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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.172 by root, Sun Jan 14 13:32:48 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1955
1155	sub thawer_merge {	1956	sub thawer_merge {
1156	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1157		1958
1158	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1159	local $self->{path};	1960	local $self->{path};
1160	local $self->{load_path};	1961	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1962
1164	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1165	}	1964	}
1166		1965
1167	sub normalise {	1966	sub normalise {
1168	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
		1968
		1969	$path = "$path"; # make sure it's a string
		1970
		1971	$path =~ s/\.map$//;
1169		1972
1170	# map plan:	1973	# map plan:
1171	#	1974	#
1172	# /! non-realised random map exit (special hack!)	1975	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1976	# {... are special paths that are not being touched
…		…
1186	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	1990	$path = "$base/$path";
1188	}	1991	}
1189		1992
1190	for ($path) {	1993	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1194	}	1996	}
1195		1997
1196	$path	1998	$path
…		…
1201		2003
1202	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
1203		2005
1204	$path = normalise $path, $base;	2006	$path = normalise $path, $base;
1205		2007
1206	for my $pkg (keys %EXT_MAP) {	2008	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	2009	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	2010	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	2011	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1211	return $self;	2013	return $self;
1212	}	2014	}
1213	}	2015	}
1214		2016
1215	Carp::carp "unable to resolve path '$path'.";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	2018	()
1217	}	2019	}
1218		2020
		2021	# may re-bless or do other evil things
1219	sub init {	2022	sub init {
1220	my ($self) = @_;	2023	my ($self) = @_;
1221		2024
1222	$self	2025	$self
1223	}	2026	}
…		…
1235		2038
1236	# the original (read-only) location	2039	# the original (read-only) location
1237	sub load_path {	2040	sub load_path {
1238	my ($self) = @_;	2041	my ($self) = @_;
1239		2042
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1241	}	2044	}
1242		2045
1243	# the temporary/swap location	2046	# the temporary/swap location
1244	sub save_path {	2047	sub save_path {
1245	my ($self) = @_;	2048	my ($self) = @_;
1246		2049
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1249	}	2052	}
1250		2053
1251	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1252	sub uniq_path {	2055	sub uniq_path {
1253	my ($self) = @_;	2056	my ($self) = @_;
1254		2057
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1257	}	2060	}
1258		2061
1259	# and all this just because we cannot iterate over	2062	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	2063	my ($self) = @_;
1263		2064
1264	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1266	}	2068	}
1267		2069
1268	sub unlink_save {	2070	sub unlink_save {
1269	my ($self) = @_;	2071	my ($self) = @_;
1270		2072
…		…
1275		2077
1276	sub load_header_from($) {	2078	sub load_header_from($) {
1277	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1278		2080
1279	utf8::encode $path;	2081	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1281	or return;	2083	or return;
1282		2084
1283	$self->_load_header ($path)	2085	$self->_load_header ($f)
1284	or return;	2086	or return;
1285		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1286	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1287		2092
1288	1	2093	1
1289	}	2094	}
1290		2095
		2096	# used to laod the header of an original map
1291	sub load_orig {	2097	sub load_header_orig {
1292	my ($self) = @_;	2098	my ($self) = @_;
1293		2099
1294	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1295	}	2101	}
1296		2102
		2103	# used to laod the header of an instantiated map
1297	sub load_temp {	2104	sub load_header_temp {
1298	my ($self) = @_;	2105	my ($self) = @_;
1299		2106
1300	$self->load_header_from ($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	$self->instantiate;
1301	}	2129	}
1302		2130
1303	sub load_header {	2131	sub load_header {
1304	my ($self) = @_;	2132	my ($self) = @_;
1305		2133
1306	if ($self->load_temp) {	2134	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2135	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2136	} else {
1313	$self->load_orig	2137	$self->load_header_orig
1314	or return;	2138	or return;
1315		2139	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	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 $self->default_region;
1321		2147
1322	1	2148	1
1323	}	2149	}
1324		2150
1325	sub find;	2151	sub find;
1326	sub find {	2152	sub find {
1327	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1328		2154
		2155	cf::cede_to_tick;
		2156
1329	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1330		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2161
1333	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1336	or return;	2164	or return;
1337		2165
1338	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1339		2167
1340	$map->load_header	2168	$map->load_header
1341	or return;	2169	or return;
1342		2170
1343	if ($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
1344	$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1345	$map->reset;	2176	$map->reset;
1346	undef $guard;
1347	$map = find $path	2177	return find $path;
1348	or return;
1349	}	2178	}
1350		2179
1351	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1352	}	2181	}
1353	}	2182	}
		2183
		2184	sub pre_load { }
		2185	#sub post_load { } # XS
1354		2186
1355	sub load {	2187	sub load {
1356	my ($self) = @_;	2188	my ($self) = @_;
1357		2189
		2190	local $self->{deny_reset} = 1; # loading can take a long time
		2191
1358	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1360		2196
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1362		2199
1363	$self->in_memory (cf::MAP_LOADING);
1364
1365	$self->alloc;	2200	$self->alloc;
1366	$self->_load_objects ($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)
1367	or return;	2209	or return;
1368		2210
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1370	if delete $self->{load_original};	2212	if delete $self->{load_original};
1371		2213
1372	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2215	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2218	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1377	}	2223	}
1378	}
1379		2224
1380	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1381		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1382	# now do the right thing for maps	2234	# now do the right thing for maps
1383	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2237	unless $self->difficulty;
1393	Coro::cede;	2238	cf::cede_to_tick;
1394	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
		2250	}
		2251
		2252	$self->post_load;
		2253
1395	}	2254	1
1396
1397	$self->in_memory (cf::MAP_IN_MEMORY);
1398	}	2255	}
1399		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2260	sub customise_for {
1401	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1402		2262
1403	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2264	if $self->per_player;
1405		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1406	$self	2269	$self
1407	}	2270	}
1408		2271
1409	# find and load all maps in the 3x3 area around a map	2272	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2273	sub load_neighbours {
1411	my ($map) = @_;	2274	my ($map) = @_;
1412		2275
1413	my @diag; # diagonal neighbours	2276	my @neigh; # diagonal neighbours
1414		2277
1415	for (0 .. 3) {	2278	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2279	my $neigh = $map->tile_path ($_)
1417	or next;	2280	or next;
1418	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1419	or next;	2282	or next;
1420	$neigh->load;	2283	$neigh->load;
1421		2284
		2285	# now find the diagonal neighbours
		2286	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2289	}
1425		2290
1426	for (@diag) {	2291	for (grep defined $_->[0], @neigh) {
		2292	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2293	my $neigh = find $path, $origin
1428	or next;	2294	or next;
1429	$neigh->load;	2295	$neigh->load;
1430	}	2296	}
1431	}	2297	}
1432		2298
1433	sub find_sync {	2299	sub find_sync {
1434	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1435		2301
1436	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1437	}	2307	}
1438		2308
1439	sub do_load_sync {	2309	sub do_load_sync {
1440	my ($map) = @_;	2310	my ($map) = @_;
1441		2311
1442	cf::sync_job { $map->load };	2312	# it's a bug to call this from the main context
		2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2314	if $Coro::current == $Coro::main;
		2315
		2316	$map->load;
1443	}	2317	}
1444		2318
1445	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2320	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2321
1459	sub find_async {	2322	sub find_async {
1460	my ($path, $origin) = @_;	2323	my ($path, $origin, $load) = @_;
1461		2324
1462	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
1463		2326
1464	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
		2329	}
		2330
		2331	$MAP_PREFETCH{$path} |= $load;
		2332
		2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
		2336	while (%MAP_PREFETCH) {
		2337	while (my ($k, $v) = each %MAP_PREFETCH) {
		2338	if (my $map = find $k) {
		2339	$map->load if $v;
		2340	}
		2341
		2342	delete $MAP_PREFETCH{$k};
		2343	}
		2344	}
		2345	undef $MAP_PREFETCHER;
1466	}	2346	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2347	$MAP_PREFETCHER->prio (6);
1470		2348
1471	()	2349	()
1472	}	2350	}
1473		2351
		2352	# common code, used by both ->save and ->swapout
1474	sub save {	2353	sub _save {
1475	my ($self) = @_;	2354	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2355
1479	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
1480		2357
1481	return unless $self->dirty;	2358	return unless $self->dirty;
1482		2359
…		…
1488	return if $self->{deny_save};	2365	return if $self->{deny_save};
1489		2366
1490	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
1491		2368
1492	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
1494	};	2372	};
		2373
		2374	cf::get_slot 0.02;
1495		2375
1496	if ($uniq) {	2376	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2379	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2381	}
1502	}	2382	}
1503		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
1504	sub swap_out {	2392	sub swap_out {
1505	my ($self) = @_;	2393	my ($self) = @_;
1506		2394
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
1512	return if $self->players;	2399	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
1516	$self->clear;	2410	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2411	}
1519		2412
1520	sub reset_at {	2413	sub reset_at {
1521	my ($self) = @_;	2414	my ($self) = @_;
1522		2415
1523	# TODO: safety, remove and allow resettable per-player maps	2416	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2417	return 1e99 if $self->{deny_reset};
1526		2418
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2421
…		…
1534	my ($self) = @_;	2426	my ($self) = @_;
1535		2427
1536	$self->reset_at <= $cf::RUNTIME	2428	$self->reset_at <= $cf::RUNTIME
1537	}	2429	}
1538		2430
1539	sub rename {
1540	my ($self, $new_path) = @_;
1541
1542	normalise $new_path;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = $new_path; $self->path ($self->{path});
1548	$cf::MAP{$self->path} = $self;
1549
1550	$self->save;
1551	}
1552
1553	sub reset {	2431	sub reset {
1554	my ($self) = @_;	2432	my ($self) = @_;
1555		2433
1556	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
1557		2435
1558	return if $self->players;	2436	return if $self->players;
1559	return if $self->isa ("ext::map_per_player");#d#
1560		2437
1561	warn "resetting map ", $self->path;#d#	2438	cf::trace "resetting map ", $self->path, "\n";
		2439
		2440	$self->state (cf::MAP_SWAPPED);
		2441
		2442	# need to save uniques path
		2443	unless ($self->{deny_save}) {
		2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2445
		2446	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2447	if $uniq;
		2448	}
1562		2449
1563	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
1564		2451
1565	$self->in_memory (cf::MAP_SWAPPED);	2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
1566	$self->clear;	2454	$self->clear;
1567
1568	$_->clear_links_to ($self) for values %cf::MAP;
1569		2455
1570	$self->unlink_save;	2456	$self->unlink_save;
1571	$self->destroy;	2457	$self->destroy;
1572	}	2458	}
1573		2459
1574	my $nuke_counter = "aaaa";	2460	my $nuke_counter = "aaaa";
1575		2461
1576	sub nuke {	2462	sub nuke {
1577	my ($self) = @_;	2463	my ($self) = @_;
1578		2464
		2465	{
		2466	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2467
		2468	delete $cf::MAP{$self->path};
		2469
		2470	$self->unlink_save;
		2471
		2472	bless $self, "cf::map::wrap";
		2473	delete $self->{deny_reset};
1579	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
1580	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
1581	$self->rename ("{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2477
		2478	$cf::MAP{$self->path} = $self;
		2479	}
		2480
1582	$self->reset; # polite request, might not happen	2481	$self->reset; # polite request, might not happen
		2482	}
		2483
		2484	=item $maps = cf::map::tmp_maps
		2485
		2486	Returns an arrayref with all map paths of currently instantiated and saved
		2487	maps. May block.
		2488
		2489	=cut
		2490
		2491	sub tmp_maps() {
		2492	[
		2493	map {
		2494	utf8::decode $_;
		2495	/\.map$/
		2496	? normalise $_
		2497	: ()
		2498	} @{ aio_readdir $TMPDIR or [] }
		2499	]
		2500	}
		2501
		2502	=item $maps = cf::map::random_maps
		2503
		2504	Returns an arrayref with all map paths of currently instantiated and saved
		2505	random maps. May block.
		2506
		2507	=cut
		2508
		2509	sub random_maps() {
		2510	[
		2511	map {
		2512	utf8::decode $_;
		2513	/\.map$/
		2514	? normalise "?random/$_"
		2515	: ()
		2516	} @{ aio_readdir $RANDOMDIR or [] }
		2517	]
1583	}	2518	}
1584		2519
1585	=item cf::map::unique_maps	2520	=item cf::map::unique_maps
1586		2521
1587	Returns an arrayref of paths of all shared maps that have	2522	Returns an arrayref of paths of all shared maps that have
1588	instantiated unique items. May block.	2523	instantiated unique items. May block.
1589		2524
1590	=cut	2525	=cut
1591		2526
1592	sub unique_maps() {	2527	sub unique_maps() {
1593	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2528	[
1594	or return;	2529	map {
1595
1596	my @paths;
1597
1598	for (@$files) {
1599	utf8::decode $_;	2530	utf8::decode $_;
1600	next if /\.pst$/;	2531	s/\.map$//; # TODO future compatibility hack
1601	next unless /^$PATH_SEP/o;	2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2533	? ()
		2534	: normalise $_
		2535	} @{ aio_readdir $UNIQUEDIR or [] }
		2536	]
		2537	}
1602		2538
		2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
1603	s/\.map$//;	2560	s/\.map$// or next;
1604	push @paths, $_;	2561	utf8::decode $_;
1605	}	2562	push @maps, "$dir/$_";
		2563	}
1606		2564
1607	\@paths	2565	push @dirs, map "$dir/$_", @$dirs;
1608	}	2566	}
1609		2567
1610	package cf;	2568	\@maps
		2569	}
1611		2570
1612	=back	2571	=back
1613		2572
1614	=head3 cf::object	2573	=head3 cf::object
1615		2574
…		…
1619		2578
1620	=over 4	2579	=over 4
1621		2580
1622	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
1623		2582
1624	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
1625		2585
1626	=cut	2586	=cut
1627		2587
1628	sub inv_recursive_;	2588	sub inv_recursive_;
1629	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
1632		2592
1633	sub inv_recursive {	2593	sub inv_recursive {
1634	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
1635	}	2595	}
1636		2596
		2597	=item $ref = $ob->ref
		2598
		2599	Creates and returns a persistent reference to an object that can be stored as a string.
		2600
		2601	=item $ob = cf::object::deref ($refstring)
		2602
		2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2604	even if the object actually exists. May block.
		2605
		2606	=cut
		2607
		2608	sub deref {
		2609	my ($ref) = @_;
		2610
		2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2612	my ($uuid, $name) = ($1, $2);
		2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2614	or return;
		2615	$pl->ob->uuid eq $uuid
		2616	or return;
		2617
		2618	$pl->ob
		2619	} else {
		2620	warn "$ref: cannot resolve object reference\n";
		2621	undef
		2622	}
		2623	}
		2624
1637	package cf;	2625	package cf;
1638		2626
1639	=back	2627	=back
1640		2628
1641	=head3 cf::object::player	2629	=head3 cf::object::player
…		…
1647	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2635	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1648	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
1649	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
1650		2638
1651	=cut	2639	=cut
		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
1652		2654
1653	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
1654	# with dialog boxes.	2656	# with dialog boxes.
1655	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
1656	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
…		…
1658		2660
1659	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2661	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1660		2662
1661	if ($self->{record_replies}) {	2663	if ($self->{record_replies}) {
1662	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2664	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2665
1663	} else {	2666	} else {
		2667	my $pl = $self->contr;
		2668
		2669	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2670	my $dialog = $pl->{npc_dialog};
		2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2672
		2673	} else {
1664	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
1665	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2676	}
1666	}	2677	}
		2678	}
		2679
		2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2681
		2682	=cut
		2683
		2684	sub cf::object::send_msg {
		2685	my $pl = shift->contr
		2686	or return;
		2687	$pl->send_msg (@_);
1667	}	2688	}
1668		2689
1669	=item $player_object->may ("access")	2690	=item $player_object->may ("access")
1670		2691
1671	Returns wether the given player is authorized to access resource "access"	2692	Returns wether the given player is authorized to access resource "access"
…		…
1684		2705
1685	=item $player_object->enter_link	2706	=item $player_object->enter_link
1686		2707
1687	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
1688		2709
1689	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
1690	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
1691		2714
1692	Will never block.	2715	Will never block.
1693		2716
1694	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
1695		2718
…		…
1703	=cut	2726	=cut
1704		2727
1705	sub link_map {	2728	sub link_map {
1706	unless ($LINK_MAP) {	2729	unless ($LINK_MAP) {
1707	$LINK_MAP = cf::map::find "{link}"	2730	$LINK_MAP = cf::map::find "{link}"
1708	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2731	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1709	$LINK_MAP->load;	2732	$LINK_MAP->load;
1710	}	2733	}
1711		2734
1712	$LINK_MAP	2735	$LINK_MAP
1713	}	2736	}
…		…
1715	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
1716	my ($self) = @_;	2739	my ($self) = @_;
1717		2740
1718	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
1719		2742
		2743	++$self->{_link_recursion};
		2744
1720	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
1721		2746
1722	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1723	if $self->map;	2748	if $self->map && $self->map->{path} ne "{link}";
1724		2749
1725	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1726	}	2751	}
1727		2752
1728	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
1729	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
		2755
		2756	return unless $self->contr->active;
1730		2757
1731	my $link_pos = delete $self->{_link_pos};	2758	my $link_pos = delete $self->{_link_pos};
1732		2759
1733	unless ($map) {	2760	unless ($map) {
1734	# restore original map position	2761	# restore original map position
…		…
1745	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
1746	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
1747		2774
1748	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
1749	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
1750	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
1751		2778
1752	$map->load;	2779	$map->load;
1753	$map->load_diag;	2780	$map->load_neighbours;
1754		2781
1755	return unless $self->contr->active;	2782	return unless $self->contr->active;
		2783
		2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2785	if ($self->enter_map ($map, $x, $y)) {
		2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
1756	$self->activate_recursive;	2789	$self->activate_recursive;
1757	$self->enter_map ($map, $x, $y);
1758	}
1759
1760	cf::player->attach (
1761	on_logout => sub {
1762	my ($pl) = @_;
1763
1764	# abort map switching before logout
1765	if ($pl->ob->{_link_pos}) {
1766	cf::sync_job {
1767	$pl->ob->leave_link
1768	};
1769	}
1770	},	2790	}
1771	on_login => sub {
1772	my ($pl) = @_;
1773		2791
1774	# try to abort aborted map switching on player login :)	2792	}
1775	# should happen only on crashes
1776	if ($pl->ob->{_link_pos}) {
1777	$pl->ob->enter_link;
1778	(async {
1779	# we need this sleep as the login has a concurrent enter_exit running
1780	# and this sleep increases chances of the player not ending up in scorn
1781	$pl->ob->reply (undef,
1782	"There was an internal problem at your last logout, "
1783	. "the server will try to bring you to your intended destination in a second.",
1784	cf::NDI_RED);
1785	Coro::Timer::sleep 1;
1786	$pl->ob->leave_link;
1787	})->prio (2);
1788	}
1789	},
1790	);
1791		2793
1792	=item $player_object->goto ($path, $x, $y)	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1793		2795
		2796	Moves the player to the given map-path and coordinates by first freezing
		2797	her, loading and preparing them map, calling the provided $check callback
		2798	that has to return the map if sucecssful, and then unfreezes the player on
		2799	the new (success) or old (failed) map position. In either case, $done will
		2800	be called at the end of this process.
		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
1794	=cut	2805	=cut
		2806
		2807	our $GOTOGEN;
1795		2808
1796	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
1797	my ($self, $path, $x, $y) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
		2818	# do generation counting so two concurrent goto's will be executed in-order
		2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1798		2820
1799	$self->enter_link;	2821	$self->enter_link;
1800		2822
1801	(async {	2823	(async {
1802	my $map = cf::map::find $path;	2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
		2845	my $map = eval {
		2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2847
		2848	if ($map) {
1803	$map = $map->customise_for ($self) if $map;	2849	$map = $map->customise_for ($self);
1804		2850	$map = $check->($map, $x, $y, $self) if $check && $map;
1805	# warn "entering ", $map->path, " at ($x, $y)\n"	2851	} else {
1806	# if $map;
1807
1808	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	}
1809		2854
		2855	$map
		2856	};
		2857
		2858	if ($@) {
		2859	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	LOG llevError | logBacktrace, Carp::longmess $@;
		2861	}
		2862
		2863	if ($gen == $self->{_goto_generation}) {
		2864	delete $self->{_goto_generation};
1810	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
		2866	}
		2867
		2868	$done->($self) if $done;
1811	})->prio (1);	2869	})->prio (1);
1812	}	2870	}
1813		2871
1814	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
1815		2873
…		…
1817		2875
1818	sub parse_random_map_params {	2876	sub parse_random_map_params {
1819	my ($spec) = @_;	2877	my ($spec) = @_;
1820		2878
1821	my $rmp = { # defaults	2879	my $rmp = { # defaults
1822	xsize => 10,	2880	xsize => (cf::rndm 15, 40),
1823	ysize => 10,	2881	ysize => (cf::rndm 15, 40),
		2882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2883	#layout => string,
1824	};	2884	};
1825		2885
1826	for (split /\n/, $spec) {	2886	for (split /\n/, $spec) {
1827	my ($k, $v) = split /\s+/, $_, 2;	2887	my ($k, $v) = split /\s+/, $_, 2;
1828		2888
…		…
1840	# that depends on the exit object	2900	# that depends on the exit object
1841		2901
1842	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
1843		2903
1844	if ($exit->map) {	2904	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2905	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
1849	}	2911	}
1850		2912
1851	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
1852		2914
1853	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1854	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
		2917	my $meta = "$RANDOMDIR/$md5.meta";
1855		2918
1856	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
		2921	undef $fh;
		2922	aio_rename "$meta~", $meta;
1858		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
1859	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
1861	}	2930	}
1862	}	2931	}
1863		2932
1864	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
…		…
1867	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
1868		2937
1869	$self->enter_link;	2938	$self->enter_link;
1870		2939
1871	(async {	2940	(async {
1872	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
1873	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
1874	prepare_random_map $exit	2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
1875	if $exit->slaying eq "/!";	2960	$map = $exit->slaying;
1876		2961
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2962	} elsif ($slaying eq '!up') {
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
1879		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
		2973	$self->goto ($map, $x, $y);
		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
1880	1;	2979	1
1881	}) {	2980	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
1883	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2985
1887	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
1888	$self->leave_link;	2987	$self->leave_link;
1889	}	2988	}
1890	})->prio (1);	2989	})->prio (1);
1891	}	2990	}
1892		2991
…		…
1903		3002
1904	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
1906		3005
1907	utf8::encode $text;	3006	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	3008	}
1910		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
		3033	}
		3034
		3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3036
		3037	Send a drawinfo or msg packet to the client, formatting the msg for the
		3038	client if neccessary. C<$type> should be a string identifying the type of
		3039	the message, with C<log> being the default. If C<$color> is negative, suppress
		3040	the message unless the client supports the msg packet.
		3041
		3042	=cut
		3043
		3044	# non-persistent channels (usually the info channel)
		3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
		3052	"c/identify" => {
		3053	id => "infobox",
		3054	title => "Identify",
		3055	reply => undef,
		3056	tooltip => "Items recently identified",
		3057	},
		3058	"c/examine" => {
		3059	id => "infobox",
		3060	title => "Examine",
		3061	reply => undef,
		3062	tooltip => "Signs and other items you examined",
		3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
		3156	);
		3157
		3158	sub cf::client::send_msg {
		3159	my ($self, $channel, $msg, $color, @extra) = @_;
		3160
		3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
		3163
		3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3165
		3166	# check predefined channels, for the benefit of C
		3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
		3173	} elsif (ref $channel) {
		3174	# send meta info to client, if not yet sent
		3175	unless (exists $self->{channel}{$channel->{id}}) {
		3176	$self->{channel}{$channel->{id}} = $channel;
		3177	$self->ext_msg (channel_info => $channel);
		3178	}
		3179
		3180	$channel = $channel->{id};
		3181	}
		3182
		3183	return unless @extra || length $msg;
		3184
		3185	# default colour, mask it out
		3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3187	if $color & cf::NDI_DEF;
		3188
		3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
		3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3192	);
		3193
		3194	$self->send_big_packet ($pkt);
		3195	}
		3196
		3197	=item $client->ext_msg ($type, @msg)
		3198
		3199	Sends an ext event to the client.
		3200
		3201	=cut
		3202
		3203	sub cf::client::ext_msg($$@) {
		3204	my ($self, $type, @msg) = @_;
		3205
		3206	if ($self->extcmd == 2) {
		3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3208	} elsif ($self->extcmd == 1) { # TODO: remove
		3209	push @msg, msgtype => "event_$type";
		3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3211	}
		3212	}
		3213
		3214	=item $client->ext_reply ($msgid, @msg)
		3215
		3216	Sends an ext reply to the client.
		3217
		3218	=cut
		3219
		3220	sub cf::client::ext_reply($$@) {
		3221	my ($self, $id, @msg) = @_;
		3222
		3223	if ($self->extcmd == 2) {
		3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3225	} elsif ($self->extcmd == 1) {
		3226	#TODO: version 1, remove
		3227	unshift @msg, msgtype => "reply", msgid => $id;
		3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3229	}
		3230	}
1911		3231
1912	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
1913		3233
1914	Queues a query to the client, calling the given callback with	3234	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3235	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3236	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		3237
1918	Queries can fail, so check the return code. Or don't, as queries will become	3238	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	3239	become reliable at some point in the future.
1920		3240
1921	=cut	3241	=cut
1922		3242
1923	sub cf::client::query {	3243	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	3244	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	3252	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3253	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		3254
1935	$self->send_packet ($self->{query_queue}[0][0])	3255	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	3256	if @{ $self->{query_queue} } == 1;
		3257
		3258	1
1937	}	3259	}
1938		3260
1939	cf::client->attach (	3261	cf::client->attach (
		3262	on_connect => sub {
		3263	my ($ns) = @_;
		3264
		3265	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3266	},
1940	on_reply => sub {	3267	on_reply => sub {
1941	my ($ns, $msg) = @_;	3268	my ($ns, $msg) = @_;
1942		3269
1943	# this weird shuffling is so that direct followup queries	3270	# this weird shuffling is so that direct followup queries
1944	# get handled first	3271	# get handled first
1945	my $queue = delete $ns->{query_queue}	3272	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	3273	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		3274
1948	(shift @$queue)->[1]->($msg);	3275	(shift @$queue)->[1]->($msg);
		3276	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		3277
1950	push @{ $ns->{query_queue} }, @$queue;	3278	push @{ $ns->{query_queue} }, @$queue;
1951		3279
1952	if (@{ $ns->{query_queue} } == @$queue) {	3280	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	3281	if (@$queue) {
…		…
1955	} else {	3283	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3284	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	3285	}
1958	}	3286	}
1959	},	3287	},
		3288	on_exticmd => sub {
		3289	my ($ns, $buf) = @_;
		3290
		3291	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3292
		3293	if (ref $msg) {
		3294	my ($type, $reply, @payload) =
		3295	"ARRAY" eq ref $msg
		3296	? @$msg
		3297	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
1960	);	3314	);
1961		3315
1962	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
1963		3317
1964	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980		3334
1981	$coro	3335	$coro
1982	}	3336	}
1983		3337
1984	cf::client->attach (	3338	cf::client->attach (
1985	on_destroy => sub {	3339	on_client_destroy => sub {
1986	my ($ns) = @_;	3340	my ($ns) = @_;
1987		3341
1988	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1989	},	3343	},
1990	);	3344	);
…		…
2005	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2007		3361
2008	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2009		3363
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2011		3369
2012	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2013		3371
2014	=pod	3372	=pod
2015		3373
2016	The following fucntions and emthods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2017		3375
2018	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2019	cf::object::player player	3381	cf::object::player
2020	cf::player peaceful	3382	player
2021	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2022		3389
2023	=cut	3390	=cut
2024		3391
2025	for (	3392	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2027	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2029	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2030	) {	3399	) {
2031	no strict 'refs';
2032	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2033	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2034	for @funs;	3402	for @funs;
2035	}	3403	}
2036		3404
…		…
2051		3419
2052	my $qcode = $code;	3420	my $qcode = $code;
2053	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2054	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2055		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2056	local $_;	3427	local $_;
2057	local @safe::cf::_safe_eval_args = values %vars;
2058		3428
2059	my $eval =	3429	my $eval =
2060	"do {\n"	3430	"do {\n"
2061	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2062	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2063	. $code	3433	. $code
2064	. "\n}"	3434	. "\n}"
2065	;	3435	;
2066		3436
		3437	if ($CFG{safe_eval}) {
2067	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2068	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2069	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2070		3446
2071	if ($@) {	3447	if ($@) {
2072	warn "$@";	3448	warn "$@",
2073	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2074	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2075	}	3451	}
2076		3452
2077	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2078	}	3454	}
2079		3455
…		…
2093	=cut	3469	=cut
2094		3470
2095	sub register_script_function {	3471	sub register_script_function {
2096	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2097		3473
2098	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2099	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2100	}	3476	}
2101		3477
2102	=back	3478	=back
2103		3479
2104	=cut	3480	=cut
2105		3481
2106	#############################################################################	3482	#############################################################################
		3483	# the server's init and main functions
2107		3484
2108	=head2 EXTENSION DATABASE SUPPORT	3485	sub load_facedata($) {
		3486	my ($path) = @_;
2109		3487
2110	Crossfire maintains a very simple database for extension use. It can	3488	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3489	# for this (global event?)
2112	excludes objects.	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3491
2114	The parameter C<$family> should best start with the name of the extension	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3493
2117	=over 4	3494	trace "loading facedata from $path\n";
2118		3495
2119	=item $hashref = cf::db_get $family	3496	my $facedata = decode_storable load_file $path;
2120		3497
2121	Return a hashref for use by the extension C<$family>, which can be	3498	$facedata->{version} == 2
2122	modified. After modifications, you have to call C<cf::db_dirty> or	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2123	C<cf::db_sync>.
2124		3500
2125	=item $value = cf::db_get $family => $key	3501	# patch in the exptable
2126		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2127	Returns a single value from the database	3503	$facedata->{resource}{"res/exp_table"} = {
2128		3504	type => FT_RSRC,
2129	=item cf::db_put $family => $hashref	3505	data => $exp_table,
2130		3506	hash => (Digest::MD5::md5 $exp_table),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3507	};
		3508	cf::cede_to_tick;
2180		3509
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3510	{
		3511	my $faces = $facedata->{faceinfo};
2185		3512
2186	sub db_get($;$) {	3513	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191		3515
2192	sub db_put($$;$) {	3516	cf::face::set_visibility $idx, $info->{visibility};
2193	if (@_ >= 3) {	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2194	$DB->{$_[0]}{$_[1]} = $_[2];	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2195	} else {	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2196	$DB->{$_[0]} = $_[1];	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2197	}
2198	db_dirty;
2199	}
2200		3521
2201	cf::global->attach (	3522	cf::cede_to_tick;
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3523	}
2206	);
2207	}
2208		3524
2209	#############################################################################	3525	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3526	next unless $info->{smooth};
2211		3527
2212	sub cfg_load {	3528	my $idx = cf::face::find $face
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3529	or next;
2214	or return;
2215		3530
2216	local $/;	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2217	*CFG = YAML::Syck::Load <$fh>;	3532	cf::face::set_smooth $idx, $smooth;
		3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3534	} else {
		3535	error "smooth face '$info->{smooth}' not found for face '$face'";
		3536	}
2218		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	{
		3543	my $anims = $facedata->{animinfo};
		3544
		3545	while (my ($anim, $info) = each %$anims) {
		3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3547	cf::cede_to_tick;
		3548	}
		3549
		3550	cf::anim::invalidate_all; # d'oh
		3551	}
		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
		3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3559
		3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3561	cf::face::set_type $idx, $info->{type};
		3562	} else {
		3563	$RESOURCE{$name} = $info; # unused
		3564	}
		3565
		3566	cf::cede_to_tick;
		3567	}
		3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3571
		3572	1
		3573	}
		3574
		3575	register_exticmd fx_want => sub {
		3576	my ($ns, $want) = @_;
		3577
		3578	while (my ($k, $v) = each %$want) {
		3579	$ns->fx_want ($k, $v);
		3580	}
		3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
		3592
		3593	sub reload_regions {
		3594	# HACK to clear player env face cache, we need some signal framework
		3595	# for this (global event?)
		3596	%ext::player_env::MUSIC_FACE_CACHE = ();
		3597
		3598	load_resource_file "$MAPDIR/regions"
		3599	or die "unable to load regions file\n";
		3600
		3601	for (cf::region::list) {
		3602	$_->{match} = qr/$_->{match}/
		3603	if exists $_->{match};
		3604	}
		3605	}
		3606
		3607	sub reload_facedata {
		3608	load_facedata "$DATADIR/facedata"
		3609	or die "unable to load facedata\n";
		3610	}
		3611
		3612	sub reload_archetypes {
		3613	load_resource_file "$DATADIR/archetypes"
		3614	or die "unable to load archetypes\n";
		3615	}
		3616
		3617	sub reload_treasures {
		3618	load_resource_file "$DATADIR/treasures"
		3619	or die "unable to load treasurelists\n";
		3620	}
		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
		3642	sub reload_resources {
		3643	trace "reloading resource files...\n";
		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
		3650	reload_regions;
		3651	reload_treasures;
		3652
		3653	trace "finished reloading resource files\n";
		3654	}
		3655
		3656	sub reload_config {
		3657	trace "reloading config file...\n";
		3658
		3659	my $config = load_file "$CONFDIR/config";
		3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
		3662
2219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2220		3664
2221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2223		3667
2224	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
2228	};	3672	};
2229	warn $@ if $@;	3673	warn $@ if $@;
2230	}	3674	}
2231	}	3675	}
2232		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
2233	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
2234	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	async { Event::one_event };	3718	(async {
		3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
		3721	})->prio (Coro::PRIO_MAX);
2238	};	3722	};
2239		3723
2240	cfg_load;	3724	evthread_start IO::AIO::poll_fileno;
2241	db_load;	3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
		3736	reload_config;
		3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
2242	load_extensions;	3747	load_extensions;
2243	Event::loop;	3748
		3749	utime time, time, $RUNTIMEFILE;
		3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
2244	}	3767	}
2245		3768
2246	#############################################################################	3769	#############################################################################
2247	# initialisation and cleanup	3770	# initialisation and cleanup
2248		3771
2249	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
2250	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
2257	},
2258	);	3778	};
		3779	}
		3780	}
		3781
		3782	sub write_runtime_sync {
		3783	my $t0 = AE::time;
		3784
		3785	# first touch the runtime file to show we are still running:
		3786	# the fsync below can take a very very long time.
		3787
		3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3789
		3790	my $guard = cf::lock_acquire "write_runtime";
		3791
		3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3793	or return;
		3794
		3795	my $value = $cf::RUNTIME + 90 + 10;
		3796	# 10 is the runtime save interval, for a monotonic clock
		3797	# 60 allows for the watchdog to kill the server.
		3798
		3799	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3800	and return;
		3801
		3802	# always fsync - this file is important
		3803	aio_fsync $fh
		3804	and return;
		3805
		3806	# touch it again to show we are up-to-date
		3807	aio_utime $fh, undef, undef;
		3808
		3809	close $fh
		3810	or return;
		3811
		3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3813	and return;
		3814
		3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3816
2259	}	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
2260	}	3868	}
2261		3869
2262	sub emergency_save() {	3870	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
2264		3872
2265	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
2266		3879
2267	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
2268	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
2269	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
2270	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
2272	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3891	$pl->save;
2276	}	3892	}
2277	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
2278		3894
2279	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
2280	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
2281	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3900	$map->valid or next;
2283	$map->save;	3901	$map->save;
2284	}	3902	}
2285	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
		3904
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
		3908	BDB::db_env_txn_checkpoint $DB_ENV;
		3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
2286	};	3933	};
2287		3934
2288	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
2289	}	3936	}
2290		3937
		3938	sub post_cleanup {
		3939	my ($make_core) = @_;
		3940
		3941	IO::AIO::flush;
		3942
		3943	error Carp::longmess "post_cleanup backtrace"
		3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
		3973	}
		3974
2291	sub reload() {	3975	sub do_reload_perl() {
2292	# can/must only be called in main	3976	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
2294	warn "can only reload from main coroutine\n";	3978	error "can only reload from main coroutine";
2295	return;	3979	return;
2296	}	3980	}
2297		3981
2298	warn "reloading...";	3982	return if $RELOAD++;
2299		3983
2300	warn "freezing server";	3984	my $t1 = AE::time;
2301	my $guard = freeze_mainloop;	3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
		3992	cf::sync_job {
2302	cf::emergency_save;	3993	#cf::emergency_save;
2303		3994
2304	warn "sync database to disk";	3995	trace "perl_reload: cancelling all extension coros";
2305	cf::db_sync;
2306	IO::AIO::flush;
2307
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved
2310
2311	warn "cancel all watchers";
2312	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}
2315
2316	warn "cancel all extension coros";
2317	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3997	%EXT_CORO = ();
2319		3998
2320	warn "remove commands";	3999	trace "perl_reload: removing commands";
2321	%COMMAND = ();	4000	%COMMAND = ();
2322		4001
2323	warn "remove ext commands";	4002	trace "perl_reload: removing ext/exti commands";
2324	%EXTCMD = ();	4003	%EXTCMD = ();
		4004	%EXTICMD = ();
2325		4005
2326	warn "unload/nuke all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
2329		4009
2330	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
2331	eval {	4011	eval {
2332	$cb->($pkg);	4012	$cb->($pkg);
2333	1	4013	1
2334	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
2335	}	4019	}
2336		4020
2337	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;
2339	}
2340
2341	warn "unload all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		4024
2345	warn "removing <$k>";	4025	trace "... unloading $k";
2346	delete $INC{$k};	4026	delete $INC{$k};
2347		4027
2348	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
2350		4030
2351	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
2352	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
2353	}	4036	}
2354		4037
2355	Symbol::delete_package $k;
2356	}
2357
2358	warn "get rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		4041
2362	warn "unload cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
		4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2364		4045
2365	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
2366	# and global variables created in xs	4047	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
2368		4049
2369	warn "reloading cf.pm";	4050	info "perl_reload: unload completed, starting to reload now";
		4051
		4052	trace "perl_reload: reloading cf.pm";
2370	require cf;	4053	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
2372		4055
2373	warn "load config and database again";	4056	trace "perl_reload: loading config and database again";
2374	cf::cfg_load;	4057	cf::reload_config;
2375	cf::db_load;
2376		4058
2377	warn "load extensions";	4059	trace "perl_reload: loading extensions";
2378	cf::load_extensions;	4060	cf::load_extensions;
2379		4061
		4062	if ($REATTACH_ON_RELOAD) {
2380	warn "reattach attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
2381	_global_reattach;	4064	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
2383	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
		4067	trace "perl_reload: reattaching attachments to players";
		4068	reattach $_ for values %PLAYER;
		4069	}
		4070
		4071	cf::_post_init 1;
		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
		4075	1
		4076	} or do {
		4077	error $@;
		4078	cf::cleanup "perl_reload: error, exiting.";
		4079	};
		4080
		4081	--$RELOAD;
		4082	}
		4083
		4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
		4086	};
		4087
		4088	our $RELOAD_WATCHER; # used only during reload
		4089
		4090	sub reload_perl() {
		4091	# doing reload synchronously and two reloads happen back-to-back,
		4092	# coro crashes during coro_state_free->destroy here.
		4093
		4094	$RELOAD_WATCHER ||= cf::async {
		4095	Coro::AIO::aio_wait cache_extensions;
		4096
		4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4098	do_reload_perl;
		4099	undef $RELOAD_WATCHER;
		4100	};
2384	};	4101	};
2385		4102	}
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391
2392	warn "reloaded";
2393	};
2394		4103
2395	register_command "reload" => sub {	4104	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
2397		4106
2398	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("start of reload.");
2400	reload;
2401	$who->message ("end of reload.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
		4111	reload_perl;
		4112	};
2402	}	4113	}
2403	};	4114	};
2404		4115
2405	unshift @INC, $LIBDIR;	4116	#############################################################################
2406		4117
2407	$TICK_WATCHER = Event->timer (	4118	my $bug_warning = 0;
2408	reentrant => 0,
2409	prio => 0,
2410	at => $NEXT_TICK || $TICK,
2411	data => WF_AUTOCANCEL,
2412	cb => sub {
2413	$NOW = Event::time;
2414		4119
2415	cf::server_tick; # one server iteration	4120	sub wait_for_tick() {
2416	$RUNTIME += $TICK;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2417	$NEXT_TICK += $TICK;
2418		4122
		4123	$WAIT_FOR_TICK->wait;
		4124	}
		4125
		4126	sub wait_for_tick_begin() {
		4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4128
		4129	my $signal = new Coro::Signal;
		4130	push @WAIT_FOR_TICK_BEGIN, $signal;
		4131	$signal->wait;
		4132	}
		4133
		4134	sub tick {
		4135	if ($Coro::current != $Coro::main) {
		4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4137	unless ++$bug_warning > 10;
		4138	return;
		4139	}
		4140
		4141	cf::one_tick; # one server iteration
		4142
		4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4144
		4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
		4149	write_runtime_sync
		4150	or error "ERROR: unable to write runtime file: $!";
		4151	};
		4152	}
		4153
		4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4155	$sig->send;
		4156	}
2419	$WAIT_FOR_TICK->broadcast;	4157	$WAIT_FOR_TICK->broadcast;
2420	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2421		4158
2422	# if we are delayed by four ticks or more, skip them all	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
2423	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2424		4161
2425	$TICK_WATCHER->at ($NEXT_TICK);	4162	if (0) {
2426	$TICK_WATCHER->start;	4163	if ($NEXT_TICK) {
		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
2427	},	4168	}
2428	);	4169	}
2429		4170
		4171	{
		4172	# configure BDB
		4173
		4174	BDB::min_parallel 16;
		4175	BDB::max_poll_reqs $TICK * 0.1;
		4176	$AnyEvent::BDB::WATCHER->priority (1);
		4177
		4178	unless ($DB_ENV) {
		4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4185
		4186	cf::sync_job {
		4187	eval {
		4188	BDB::db_env_open
		4189	$DB_ENV,
		4190	$BDBDIR,
		4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4193	0666;
		4194
		4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4196	};
		4197
		4198	cf::cleanup "db_env_open(db): $@" if $@;
		4199	};
		4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
		4211	}
		4212
		4213	{
		4214	# configure IO::AIO
		4215
		4216	IO::AIO::min_parallel 8;
2430	IO::AIO::max_poll_time $TICK * 0.2;	4217	IO::AIO::max_poll_time $TICK * 0.1;
		4218	undef $AnyEvent::AIO::WATCHER;
		4219	}
2431		4220
2432	$AIO_POLL_WATCHER = Event->io (	4221	our $_log_backtrace;
2433	fd => IO::AIO::poll_fileno,	4222	our $_log_backtrace_last;
2434	poll => 'r',
2435	prio => 5,
2436	data => WF_AUTOCANCEL,
2437	cb => \&IO::AIO::poll_cb,
2438	);
2439		4223
2440	$WRITE_RUNTIME_WATCHER = Event->timer (	4224	sub _log_backtrace {
2441	data => WF_AUTOCANCEL,	4225	my ($msg, @addr) = @_;
2442	after => 0,	4226
2443	interval => 10,	4227	$msg =~ s/\n$//;
2444	cb => sub {	4228
2445	(Coro::unblock_sub {	4229	if ($_log_backtrace_last eq $msg) {
2446	write_runtime	4230	LOG llevInfo, "[ABT] $msg\n";
2447	or warn "ERROR: unable to write runtime file: $!";	4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4232	# limit the # of concurrent backtraces
		4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
		4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
		4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
		4240	my @bt = fork_call {
		4241	@addr = map { sprintf "%x", $_ } @addr;
		4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4244	or die "addr2line: $!";
		4245
		4246	my @funcs;
		4247	my @res = <$fh>;
		4248	chomp for @res;
		4249	while (@res) {
		4250	my ($func, $line) = splice @res, 0, 2, ();
		4251	push @funcs, "[$func] $line";
		4252	}
		4253
		4254	@funcs
		4255	};
		4256
		4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4259	LOG llevInfo, "[ABT] $_\n" for @bt;
		4260	--$_log_backtrace;
2448	})->();	4261	};
		4262	} else {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2449	},	4265	}
2450	);	4266	}
		4267
		4268	# load additional modules
		4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
2451		4271
2452	END { cf::emergency_save }	4272	END { cf::emergency_save }
2453		4273
2454	1	4274	1
2455		4275

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