WATCHER;
2806	},	4100	};
2807	);	4101	};
2808	}	4102	}
2809		4103
2810	register_command "reload" => sub {	4104	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2812		4106
2813	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4111	reload_perl;
		4112	};
2816	}	4113	}
2817	};	4114	};
2818		4115
2819	unshift @INC, $LIBDIR;	4116	#############################################################################
2820		4117
2821	my $bug_warning = 0;	4118	my $bug_warning = 0;
2822		4119
2823	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;
2825
2826	sub wait_for_tick {	4120	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2828	return if $Coro::current == $Coro::main;
2829		4122
2830	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
2831	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;
2833	}	4124	}
2834		4125
2835	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4128
2839	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4131	$signal->wait;
2842	}	4132	}
2843		4133
2844	my $min = 1e6;#d#	4134	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
2856	return;	4138	return;
2857	}	4139	}
2858		4140
2859	$NOW = $tick_start = Event::time;	4141	cf::one_tick; # one server iteration
2860		4142
2861	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2862		4144
2863	0 && sync_job {#d#	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	4147	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4148	$Coro::current->{desc} = "runtime saver";
2867	or die;	4149	write_runtime_sync
2868		4150	or error "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4151	};
		4152	}
2885		4153
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4155	$sig->send;
2902	}	4156	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4157	$WAIT_FOR_TICK->broadcast;
2904	$sig->send;
2905	}
2906		4158
2907	$NOW = Event::time;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4161
2918	_post_tick;	4162	if (0) {
2919		4163	if ($NEXT_TICK) {
2920		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
2921	},	4168	}
2922	);	4169	}
2923		4170
2924	{	4171	{
2925	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4173
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
2935		4175	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4177
2951	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4185
2954	cf::sync_job {	4186	cf::sync_job {
2955	eval {	4187	eval {
2956	BDB::db_env_open	4188	BDB::db_env_open
2957	$DB_ENV,	4189	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4193	0666;
2962		4194
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4196	};
2968		4197
2969	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4199	};
2971	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
2972	}	4211	}
2973		4212
2974	{	4213	{
		4214	# configure IO::AIO
		4215
2975	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4219	}
2988		4220
2989	my $_log_backtrace;	4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
2990		4223
2991	sub _log_backtrace {	4224	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4225	my ($msg, @addr) = @_;
2993		4226
2994	$msg =~ s/\n//;	4227	$msg =~ s/\n$//;
2995		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4232	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
2999	async {	4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
3000	my @bt = fork_call {	4240	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4241	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4244	or die "addr2line: $!";
…		…
3012	}	4252	}
3013		4253
3014	@funcs	4254	@funcs
3015	};	4255	};
3016		4256
3017	LOG llevInfo, "[ABT] $msg\n";	4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4259	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4260	--$_log_backtrace;
3020	};	4261	};
3021	} else {	4262	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4263	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4265	}
3025	}	4266	}
3026		4267
3027	# load additional modules	4268	# load additional modules
3028	use cf::pod;	4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
3029		4271
3030	END { cf::emergency_save }	4272	END { cf::emergency_save }
3031		4273
3032	1	4274	1
3033		4275

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