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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		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";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	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;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
88	#############################################################################	183	#############################################################################
89		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
90	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
91		197
92	=over 4	198	=over 4
93		199
94	=item $cf::UPTIME	200	=item $cf::UPTIME
95		201
96	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.
97		218
98	=item $cf::RUNTIME	219	=item $cf::RUNTIME
99		220
100	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
101	every server tick.	222	every server tick.
102		223
103	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		227
105	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
107		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
108	=item $cf::NOW	239	=item $cf::LOAD
109		240
110	The time of the last (current) server tick.	241	The raw value load value from the last tick.
111
112	=item $cf::TICK
113
114	The interval between server ticks, in seconds.
115		242
116	=item %cf::CFG	243	=item %cf::CFG
117		244
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	246	from wherever your confdir points to.
120		247
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		249
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
127		282
128	=back	283	=back
129		284
130	=cut	285	=cut
131		286
132	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	294	my $msg = join "", @_;
135	utf8::encode $msg;
136		295
137	$msg .= "\n"	296	$msg .= "\n"
138	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
139		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
140	LOG llevError, $msg;	301	LOG llevWarn, $msg;
141	};	302	};
142	}	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	};
143		317
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		325
151	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	327	# within the Safe compartment.
153	for my $pkg (qw(	328	for my $pkg (qw(
154	cf::global cf::attachable	329	cf::global cf::attachable
155	cf::object cf::object::player	330	cf::object cf::object::player
156	cf::client cf::player	331	cf::client cf::player
157	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
158	cf::map cf::party cf::region	334	cf::party cf::region
159	)) {	335	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	337	}
163		338
164	$Event::DIED = sub {	339	$EV::DIED = sub {
165	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
166	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
167		349
168	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
169		351
170	=over 4	352	=over 4
171		353
…		…
190	$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;
191	$d	373	$d
192	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
193	}	375	}
194		376
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
196		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
197	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
198		392
199	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
200		394
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
209		396
210	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
211		398
212	=cut	399	=cut
213		400
214	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
216	JSON::Syck::Dump $_[0]	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	}
217	}	466	}
218		467
219	=item cf::lock_wait $string	468	=item cf::lock_wait $string
220		469
221	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
222		471
223	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
224		473
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
228	returned.	477	returned.
229		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
230	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
231	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
232		484
233	=cut	485	=item $locked = cf::lock_active $string
234		486
235	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
236		492
237	sub lock_wait($) {	493	sub lock_wait($) {
238	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	495	}
246		496
247	sub lock_acquire($) {	497	sub lock_acquire($) {
248	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
249		500
250	# wait, to be sure we are not locked	501	sub lock_active($) {
251	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	503	}
260		504
261	sub freeze_mainloop {	505	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
263		507
264	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	509	}
266	$WRITE_RUNTIME_WATCHER->start;	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	}
267	};	578	}
268	$WRITE_RUNTIME_WATCHER->stop;	579	};
269	$TICK_WATCHER->stop;	580
270	$guard	581	sub get_slot($;$$) {
		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;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		612
289	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
290	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
291	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
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		684
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		689
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	690	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		691
358	aio_fsync $fh	692	sub post_fork {
359	and return;	693	reset_signals;
		694	}
360		695
361	close $fh	696	sub fork_call(&@) {
362	or return;	697	my ($cb, @args) = @_;
363		698
364	aio_rename "$runtime~", $runtime	699	# we seemingly have to make a local copy of the whole thing,
365	and return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
367	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"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	886	}
369		887
370	=back	888	=back
371		889
372	=cut	890	=cut
373		891
374	#############################################################################	892	#############################################################################
375		893
376	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
377		895
378	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
379	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")
380	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
381		899
382	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>
383	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
384	crossfire+).	902	Deliantra).
385		903
386	=over 4	904	=over 4
387		905
388	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
389		907
…		…
433	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
434		952
435	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
436	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
437		955
438	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		958
441	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
442		960
443	=over 4	961	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
553		1071
554	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1076
559	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
561		1079
562	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
567		1085
568	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1088
571	} elsif (ref $type) {	1089	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
573		1091
574	} else {	1092	} else {
575	shift @arg;	1093	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
577	}	1095	}
578	}	1096	}
579	}	1097	}
580		1098
581	sub _object_attach {	1099	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
592	}	1110	}
593		1111
594	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
595	} else {	1113	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1115	}
598		1116
599	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
600	}	1118	}
601		1119
…		…
603	if (ref $_[0]) {	1121	if (ref $_[0]) {
604	_object_attach @_;	1122	_object_attach @_;
605	} else {	1123	} else {
606	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
607	}	1125	}
		1126	_recalc_want;
608	};	1127	};
609		1128
610	# all those should be optimised	1129	# all those should be optimised
611	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1135	reattach ($obj);
617	} else {	1136	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
619	}	1138	}
		1139	_recalc_want;
620	};	1140	};
621		1141
622	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
624		1144
…		…
639	";	1159	";
640	die if $@;	1160	die if $@;
641	}	1161	}
642		1162
643	our $override;	1163	our $override;
644	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?
645		1165
646	sub override {	1166	sub override {
647	$override = 1;	1167	$override = 1;
648	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
649	}	1169	}
650		1170
651	sub do_invoke {	1171	sub do_invoke {
652	my $event = shift;	1172	my $event = shift;
653	my $callbacks = shift;	1173	my $callbacks = shift;
654		1174
655	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
656		1176
657	local $override;	1177	local $override;
658		1178
659	for (@$callbacks) {	1179	for (@$callbacks) {
660	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
661		1181
662	if ($@) {	1182	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1184	override;
666	}	1185	}
667		1186
668	return 1 if $override;	1187	return 1 if $override;
669	}	1188	}
670		1189
671	0	1190	0
672	}	1191	}
673		1192
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1194
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1196
678	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
679		1198
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1202
684	=back	1203	=back
685		1204
686	=cut	1205	=cut
687		1206
688	#############################################################################	1207	#############################################################################
689	# 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	}
690		1251
691	sub reattach {	1252	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1254	my ($obj) = @_;
694		1255
		1256	# no longer needed after getting rid of delete_package?
695	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
696		1258
697	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
698		1260
699	@$registry = ();	1261	@$registry = ();
700		1262
…		…
705	for (@$attach) {	1267	for (@$attach) {
706	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
708	}	1270	}
709	} else {	1271	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1273	}
712	}	1274	}
713	}	1275	}
714		1276
715	cf::attachable->attach (	1277	cf::attachable->attach (
716	prio => -1000000,	1278	prio => -1000000,
717	on_instantiate => sub {	1279	on_instantiate => sub {
718	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
719		1281
720	$data = from_json $data;	1282	$data = decode_json $data;
721		1283
722	for (@$data) {	1284	for (@$data) {
723	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
724		1286
725	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1303	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
743		1305
744	sync_job {	1306	sync_job {
745	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
748		1312
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
752	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
753	close $fh;	1320	aio_close $fh;
754		1321
755	if (@$objs) {	1322	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		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;
760	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
761	close $fh;	1331	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
763	}	1333	}
764	} else {	1334	} else {
765	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
766	}	1336	}
767		1337
768	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1342	} else {
770	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
771	}	1344	}
772	} else {	1345	} else {
773	aio_unlink $filename;	1346	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
775	}	1348	}
776	}	1349	};
777	}	1350	}
778		1351
779	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
781		1354
…		…
793	or return;	1366	or return;
794		1367
795	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
797	or return;	1370	or return;
		1371
798	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
799	}	1374	}
800		1375
		1376	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
803	return ($data, $av);	1381	($data, $av)
804	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
805		1389
806	#############################################################################	1390	#############################################################################
807	# command handling &c	1391	# command handling &c
808		1392
809	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1407	}
824		1408
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1410
827	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.
828		1416
829	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
830	called.	1418	called.
831		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
832	=cut	1431	=cut
833		1432
834	sub register_extcmd {	1433	sub register_extcmd {
835	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
836		1435
837	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
838	}	1437	}
839		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
840	cf::player->attach (	1447	cf::player->attach (
841	on_command => sub {	1448	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
843		1450
844	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
845	or return;	1452	or return;
846		1453
…		…
851	cf::override;	1458	cf::override;
852	},	1459	},
853	on_extcmd => sub {	1460	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
855		1462
856	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1464
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
864	} else {	1480	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1482	}
867		1483
868	cf::override;	1484	cf::override;
869	},	1485	},
870	);	1486	);
871		1487
		1488	# "readahead" all extensions
872	sub load_extension {	1489	sub cache_extensions {
873	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
874		1491
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1495	}
900	die $@;
901	}	1496	};
902		1497
903	push @EXTS, $pkg;	1498	$grp
904	}	1499	}
905		1500
906	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
907	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1508	next unless -r $path;
909	eval {	1509
910	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	}
911	1	1573	}
912	} 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	}
913	}	1586	};
914	}	1587	}
915		1588
916	#############################################################################	1589	#############################################################################
917		1590
		1591	=back
		1592
918	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
919		1594
920	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
921		1596
922	=cut	1597	=cut
923		1598
924	package cf::player;	1599	package cf::player;
925		1600
…		…
927		1602
928	=head3 cf::player	1603	=head3 cf::player
929		1604
930	=over 4	1605	=over 4
931		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	}
		1620
932	=item cf::player::find $login	1621	=item cf::player::find $login
933		1622
934	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
935		1624
936	=cut	1625	=cut
937		1626
938	sub playerdir($) {	1627	sub playerdir($) {
939	cf::localdir	1628	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1630	}
945		1631
946	sub path($) {	1632	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1634
949	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
950	}	1636	}
951		1637
952	sub find_active($) {	1638	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
957		1643
958	sub exists($) {	1644	sub exists($) {
959	my ($login) = @_;	1645	my ($login) = @_;
960		1646
961	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1648	or !aio_stat path $login
963	}	1649	}
964		1650
965	sub find($) {	1651	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1653	my $login = $_[0];
968		1654
969	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
970		1656
971	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
973	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;
974	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
975	}	1674	}
976	}	1675	}
977	}	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	);
978		1690
979	sub save($) {	1691	sub save($) {
980	my ($pl) = @_;	1692	my ($pl) = @_;
981		1693
982	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
988		1700
989	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
991		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
992	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
993	Coro::cede;	1710	cf::cede_to_tick;
994	}	1711	}
995		1712
996	sub new($) {	1713	sub new($) {
997	my ($login) = @_;	1714	my ($login) = @_;
998		1715
…		…
1004	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1005		1722
1006	$self	1723	$self
1007	}	1724	}
1008		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
1009	=item $pl->quit_character	1736	=item $pl->quit_character
1010		1737
1011	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
1012	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1013		1740
1014	=cut	1741	=cut
1015		1742
1016	sub quit_character {	1743	sub quit_character {
1017	my ($pl) = @_;	1744	my ($pl) = @_;
1018		1745
		1746	my $name = $pl->ob->name;
		1747
1019	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1020	$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
1021		1750
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1025	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1026		1759
1027	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1032	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1033	}	1786	}
1034		1787
1035	=item cf::player::list_logins	1788	=item cf::player::list_logins
1036		1789
1037	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1039		1792
1040	=cut	1793	=cut
1041		1794
1042	sub list_logins {	1795	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1797	or return [];
1045		1798
1046	my @logins;	1799	my @logins;
1047		1800
1048	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1052		1811
1053	utf8::decode $login;	1812	utf8::decode $login;
1054	push @logins, $login;	1813	push @logins, $login;
1055	}	1814	}
1056		1815
1057	\@logins	1816	\@logins
1058	}	1817	}
1059		1818
1060	=item $player->maps	1819	=item $player->maps
1061		1820
		1821	=item cf::player::maps $login
		1822
1062	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1063	player. May block.	1824	player. May block.
1064		1825
1065	=cut	1826	=cut
1066		1827
1067	sub maps($) {	1828	sub maps($) {
1068	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1832
1070	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1071	or return;	1834	or return;
1072		1835
1073	my @paths;	1836	my @paths;
…		…
1075	for (@$files) {	1838	for (@$files) {
1076	utf8::decode $_;	1839	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1079		1842
1080	s/\.map$//;	1843	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1844	}
1083		1845
1084	\@paths	1846	\@paths
1085	}	1847	}
1086		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1088		1854
1089	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1090		1856
1091	=cut	1857	=cut
1092		1858
1093	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1095		1861
1096	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1863	}
1100		1864
1101	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1102		1907
1103	=back	1908	=back
1104
1105		1909
1106	=head3 cf::map	1910	=head3 cf::map
1107		1911
1108	=over 4	1912	=over 4
1109		1913
…		…
1113		1917
1114	use Fcntl;	1918	use Fcntl;
1115	use Coro::AIO;	1919	use Coro::AIO;
1116		1920
1117	use overload	1921	use overload
1118	'""' => \&as_string;	1922	'""' => \&as_string,
		1923	fallback => 1;
1119		1924
1120	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1122		1927
1123	sub generate_random_map {	1928	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1125		1930
1126	# mit "rum" bekleckern, nicht	1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1127	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)
1140	}	1934	}
		1935
		1936	=item cf::map->register ($regex, $prio)
		1937
		1938	Register a handler for the map path matching the given regex at the
		1939	givne priority (higher is better, built-in handlers have priority 0, the
		1940	default).
		1941
		1942	=cut
1141		1943
1142	sub register {	1944	sub register {
1143	my (undef, $regex) = @_;	1945	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1946	my $pkg = caller;
1145		1947
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1949
1149	$EXT_MAP{$pkg} = qr<$regex>;	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1951	}
1151		1952
1152	# also paths starting with '/'	1953	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1955
1155	sub thawer_merge {	1956	sub thawer_merge {
		1957	my ($self, $merge) = @_;
		1958
1156	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1960	local $self->{path};
1158	local $_[0]{deny_save};	1961	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1962
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1963	$self->SUPER::thawer_merge ($merge);
1162	}	1964	}
1163		1965
1164	sub normalise {	1966	sub normalise {
1165	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
		1968
		1969	$path = "$path"; # make sure it's a string
		1970
		1971	$path =~ s/\.map$//;
1166		1972
1167	# map plan:	1973	# map plan:
1168	#	1974	#
1169	# /! non-realised random map exit (special hack!)	1975	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1976	# {... are special paths that are not being touched
…		…
1183	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1184	$path = "$base/$path";	1990	$path = "$base/$path";
1185	}	1991	}
1186		1992
1187	for ($path) {	1993	for ($path) {
1188	redo if s{//}{/};
1189	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1190	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1191	}	1996	}
1192		1997
1193	$path	1998	$path
…		…
1198		2003
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	2004	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		2005
1201	$path = normalise $path, $base;	2006	$path = normalise $path, $base;
1202		2007
1203	for my $pkg (keys %EXT_MAP) {	2008	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	2009	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	2010	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	2011	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1208	return $self;	2013	return $self;
1209	}	2014	}
1210	}	2015	}
1211		2016
1212	Carp::carp "unable to resolve path '$path'.";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1213	()	2018	()
1214	}	2019	}
1215		2020
		2021	# may re-bless or do other evil things
1216	sub init {	2022	sub init {
1217	my ($self) = @_;	2023	my ($self) = @_;
1218		2024
1219	$self	2025	$self
1220	}	2026	}
…		…
1232		2038
1233	# the original (read-only) location	2039	# the original (read-only) location
1234	sub load_path {	2040	sub load_path {
1235	my ($self) = @_;	2041	my ($self) = @_;
1236		2042
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1238	}	2044	}
1239		2045
1240	# the temporary/swap location	2046	# the temporary/swap location
1241	sub save_path {	2047	sub save_path {
1242	my ($self) = @_;	2048	my ($self) = @_;
1243		2049
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1246	}	2052	}
1247		2053
1248	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1249	sub uniq_path {	2055	sub uniq_path {
1250	my ($self) = @_;	2056	my ($self) = @_;
1251		2057
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1254	}	2060	}
1255		2061
1256	# and all this just because we cannot iterate over	2062	sub decay_objects {
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;	2063	my ($self) = @_;
1260		2064
1261	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1262	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1263	}	2068	}
1264		2069
1265	sub unlink_save {	2070	sub unlink_save {
1266	my ($self) = @_;	2071	my ($self) = @_;
1267		2072
…		…
1272		2077
1273	sub load_header_from($) {	2078	sub load_header_from($) {
1274	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1275		2080
1276	utf8::encode $path;	2081	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1278	or return;	2083	or return;
1279		2084
1280	$self->_load_header ($path)	2085	$self->_load_header ($f)
1281	or return;	2086	or return;
1282		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1283	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1284		2092
1285	1	2093	1
1286	}	2094	}
1287		2095
		2096	# used to laod the header of an original map
1288	sub load_orig {	2097	sub load_header_orig {
1289	my ($self) = @_;	2098	my ($self) = @_;
1290		2099
1291	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1292	}	2101	}
1293		2102
		2103	# used to laod the header of an instantiated map
1294	sub load_temp {	2104	sub load_header_temp {
1295	my ($self) = @_;	2105	my ($self) = @_;
1296		2106
1297	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
		2108	}
		2109
		2110	# called after loading the header from an instantiated map
		2111	sub prepare_temp {
		2112	my ($self) = @_;
		2113
		2114	$self->last_access ((delete $self->{last_access})
		2115	|| $cf::RUNTIME); #d#
		2116	# safety
		2117	$self->{instantiate_time} = $cf::RUNTIME
		2118	if $self->{instantiate_time} > $cf::RUNTIME;
		2119	}
		2120
		2121	# called after loading the header from an original map
		2122	sub prepare_orig {
		2123	my ($self) = @_;
		2124
		2125	$self->{load_original} = 1;
		2126	$self->{instantiate_time} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128	$self->instantiate;
1298	}	2129	}
1299		2130
1300	sub load_header {	2131	sub load_header {
1301	my ($self) = @_;	2132	my ($self) = @_;
1302		2133
1303	if ($self->load_temp) {	2134	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	2135	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	2136	} else {
1310	$self->load_orig	2137	$self->load_header_orig
1311	or return;	2138	or return;
1312		2139	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	2140	}
		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
1318		2147
1319	1	2148	1
1320	}	2149	}
1321		2150
1322	sub find;	2151	sub find;
1323	sub find {	2152	sub find {
1324	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1325		2154
		2155	cf::cede_to_tick;
		2156
1326	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1327		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1328	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1329		2161
1330	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1331	my $guard = cf::lock_acquire "map_find:$path";
1332	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1333	or return;	2164	or return;
1334		2165
1335	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1336		2167
1337	$map->load_header	2168	$map->load_header
1338	or return;	2169	or return;
1339		2170
1340	if ($map->should_reset) {	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2172	# doing this can freeze the server in a sync job, obviously
1341	$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1342	$map->reset;	2176	$map->reset;
1343	undef $guard;
1344	$map = find $path	2177	return find $path;
1345	or return;
1346	}	2178	}
1347		2179
1348	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1349	}	2181	}
1350	}	2182	}
		2183
		2184	sub pre_load { }
		2185	#sub post_load { } # XS
1351		2186
1352	sub load {	2187	sub load {
1353	my ($self) = @_;	2188	my ($self) = @_;
1354		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1355	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1356	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1357		2196
1358	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1359		2199
1360	$self->in_memory (cf::MAP_LOADING);
1361
1362	$self->alloc;	2200	$self->alloc;
1363	$self->_load_objects ($self->{load_path}, 1)	2201
		2202	$self->pre_load;
		2203	cf::cede_to_tick;
		2204
		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)
1364	or return;	2209	or return;
1365		2210
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1367	if delete $self->{load_original};	2212	if delete $self->{load_original};
1368		2213
1369	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;	2215	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1372	$self->clear_unique_items;	2218	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1374	}	2223	}
1375	}
1376		2224
1377	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1378		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1379	# now do the right thing for maps	2234	# now do the right thing for maps
1380	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;
1387	$self->set_darkness_map;
1388	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	2237	unless $self->difficulty;
1390	Coro::cede;	2238	cf::cede_to_tick;
1391	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
		2251	}
		2252
		2253	$self->post_load;
		2254
1392	}	2255	1
1393
1394	$self->in_memory (cf::MAP_IN_MEMORY);
1395	}	2256	}
1396		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1397	sub customise_for {	2261	sub customise_for {
1398	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1399		2263
1400	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	2265	if $self->per_player;
1402		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1403	$self	2270	$self
1404	}	2271	}
1405		2272
1406	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1407	sub load_diag {	2274	sub load_neighbours {
1408	my ($map) = @_;	2275	my ($map) = @_;
1409		2276
1410	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1411		2278
1412	for (0 .. 3) {	2279	for (0 .. 3) {
1413	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1414	or next;	2281	or next;
1415	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1416	or next;	2283	or next;
1417	$neigh->load;	2284	$neigh->load;
1418		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1419	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1420	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1421	}	2290	}
1422		2291
1423	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1424	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1425	or next;	2295	or next;
1426	$neigh->load;	2296	$neigh->load;
1427	}	2297	}
1428	}	2298	}
1429		2299
1430	sub find_sync {	2300	sub find_sync {
1431	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1432		2302
1433	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1434	}	2308	}
1435		2309
1436	sub do_load_sync {	2310	sub do_load_sync {
1437	my ($map) = @_;	2311	my ($map) = @_;
1438		2312
1439	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1440	}	2318	}
1441		2319
1442	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	2321	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		2322
1456	sub find_async {	2323	sub find_async {
1457	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1458		2325
1459	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1460		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1461	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
		2332	}
		2333
		2334	$MAP_PREFETCH{$path} |= $load;
		2335
		2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
		2339	while (%MAP_PREFETCH) {
		2340	while (my ($k, $v) = each %MAP_PREFETCH) {
		2341	if (my $map = find $k) {
		2342	$map->load if $v;
		2343	}
		2344
		2345	delete $MAP_PREFETCH{$k};
		2346	}
		2347	}
		2348	undef $MAP_PREFETCHER;
1463	}	2349	};
1464
1465	$MAP_PREFETCH{$path} = 0;
1466	$MAP_PREFETCHER->ready;	2350	$MAP_PREFETCHER->prio (6);
1467		2351
1468	()	2352	()
1469	}	2353	}
1470		2354
		2355	# common code, used by both ->save and ->swapout
1471	sub save {	2356	sub _save {
1472	my ($self) = @_;	2357	my ($self) = @_;
1473
1474	my $lock = cf::lock_acquire "map_data:" . $self->path;
1475		2358
1476	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1477		2360
1478	return unless $self->dirty;	2361	return unless $self->dirty;
1479		2362
…		…
1485	return if $self->{deny_save};	2368	return if $self->{deny_save};
1486		2369
1487	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1488		2371
1489	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
1490	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
1491	};	2375	};
		2376
		2377	cf::get_slot 0.02;
1492		2378
1493	if ($uniq) {	2379	if ($uniq) {
1494	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1495	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1496	} else {	2382	} else {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1498	}	2384	}
1499	}	2385	}
1500		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
1501	sub swap_out {	2395	sub swap_out {
1502	my ($self) = @_;	2396	my ($self) = @_;
1503		2397
1504	# save first because save cedes
1505	$self->save;
1506
1507	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
1508		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
1509	return if $self->players;	2402	return if $self->players;
1510	return if $self->in_memory != cf::MAP_IN_MEMORY;
1511	return if $self->{deny_save};
1512		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
1513	$self->clear;	2413	$self->clear;
1514	$self->in_memory (cf::MAP_SWAPPED);
1515	}	2414	}
1516		2415
1517	sub reset_at {	2416	sub reset_at {
1518	my ($self) = @_;	2417	my ($self) = @_;
1519		2418
1520	# TODO: safety, remove and allow resettable per-player maps	2419	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	2420	return 1e99 if $self->{deny_reset};
1523		2421
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		2424
…		…
1531	my ($self) = @_;	2429	my ($self) = @_;
1532		2430
1533	$self->reset_at <= $cf::RUNTIME	2431	$self->reset_at <= $cf::RUNTIME
1534	}	2432	}
1535		2433
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	2434	sub reset {
1551	my ($self) = @_;	2435	my ($self) = @_;
1552		2436
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2438
1555	return if $self->players;	2439	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		2440
1558	warn "resetting map ", $self->path;#d#	2441	cf::trace "resetting map ", $self->path, "\n";
		2442
		2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
1559		2452
1560	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
1561		2454
1562	$self->in_memory (cf::MAP_SWAPPED);	2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
1563	$self->clear;	2457	$self->clear;
1564
1565	$_->clear_links_to ($self) for values %cf::MAP;
1566		2458
1567	$self->unlink_save;	2459	$self->unlink_save;
1568	$self->destroy;	2460	$self->destroy;
1569	}	2461	}
1570		2462
1571	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
1572		2464
1573	sub nuke {	2465	sub nuke {
1574	my ($self) = @_;	2466	my ($self) = @_;
1575		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	delete $cf::MAP{$self->path};
		2472
		2473	$self->unlink_save;
		2474
		2475	bless $self, "cf::map::wrap";
		2476	delete $self->{deny_reset};
1576	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2480
		2481	$cf::MAP{$self->path} = $self;
		2482	}
		2483
1579	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
		2485	}
		2486
		2487	=item $maps = cf::map::tmp_maps
		2488
		2489	Returns an arrayref with all map paths of currently instantiated and saved
		2490	maps. May block.
		2491
		2492	=cut
		2493
		2494	sub tmp_maps() {
		2495	[
		2496	map {
		2497	utf8::decode $_;
		2498	/\.map$/
		2499	? normalise $_
		2500	: ()
		2501	} @{ aio_readdir $TMPDIR or [] }
		2502	]
		2503	}
		2504
		2505	=item $maps = cf::map::random_maps
		2506
		2507	Returns an arrayref with all map paths of currently instantiated and saved
		2508	random maps. May block.
		2509
		2510	=cut
		2511
		2512	sub random_maps() {
		2513	[
		2514	map {
		2515	utf8::decode $_;
		2516	/\.map$/
		2517	? normalise "?random/$_"
		2518	: ()
		2519	} @{ aio_readdir $RANDOMDIR or [] }
		2520	]
1580	}	2521	}
1581		2522
1582	=item cf::map::unique_maps	2523	=item cf::map::unique_maps
1583		2524
1584	Returns an arrayref of paths of all shared maps that have	2525	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2526	instantiated unique items. May block.
1586		2527
1587	=cut	2528	=cut
1588		2529
1589	sub unique_maps() {	2530	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2531	[
1591	or return;	2532	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2533	utf8::decode $_;
1597	next if /\.pst$/;	2534	s/\.map$//; # TODO future compatibility hack
1598	next unless /^$PATH_SEP/o;	2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
		2537	: normalise $_
		2538	} @{ aio_readdir $UNIQUEDIR or [] }
		2539	]
		2540	}
1599		2541
		2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
1600	s/\.map$//;	2563	s/\.map$// or next;
1601	push @paths, $_;	2564	utf8::decode $_;
1602	}	2565	push @maps, "$dir/$_";
		2566	}
1603		2567
1604	\@paths	2568	push @dirs, map "$dir/$_", @$dirs;
1605	}	2569	}
1606		2570
1607	package cf;	2571	\@maps
		2572	}
1608		2573
1609	=back	2574	=back
1610		2575
1611	=head3 cf::object	2576	=head3 cf::object
1612		2577
…		…
1616		2581
1617	=over 4	2582	=over 4
1618		2583
1619	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
1620		2585
1621	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
1622		2588
1623	=cut	2589	=cut
1624		2590
1625	sub inv_recursive_;	2591	sub inv_recursive_;
1626	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
1629		2595
1630	sub inv_recursive {	2596	sub inv_recursive {
1631	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
1632	}	2598	}
1633		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
1634	package cf;	2628	package cf;
1635		2629
1636	=back	2630	=back
1637		2631
1638	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
1644	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1645	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
1646	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
1647		2641
1648	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
1649		2657
1650	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
1651	# with dialog boxes.	2659	# with dialog boxes.
1652	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
1653	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
1655		2663
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2664	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2665
1658	if ($self->{record_replies}) {	2666	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2667	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2668
1660	} else {	2669	} else {
		2670	my $pl = $self->contr;
		2671
		2672	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2673	my $dialog = $pl->{npc_dialog};
		2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2675
		2676	} else {
1661	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2679	}
1663	}	2680	}
		2681	}
		2682
		2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2684
		2685	=cut
		2686
		2687	sub cf::object::send_msg {
		2688	my $pl = shift->contr
		2689	or return;
		2690	$pl->send_msg (@_);
1664	}	2691	}
1665		2692
1666	=item $player_object->may ("access")	2693	=item $player_object->may ("access")
1667		2694
1668	Returns wether the given player is authorized to access resource "access"	2695	Returns wether the given player is authorized to access resource "access"
…		…
1681		2708
1682	=item $player_object->enter_link	2709	=item $player_object->enter_link
1683		2710
1684	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
1685		2712
1686	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
1687	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
1688		2717
1689	Will never block.	2718	Will never block.
1690		2719
1691	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
1692		2721
…		…
1700	=cut	2729	=cut
1701		2730
1702	sub link_map {	2731	sub link_map {
1703	unless ($LINK_MAP) {	2732	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2733	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2734	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2735	$LINK_MAP->load;
1707	}	2736	}
1708		2737
1709	$LINK_MAP	2738	$LINK_MAP
1710	}	2739	}
…		…
1712	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
1713	my ($self) = @_;	2742	my ($self) = @_;
1714		2743
1715	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
1716		2745
		2746	++$self->{_link_recursion};
		2747
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2749
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2751	if $self->map && $self->map->{path} ne "{link}";
1721		2752
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1723	}	2754	}
1724		2755
1725	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
		2758
		2759	return unless $self->contr->active;
1727		2760
1728	my $link_pos = delete $self->{_link_pos};	2761	my $link_pos = delete $self->{_link_pos};
1729		2762
1730	unless ($map) {	2763	unless ($map) {
1731	# restore original map position	2764	# restore original map position
…		…
1742	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
1743	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
1744		2777
1745	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
1746	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
1747	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
1748		2781
1749	$map->load;	2782	$map->load;
1750	$map->load_diag;	2783	$map->load_neighbours;
1751		2784
1752	return unless $self->contr->active;	2785	return unless $self->contr->active;
		2786
		2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2788	if ($self->enter_map ($map, $x, $y)) {
		2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
1753	$self->activate_recursive;	2792	$self->activate_recursive;
1754	$self->enter_map ($map, $x, $y);
1755	}
1756
1757	cf::player->attach (
1758	on_logout => sub {
1759	my ($pl) = @_;
1760
1761	# abort map switching before logout
1762	if ($pl->ob->{_link_pos}) {
1763	cf::sync_job {
1764	$pl->ob->leave_link
1765	};
1766	}
1767	},	2793	}
1768	on_login => sub {
1769	my ($pl) = @_;
1770		2794
1771	# try to abort aborted map switching on player login :)	2795	}
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788		2796
1789	=item $player_object->goto ($path, $x, $y)	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1790		2798
		2799	Moves the player to the given map-path and coordinates by first freezing
		2800	her, loading and preparing them map, calling the provided $check callback
		2801	that has to return the map if sucecssful, and then unfreezes the player on
		2802	the new (success) or old (failed) map position. In either case, $done will
		2803	be called at the end of this process.
		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
1791	=cut	2808	=cut
		2809
		2810	our $GOTOGEN;
1792		2811
1793	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
1794	my ($self, $path, $x, $y) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
		2820
		2821	# do generation counting so two concurrent goto's will be executed in-order
		2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1795		2823
1796	$self->enter_link;	2824	$self->enter_link;
1797		2825
1798	(async {	2826	(async {
1799	my $map = cf::map::find $path;	2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
		2848	my $map = eval {
		2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2850
		2851	if ($map) {
1800	$map = $map->customise_for ($self) if $map;	2852	$map = $map->customise_for ($self);
1801		2853	$map = $check->($map, $x, $y, $self) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2854	} else {
1803	# if $map;
1804
1805	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2856	}
1806		2857
		2858	$map
		2859	};
		2860
		2861	if ($@) {
		2862	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2863	LOG llevError | logBacktrace, Carp::longmess $@;
		2864	}
		2865
		2866	if ($gen == $self->{_goto_generation}) {
		2867	delete $self->{_goto_generation};
1807	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
		2869	}
		2870
		2871	$done->($self) if $done;
1808	})->prio (1);	2872	})->prio (1);
1809	}	2873	}
1810		2874
1811	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
1812		2876
…		…
1814		2878
1815	sub parse_random_map_params {	2879	sub parse_random_map_params {
1816	my ($spec) = @_;	2880	my ($spec) = @_;
1817		2881
1818	my $rmp = { # defaults	2882	my $rmp = { # defaults
1819	xsize => 10,	2883	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2884	ysize => (cf::rndm 15, 40),
		2885	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2886	#layout => string,
1821	};	2887	};
1822		2888
1823	for (split /\n/, $spec) {	2889	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2890	my ($k, $v) = split /\s+/, $_, 2;
1825		2891
…		…
1837	# that depends on the exit object	2903	# that depends on the exit object
1838		2904
1839	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
1840		2906
1841	if ($exit->map) {	2907	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2908	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
1846	}	2914	}
1847		2915
1848	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
1849		2917
1850	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1851	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
		2920	my $meta = "$RANDOMDIR/$md5.meta";
1852		2921
1853	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
		2924	undef $fh;
		2925	aio_rename "$meta~", $meta;
1855		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
1856	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
1858	}	2933	}
1859	}	2934	}
1860		2935
1861	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
…		…
1864	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
1865		2940
1866	$self->enter_link;	2941	$self->enter_link;
1867		2942
1868	(async {	2943	(async {
1869	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
1870	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
1871	prepare_random_map $exit	2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
1872	if $exit->slaying eq "/!";	2963	$map = $exit->slaying;
1873		2964
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2965	} elsif ($slaying eq '!up') {
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
1876		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
		2976	$self->goto ($map, $x, $y);
		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
1877	1;	2982	1
1878	}) {	2983	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
1880	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
1881	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2988
1884	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
1885	$self->leave_link;	2990	$self->leave_link;
1886	}	2991	}
1887	})->prio (1);	2992	})->prio (1);
1888	}	2993	}
1889		2994
…		…
1900		3005
1901	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
1903		3008
1904	utf8::encode $text;	3009	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	3011	}
1907		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
		3036	}
		3037
		3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3039
		3040	Send a drawinfo or msg packet to the client, formatting the msg for the
		3041	client if neccessary. C<$type> should be a string identifying the type of
		3042	the message, with C<log> being the default. If C<$color> is negative, suppress
		3043	the message unless the client supports the msg packet.
		3044
		3045	=cut
		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
		3161	sub cf::client::send_msg {
		3162	my ($self, $channel, $msg, $color, @extra) = @_;
		3163
		3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
		3166
		3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
		3176	} elsif (ref $channel) {
		3177	# send meta info to client, if not yet sent
		3178	unless (exists $self->{channel}{$channel->{id}}) {
		3179	$self->{channel}{$channel->{id}} = $channel;
		3180	$self->ext_msg (channel_info => $channel);
		3181	}
		3182
		3183	$channel = $channel->{id};
		3184	}
		3185
		3186	return unless @extra || length $msg;
		3187
		3188	# default colour, mask it out
		3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3190	if $color & cf::NDI_DEF;
		3191
		3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
		3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3195	);
		3196
		3197	$self->send_big_packet ($pkt);
		3198	}
		3199
		3200	=item $client->ext_msg ($type, @msg)
		3201
		3202	Sends an ext event to the client.
		3203
		3204	=cut
		3205
		3206	sub cf::client::ext_msg($$@) {
		3207	my ($self, $type, @msg) = @_;
		3208
		3209	if ($self->extcmd == 2) {
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3211	} elsif ($self->extcmd == 1) { # TODO: remove
		3212	push @msg, msgtype => "event_$type";
		3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3214	}
		3215	}
		3216
		3217	=item $client->ext_reply ($msgid, @msg)
		3218
		3219	Sends an ext reply to the client.
		3220
		3221	=cut
		3222
		3223	sub cf::client::ext_reply($$@) {
		3224	my ($self, $id, @msg) = @_;
		3225
		3226	if ($self->extcmd == 2) {
		3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3228	} elsif ($self->extcmd == 1) {
		3229	#TODO: version 1, remove
		3230	unshift @msg, msgtype => "reply", msgid => $id;
		3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3232	}
		3233	}
1908		3234
1909	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
1910		3236
1911	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
1912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3238	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1914		3240
1915	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
1916	reliable at some point in the future.	3242	become reliable at some point in the future.
1917		3243
1918	=cut	3244	=cut
1919		3245
1920	sub cf::client::query {	3246	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	3255	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		3257
1932	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
1934	}	3262	}
1935		3263
1936	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
1937	on_reply => sub {	3270	on_reply => sub {
1938	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
1939		3272
1940	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
1941	# get handled first	3274	# get handled first
1942	my $queue = delete $ns->{query_queue}	3275	my $queue = delete $ns->{query_queue}
1943	or return; # be conservative, not sure how that can happen, but we saw a crash here	3276	or return; # be conservative, not sure how that can happen, but we saw a crash here
1944		3277
1945	(shift @$queue)->[1]->($msg);	3278	(shift @$queue)->[1]->($msg);
		3279	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		3280
1947	push @{ $ns->{query_queue} }, @$queue;	3281	push @{ $ns->{query_queue} }, @$queue;
1948		3282
1949	if (@{ $ns->{query_queue} } == @$queue) {	3283	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	3284	if (@$queue) {
…		…
1952	} else {	3286	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	3288	}
1955	}	3289	}
1956	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) =
		3298	"ARRAY" eq ref $msg
		3299	? @$msg
		3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3301
		3302	my @reply;
		3303
		3304	if (my $cb = $EXTICMD{$type}) {
		3305	@reply = $cb->($ns, @payload);
		3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
		3311	} else {
		3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3313	}
		3314
		3315	cf::override;
		3316	},
1957	);	3317	);
1958		3318
1959	=item $client->async (\&cb)	3319	=item $client->async (\&cb)
1960		3320
1961	Create a new coroutine, running the specified callback. The coroutine will	3321	Create a new coroutine, running the specified callback. The coroutine will
…		…
1977		3337
1978	$coro	3338	$coro
1979	}	3339	}
1980		3340
1981	cf::client->attach (	3341	cf::client->attach (
1982	on_destroy => sub {	3342	on_client_destroy => sub {
1983	my ($ns) = @_;	3343	my ($ns) = @_;
1984		3344
1985	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1986	},	3346	},
1987	);	3347	);
…		…
2002	our $safe = new Safe "safe";	3362	our $safe = new Safe "safe";
2003	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2004		3364
2005	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2006		3366
2007	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3367	$safe->permit_only (Opcode::opset qw(
		3368	:base_core :base_mem :base_orig :base_math :base_loop
		3369	grepstart grepwhile mapstart mapwhile
		3370	sort time
		3371	));
2008		3372
2009	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
2010		3374
2011	=pod	3375	=pod
2012		3376
2013	The following fucntions and emthods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2014		3378
2015	cf::object contr pay_amount pay_player map	3379	cf::object
		3380	contr pay_amount pay_player map x y force_find force_add destroy
		3381	insert remove name archname title slaying race decrease split
		3382	value
		3383
2016	cf::object::player player	3384	cf::object::player
2017	cf::player peaceful	3385	player
2018	cf::map trigger	3386
		3387	cf::player
		3388	peaceful
		3389
		3390	cf::map
		3391	trigger
2019		3392
2020	=cut	3393	=cut
2021		3394
2022	for (	3395	for (
2023	["cf::object" => qw(contr pay_amount pay_player map)],	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2024	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2026	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2027	) {	3402	) {
2028	no strict 'refs';
2029	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2030	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2031	for @funs;	3405	for @funs;
2032	}	3406	}
2033		3407
…		…
2048		3422
2049	my $qcode = $code;	3423	my $qcode = $code;
2050	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2051	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2052		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2053	local $_;	3430	local $_;
2054	local @safe::cf::_safe_eval_args = values %vars;
2055		3431
2056	my $eval =	3432	my $eval =
2057	"do {\n"	3433	"do {\n"
2058	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2059	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2060	. $code	3436	. $code
2061	. "\n}"	3437	. "\n}"
2062	;	3438	;
2063		3439
		3440	if ($CFG{safe_eval}) {
2064	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2065	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2066	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2067		3449
2068	if ($@) {	3450	if ($@) {
2069	warn "$@";	3451	warn "$@",
2070	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2071	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2072	}	3454	}
2073		3455
2074	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2075	}	3457	}
2076		3458
…		…
2090	=cut	3472	=cut
2091		3473
2092	sub register_script_function {	3474	sub register_script_function {
2093	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2094		3476
2095	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2096	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2097	}	3479	}
2098		3480
2099	=back	3481	=back
2100		3482
2101	=cut	3483	=cut
2102		3484
2103	#############################################################################	3485	#############################################################################
		3486	# the server's init and main functions
2104		3487
2105	=head2 EXTENSION DATABASE SUPPORT	3488	sub load_facedata($) {
		3489	my ($path) = @_;
2106		3490
2107	Crossfire maintains a very simple database for extension use. It can	3491	# HACK to clear player env face cache, we need some signal framework
2108	currently store anything that can be serialised using Storable, which	3492	# for this (global event?)
2109	excludes objects.	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
2110		3494
2111	The parameter C<$family> should best start with the name of the extension	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2112	using it, it should be unique.
2113		3496
2114	=over 4	3497	trace "loading facedata from $path\n";
2115		3498
2116	=item $hashref = cf::db_get $family	3499	my $facedata = decode_storable load_file $path;
2117		3500
2118	Return a hashref for use by the extension C<$family>, which can be	3501	$facedata->{version} == 2
2119	modified. After modifications, you have to call C<cf::db_dirty> or	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2120	C<cf::db_sync>.
2121		3503
2122	=item $value = cf::db_get $family => $key	3504	# patch in the exptable
2123		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2124	Returns a single value from the database	3506	$facedata->{resource}{"res/exp_table"} = {
2125		3507	type => FT_RSRC,
2126	=item cf::db_put $family => $hashref	3508	data => $exp_table,
2127		3509	hash => (Digest::MD5::md5 $exp_table),
2128	Stores the given family hashref into the database. Updates are delayed, if
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}
2154
2155	my $pid;
2156
2157	sub db_save() {
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});	3510	};
		3511	cf::cede_to_tick;
2177		3512
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}	3513	{
		3514	my $faces = $facedata->{faceinfo};
2182		3515
2183	sub db_get($;$) {	3516	while (my ($face, $info) = each %$faces) {
2184	@_ >= 2	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2185	? $DB->{$_[0]}{$_[1]}
2186	: ($DB->{$_[0]} ||= { })
2187	}
2188		3518
2189	sub db_put($$;$) {	3519	cf::face::set_visibility $idx, $info->{visibility};
2190	if (@_ >= 3) {	3520	cf::face::set_magicmap $idx, $info->{magicmap};
2191	$DB->{$_[0]}{$_[1]} = $_[2];	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2192	} else {	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2193	$DB->{$_[0]} = $_[1];	3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2194	}
2195	db_dirty;
2196	}
2197		3524
2198	cf::global->attach (	3525	cf::cede_to_tick;
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	3526	}
2203	);
2204	}
2205		3527
2206	#############################################################################	3528	while (my ($face, $info) = each %$faces) {
2207	# the server's main()	3529	next unless $info->{smooth};
2208		3530
2209	sub cfg_load {	3531	my $idx = cf::face::find $face
2210	open my $fh, "<:utf8", cf::confdir . "/config"	3532	or next;
2211	or return;
2212		3533
2213	local $/;	3534	if (my $smooth = cf::face::find $info->{smooth}) {
2214	*CFG = YAML::Syck::Load <$fh>;	3535	cf::face::set_smooth $idx, $smooth;
		3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3537	} else {
		3538	error "smooth face '$info->{smooth}' not found for face '$face'";
		3539	}
2215		3540
		3541	cf::cede_to_tick;
		3542	}
		3543	}
		3544
		3545	{
		3546	my $anims = $facedata->{animinfo};
		3547
		3548	while (my ($anim, $info) = each %$anims) {
		3549	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3550	cf::cede_to_tick;
		3551	}
		3552
		3553	cf::anim::invalidate_all; # d'oh
		3554	}
		3555
		3556	{
		3557	my $res = $facedata->{resource};
		3558
		3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
		3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3562
		3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3564	cf::face::set_type $idx, $info->{type};
		3565	} else {
		3566	$RESOURCE{$name} = $info; # unused
		3567	}
		3568
		3569	cf::cede_to_tick;
		3570	}
		3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3574
		3575	1
		3576	}
		3577
		3578	register_exticmd fx_want => sub {
		3579	my ($ns, $want) = @_;
		3580
		3581	while (my ($k, $v) = each %$want) {
		3582	$ns->fx_want ($k, $v);
		3583	}
		3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
		3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
		3601	load_resource_file "$MAPDIR/regions"
		3602	or die "unable to load regions file\n";
		3603
		3604	for (cf::region::list) {
		3605	$_->{match} = qr/$_->{match}/
		3606	if exists $_->{match};
		3607	}
		3608	}
		3609
		3610	sub reload_facedata {
		3611	load_facedata "$DATADIR/facedata"
		3612	or die "unable to load facedata\n";
		3613	}
		3614
		3615	sub reload_archetypes {
		3616	load_resource_file "$DATADIR/archetypes"
		3617	or die "unable to load archetypes\n";
		3618	}
		3619
		3620	sub reload_treasures {
		3621	load_resource_file "$DATADIR/treasures"
		3622	or die "unable to load treasurelists\n";
		3623	}
		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
		3645	sub reload_resources {
		3646	trace "reloading resource files...\n";
		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
		3653	reload_regions;
		3654	reload_treasures;
		3655
		3656	trace "finished reloading resource files\n";
		3657	}
		3658
		3659	sub reload_config {
		3660	trace "reloading config file...\n";
		3661
		3662	my $config = load_file "$CONFDIR/config";
		3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
		3665
2216	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2217		3667
2218	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2219	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2220		3670
2221	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
2225	};	3675	};
2226	warn $@ if $@;	3676	warn $@ if $@;
2227	}	3677	}
2228	}	3678	}
2229		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
2230	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
2231	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
2233	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2234	async { Event::one_event };	3721	(async {
		3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
		3724	})->prio (Coro::PRIO_MAX);
2235	};	3725	};
2236		3726
2237	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
2238	db_load;	3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
		3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
2239	load_extensions;	3750	load_extensions;
2240	Event::loop;	3751
		3752	utime time, time, $RUNTIMEFILE;
		3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
2241	}	3770	}
2242		3771
2243	#############################################################################	3772	#############################################################################
2244	# initialisation and cleanup	3773	# initialisation and cleanup
2245		3774
2246	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
2247	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
2248	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2250	data => WF_AUTOCANCEL,
2251	signal => $signal,
2252	cb => sub {
2253	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
2254	},
2255	);	3781	};
		3782	}
		3783	}
		3784
		3785	sub write_runtime_sync {
		3786	my $t0 = AE::time;
		3787
		3788	# first touch the runtime file to show we are still running:
		3789	# the fsync below can take a very very long time.
		3790
		3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3792
		3793	my $guard = cf::lock_acquire "write_runtime";
		3794
		3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3796	or return;
		3797
		3798	my $value = $cf::RUNTIME + 90 + 10;
		3799	# 10 is the runtime save interval, for a monotonic clock
		3800	# 60 allows for the watchdog to kill the server.
		3801
		3802	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3803	and return;
		3804
		3805	# always fsync - this file is important
		3806	aio_fsync $fh
		3807	and return;
		3808
		3809	# touch it again to show we are up-to-date
		3810	aio_utime $fh, undef, undef;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3816	and return;
		3817
		3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3819
2256	}	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
2257	}	3871	}
2258		3872
2259	sub emergency_save() {	3873	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
2261		3875
2262	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
2263		3882
2264	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
2265	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
2266	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
2267	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
2268	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
2269	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
2270	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
2271	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2272	$pl->save;	3894	$pl->save;
2273	}	3895	}
2274	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
2275		3897
2276	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
2277	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
2278	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	3903	$map->valid or next;
2280	$map->save;	3904	$map->save;
2281	}	3905	}
2282	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
		3911	BDB::db_env_txn_checkpoint $DB_ENV;
		3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
2283	};	3936	};
2284		3937
2285	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
2286	}	3939	}
2287		3940
		3941	sub post_cleanup {
		3942	my ($make_core) = @_;
		3943
		3944	IO::AIO::flush;
		3945
		3946	error Carp::longmess "post_cleanup backtrace"
		3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
		3976	}
		3977
2288	sub reload() {	3978	sub do_reload_perl() {
2289	# can/must only be called in main	3979	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
2291	warn "can only reload from main coroutine\n";	3981	error "can only reload from main coroutine";
2292	return;	3982	return;
2293	}	3983	}
2294		3984
2295	warn "reloading...";	3985	return if $RELOAD++;
2296		3986
2297	warn "freezing server";	3987	my $t1 = AE::time;
2298	my $guard = freeze_mainloop;	3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
		3995	cf::sync_job {
2299	cf::emergency_save;	3996	#cf::emergency_save;
2300		3997
2301	warn "sync database to disk";	3998	trace "perl_reload: cancelling all extension coros";
2302	cf::db_sync;
2303	IO::AIO::flush;
2304
2305	eval {
2306	# if anything goes wrong in here, we should simply crash as we already saved
2307
2308	warn "cancel all watchers";
2309	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}
2312
2313	warn "cancel all extension coros";
2314	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	4000	%EXT_CORO = ();
2316		4001
2317	warn "remove commands";	4002	trace "perl_reload: removing commands";
2318	%COMMAND = ();	4003	%COMMAND = ();
2319		4004
2320	warn "remove ext commands";	4005	trace "perl_reload: removing ext/exti commands";
2321	%EXTCMD = ();	4006	%EXTCMD = ();
		4007	%EXTICMD = ();
2322		4008
2323	warn "unload/nuke all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
2326		4012
2327	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
2328	eval {	4014	eval {
2329	$cb->($pkg);	4015	$cb->($pkg);
2330	1	4016	1
2331	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
2332	}	4022	}
2333		4023
2334	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;
2336	}
2337
2338	warn "unload all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		4027
2342	warn "removing <$k>";	4028	trace "... unloading $k";
2343	delete $INC{$k};	4029	delete $INC{$k};
2344		4030
2345	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
2347		4033
2348	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
2349	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
2350	}	4039	}
2351		4040
2352	Symbol::delete_package $k;
2353	}
2354
2355	warn "get rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
2357	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2358		4044
2359	warn "unload cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
		4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2361		4048
2362	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
2363	# and global variables created in xs	4050	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
2365		4052
2366	warn "reloading cf.pm";	4053	info "perl_reload: unload completed, starting to reload now";
		4054
		4055	trace "perl_reload: reloading cf.pm";
2367	require cf;	4056	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
2369		4058
2370	warn "load config and database again";	4059	trace "perl_reload: loading config and database again";
2371	cf::cfg_load;	4060	cf::reload_config;
2372	cf::db_load;
2373		4061
2374	warn "load extensions";	4062	trace "perl_reload: loading extensions";
2375	cf::load_extensions;	4063	cf::load_extensions;
2376		4064
		4065	if ($REATTACH_ON_RELOAD) {
2377	warn "reattach attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
2378	_global_reattach;	4067	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
2380	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
		4070	trace "perl_reload: reattaching attachments to players";
		4071	reattach $_ for values %PLAYER;
		4072	}
		4073
		4074	cf::_post_init 1;
		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
		4078	1
		4079	} or do {
		4080	error $@;
		4081	cf::cleanup "perl_reload: error, exiting.";
		4082	};
		4083
		4084	--$RELOAD;
		4085	}
		4086
		4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
		4089	};
		4090
		4091	our $RELOAD_WATCHER; # used only during reload
		4092
		4093	sub reload_perl() {
		4094	# doing reload synchronously and two reloads happen back-to-back,
		4095	# coro crashes during coro_state_free->destroy here.
		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
		4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4101	do_reload_perl;
		4102	undef $RELOAD_WATCHER;
		4103	};
2381	};	4104	};
2382		4105	}
2383	if ($@) {
2384	warn $@;
2385	warn "error while reloading, exiting.";
2386	exit 1;
2387	}
2388
2389	warn "reloaded";
2390	};
2391		4106
2392	register_command "reload" => sub {	4107	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
2394		4109
2395	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	4111	$who->message ("reloading server.");
		4112	async {
		4113	$Coro::current->{desc} = "perl_reload";
		4114	reload_perl;
		4115	};
2399	}	4116	}
2400	};	4117	};
2401		4118
2402	unshift @INC, $LIBDIR;	4119	#############################################################################
2403		4120
2404	$TICK_WATCHER = Event->timer (	4121	my $bug_warning = 0;
2405	reentrant => 0,
2406	prio => 0,
2407	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,
2409	cb => sub {
2410	$NOW = Event::time;
2411		4122
2412	cf::server_tick; # one server iteration	4123	sub wait_for_tick() {
2413	$RUNTIME += $TICK;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2414	$NEXT_TICK += $TICK;
2415		4125
		4126	$WAIT_FOR_TICK->wait;
		4127	}
		4128
		4129	sub wait_for_tick_begin() {
		4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4131
		4132	my $signal = new Coro::Signal;
		4133	push @WAIT_FOR_TICK_BEGIN, $signal;
		4134	$signal->wait;
		4135	}
		4136
		4137	sub tick {
		4138	if ($Coro::current != $Coro::main) {
		4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4140	unless ++$bug_warning > 10;
		4141	return;
		4142	}
		4143
		4144	cf::one_tick; # one server iteration
		4145
		4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4147
		4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4150	Coro::async_pool {
		4151	$Coro::current->{desc} = "runtime saver";
		4152	write_runtime_sync
		4153	or error "ERROR: unable to write runtime file: $!";
		4154	};
		4155	}
		4156
		4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4158	$sig->send;
		4159	}
2416	$WAIT_FOR_TICK->broadcast;	4160	$WAIT_FOR_TICK->broadcast;
2417	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2418		4161
2419	# if we are delayed by four ticks or more, skip them all	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2421		4164
2422	$TICK_WATCHER->at ($NEXT_TICK);	4165	if (0) {
2423	$TICK_WATCHER->start;	4166	if ($NEXT_TICK) {
		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
2424	},	4171	}
2425	);	4172	}
2426		4173
		4174	{
		4175	# configure BDB
		4176
		4177	BDB::min_parallel 16;
		4178	BDB::max_poll_reqs $TICK * 0.1;
		4179	$AnyEvent::BDB::WATCHER->priority (1);
		4180
		4181	unless ($DB_ENV) {
		4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4188
		4189	cf::sync_job {
		4190	eval {
		4191	BDB::db_env_open
		4192	$DB_ENV,
		4193	$BDBDIR,
		4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4196	0666;
		4197
		4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4199	};
		4200
		4201	cf::cleanup "db_env_open(db): $@" if $@;
		4202	};
		4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
		4214	}
		4215
		4216	{
		4217	# configure IO::AIO
		4218
		4219	IO::AIO::min_parallel 8;
2427	IO::AIO::max_poll_time $TICK * 0.2;	4220	IO::AIO::max_poll_time $TICK * 0.1;
		4221	undef $AnyEvent::AIO::WATCHER;
		4222	}
2428		4223
2429	$AIO_POLL_WATCHER = Event->io (	4224	our $_log_backtrace;
2430	fd => IO::AIO::poll_fileno,	4225	our $_log_backtrace_last;
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436		4226
2437	$WRITE_RUNTIME_WATCHER = Event->timer (	4227	sub _log_backtrace {
2438	data => WF_AUTOCANCEL,	4228	my ($msg, @addr) = @_;
2439	after => 0,	4229
2440	interval => 10,	4230	$msg =~ s/\n$//;
2441	cb => sub {	4231
2442	(Coro::unblock_sub {	4232	if ($_log_backtrace_last eq $msg) {
2443	write_runtime	4233	LOG llevInfo, "[ABT] $msg\n";
2444	or warn "ERROR: unable to write runtime file: $!";	4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4235	# limit the # of concurrent backtraces
		4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
		4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
		4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
		4243	my @bt = fork_call {
		4244	@addr = map { sprintf "%x", $_ } @addr;
		4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4247	or die "addr2line: $!";
		4248
		4249	my @funcs;
		4250	my @res = <$fh>;
		4251	chomp for @res;
		4252	while (@res) {
		4253	my ($func, $line) = splice @res, 0, 2, ();
		4254	push @funcs, "[$func] $line";
		4255	}
		4256
		4257	@funcs
		4258	};
		4259
		4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4262	LOG llevInfo, "[ABT] $_\n" for @bt;
		4263	--$_log_backtrace;
2445	})->();	4264	};
		4265	} else {
		4266	LOG llevInfo, "[ABT] $msg\n";
		4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2446	},	4268	}
2447	);	4269	}
		4270
		4271	# load additional modules
		4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
2448		4274
2449	END { cf::emergency_save }	4275	END { cf::emergency_save }
2450		4276
2451	1	4277	1
2452		4278

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