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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.576 by root, Tue Jan 3 02:08:49 2012 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
		99	our $DATADIR = datadir;
		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
49	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;
50	our $NOW;	138	our $NOW;
51		139
52	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
53		141	our (%MAP, %MAP_LOADING ); # all maps
54	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;
56
57	our %PLAYER; # all users
58	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		143
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
68	binmode STDOUT;	160	binmode STDOUT;
69	binmode STDERR;	161	binmode STDERR;
70		162
71	# read virtual server time, if available	163	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
76	}	168	}
77		169
78	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
79	mkdir cf::localdir . "/" . cf::playerdir;	171
80	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
81	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir $RANDOM_MAPS;
83		174
84	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
85		176
		177	sub cf::map::normalise;
		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
86	#############################################################################	183	#############################################################################
87		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
88	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
89		197
90	=over 4	198	=over 4
91		199
92	=item $cf::UPTIME	200	=item $cf::UPTIME
93		201
94	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.
95		218
96	=item $cf::RUNTIME	219	=item $cf::RUNTIME
97		220
98	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
99	every server tick.	222	every server tick.
100		223
101	=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
102		227
103	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		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
106	=item $cf::NOW	239	=item $cf::LOAD
107		240
108	The time of the last (current) server tick.	241	The raw value load value from the last tick.
109
110	=item $cf::TICK
111
112	The interval between server ticks, in seconds.
113		242
114	=item %cf::CFG	243	=item %cf::CFG
115		244
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	246	from wherever your confdir points to.
118		247
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		249
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
123	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
125		282
126	=back	283	=back
127		284
128	=cut	285	=cut
129		286
130	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
131	*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 {
132	my $msg = join "", @_;	294	my $msg = join "", @_;
133	utf8::encode $msg;
134		295
135	$msg .= "\n"	296	$msg .= "\n"
136	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
137		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
138	LOG llevError, $msg;	301	LOG llevWarn, $msg;
139	};	302	};
140	}	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	};
141		317
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		325
149	# 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
150	# within the Safe compartment.	327	# within the Safe compartment.
151	for my $pkg (qw(	328	for my $pkg (qw(
152	cf::global cf::attachable	329	cf::global cf::attachable
153	cf::object cf::object::player	330	cf::object cf::object::player
154	cf::client cf::player	331	cf::client cf::player
155	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
156	cf::map cf::party cf::region	334	cf::party cf::region
157	)) {	335	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	337	}
161		338
162	$Event::DIED = sub {	339	$EV::DIED = sub {
163	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
164	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
165		349
166	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
167		351
168	=over 4	352	=over 4
169		353
…		…
188	$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;
189	$d	373	$d
190	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
191	}	375	}
192		376
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
194		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
195	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
196		392
197	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
198		394
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
207		396
208	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
209		398
210	=cut	399	=cut
211		400
212	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
214	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	}
215	}	466	}
216		467
217	=item cf::lock_wait $string	468	=item cf::lock_wait $string
218		469
219	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
220		471
221	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
222		473
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
226	returned.	477	returned.
227		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
228	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
229	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
230		484
231	=cut	485	=item $locked = cf::lock_active $string
232		486
233	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;
234		492
235	sub lock_wait($) {	493	sub lock_wait($) {
236	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	495	}
244		496
245	sub lock_acquire($) {	497	sub lock_acquire($) {
246	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
247		500
248	# wait, to be sure we are not locked	501	sub lock_active($) {
249	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	503	}
258		504
259	sub freeze_mainloop {	505	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
261		507
262	my $guard = Coro::guard { $TICK_WATCHER->start };	508	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	509	}
264	$guard	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	$busy = 0;
		576	Coro::schedule;
		577	}
		578	}
		579	};
		580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
265	}	594	}
266		595
267	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
268		597
269	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		603
275	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
276		605
277	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
278		607
279	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
280	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
281	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.
282		612
283	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
284	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
285	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
286	fast or be very important.	616	fast or be very important.
…		…
288	=cut	618	=cut
289		619
290	sub sync_job(&) {	620	sub sync_job(&) {
291	my ($job) = @_;	621	my ($job) = @_;
292		622
293	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
294	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
296		628
297	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	630
299	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
300		632
301	my $busy = 1;	633	my $busy = 1;
302	my @res;	634	my @res;
303		635
304	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	638	@res = eval { $job->() };
306	warn $@ if $@;	639	error $@ if $@;
307	undef $busy;	640	undef $busy;
308	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
309		642
310	while ($busy) {	643	while ($busy) {
311	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
312	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
313		654
314	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
315	} else {	656	} else {
316	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
317		658
…		…
337	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
338		679
339	$coro	680	$coro
340	}	681	}
341		682
342	sub write_runtime {	683	=item fork_call { }, @args
343	return unless $TICK_WATCHER->is_active;
344		684
345	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		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.
346		689
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
348	or return;
349		691
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	692	sub post_fork {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	693	reset_signals;
352	and return;	694	}
353		695
354	aio_fsync $fh	696	sub fork_call(&@) {
355	and return;	697	my ($cb, @args) = @_;
356		698
357	close $fh	699	# we seemingly have to make a local copy of the whole thing,
358	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
359		702
360	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
361	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
362		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
363	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 });
364	}	886	}
365		887
366	=back	888	=back
367		889
368	=cut	890	=cut
369		891
370	#############################################################################	892	#############################################################################
371		893
372	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
373		895
374	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
375	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")
376	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
377		899
378	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>
379	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
380	crossfire+).	902	Deliantra).
381		903
382	=over 4	904	=over 4
383		905
384	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
385		907
…		…
429	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
430		952
431	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
432	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
433		955
434	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
435	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.
436		958
437	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
438		960
439	=over 4	961	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	1021	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	1022	our @CB_MAP = ();
501		1023
502	my %attachment;	1024	my %attachment;
503		1025
		1026	sub cf::attachable::thawer_merge {
		1027	# simply override everything except _meta
		1028	local $_[0]{_meta};
		1029	%{$_[0]} = %{$_[1]};
		1030	}
		1031
504	sub _attach_cb($$$$) {	1032	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	1033	my ($registry, $event, $prio, $cb) = @_;
506		1034
507	use sort 'stable';	1035	use sort 'stable';
508		1036
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
543		1071
544	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		1076
549	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
551		1079
552	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
557		1085
558	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
559	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
560		1088
561	} elsif (ref $type) {	1089	} elsif (ref $type) {
562	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
563		1091
564	} else {	1092	} else {
565	shift @arg;	1093	shift @arg;
566	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
567	}	1095	}
568	}	1096	}
569	}	1097	}
570		1098
571	sub _object_attach {	1099	sub _object_attach {
…		…
581	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
582	}	1110	}
583		1111
584	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
585	} else {	1113	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
587	}	1115	}
588		1116
589	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
590	}	1118	}
591		1119
…		…
593	if (ref $_[0]) {	1121	if (ref $_[0]) {
594	_object_attach @_;	1122	_object_attach @_;
595	} else {	1123	} else {
596	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
597	}	1125	}
		1126	_recalc_want;
598	};	1127	};
599		1128
600	# all those should be optimised	1129	# all those should be optimised
601	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
606	reattach ($obj);	1135	reattach ($obj);
607	} else {	1136	} else {
608	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
609	}	1138	}
		1139	_recalc_want;
610	};	1140	};
611		1141
612	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
614		1144
…		…
629	";	1159	";
630	die if $@;	1160	die if $@;
631	}	1161	}
632		1162
633	our $override;	1163	our $override;
634	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?
635		1165
636	sub override {	1166	sub override {
637	$override = 1;	1167	$override = 1;
638	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
639	}	1169	}
640		1170
641	sub do_invoke {	1171	sub do_invoke {
642	my $event = shift;	1172	my $event = shift;
643	my $callbacks = shift;	1173	my $callbacks = shift;
644		1174
645	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
646		1176
647	local $override;	1177	local $override;
648		1178
649	for (@$callbacks) {	1179	for (@$callbacks) {
650	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
651		1181
652	if ($@) {	1182	if ($@) {
653	warn "$@";
654	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
655	override;	1184	override;
656	}	1185	}
657		1186
658	return 1 if $override;	1187	return 1 if $override;
659	}	1188	}
660		1189
661	0	1190	0
662	}	1191	}
663		1192
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1194
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1196
668	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
669		1198
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1202
674	=back	1203	=back
675		1204
676	=cut	1205	=cut
677		1206
678	#############################################################################	1207	#############################################################################
679	# 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	}
680		1251
681	sub reattach {	1252	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1254	my ($obj) = @_;
		1255
		1256	# no longer needed after getting rid of delete_package?
		1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1258
685	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
686		1260
687	@$registry = ();	1261	@$registry = ();
688		1262
…		…
693	for (@$attach) {	1267	for (@$attach) {
694	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
695	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
696	}	1270	}
697	} else {	1271	} else {
698	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
699	}	1273	}
700	}	1274	}
701	}	1275	}
702		1276
703	cf::attachable->attach (	1277	cf::attachable->attach (
704	prio => -1000000,	1278	prio => -1000000,
705	on_instantiate => sub {	1279	on_instantiate => sub {
706	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
707		1281
708	$data = from_json $data;	1282	$data = decode_json $data;
709		1283
710	for (@$data) {	1284	for (@$data) {
711	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
712		1286
713	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1303	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
731		1305
732	sync_job {	1306	sync_job {
733	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
736		1312
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$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;
740	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
741	close $fh;	1320	aio_close $fh;
742		1321
743	if (@$objs) {	1322	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	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;
748	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
749	close $fh;	1331	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
751	}	1333	}
752	} else {	1334	} else {
753	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
754	}	1336	}
755		1337
756	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1342	} else {
758	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
759	}	1344	}
760	} else {	1345	} else {
761	aio_unlink $filename;	1346	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
763	}	1348	}
764	}	1349	};
765	}	1350	}
766		1351
767	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
769		1354
…		…
781	or return;	1366	or return;
782		1367
783	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
785	or return;	1370	or return;
		1371
786	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
787	}	1374	}
788		1375
		1376	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
791	return ($data, $av);	1381	($data, $av)
792	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
793		1389
794	#############################################################################	1390	#############################################################################
795	# command handling &c	1391	# command handling &c
796		1392
797	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1407	}
812		1408
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1410
815	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.
816		1416
817	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
818	called.	1418	called.
819		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
820	=cut	1431	=cut
821		1432
822	sub register_extcmd {	1433	sub register_extcmd {
823	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
824		1435
825	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
826	}	1437	}
827		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
828	cf::player->attach (	1447	cf::player->attach (
829	on_command => sub {	1448	on_unknown_command => sub {
830	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
831		1450
832	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
833	or return;	1452	or return;
834		1453
…		…
839	cf::override;	1458	cf::override;
840	},	1459	},
841	on_extcmd => sub {	1460	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
843		1462
844	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1464
846	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
852	} else {	1477	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1479	}
855		1480
856	cf::override;	1481	cf::override;
857	},	1482	},
858	);	1483	);
859		1484
		1485	# "readahead" all extensions
860	sub load_extension {	1486	sub cache_extensions {
861	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
862		1488
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1492	}
888	die $@;
889	}	1493	};
890		1494
891	push @EXTS, $pkg;	1495	$grp
892	}	1496	}
893		1497
894	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
895	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1505	next unless -r $path;
897	eval {	1506
898	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
899	1	1570	}
900	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
901	}	1583	};
902	}	1584	}
903		1585
904	#############################################################################	1586	#############################################################################
905	# load/save/clean perl data associated with a map
906		1587
907	*cf::mapsupport::on_clean = sub {	1588	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1589
920	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
921		1591
922	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
923		1593
924	=cut	1594	=cut
925		1595
926	package cf::player;	1596	package cf::player;
927		1597
…		…
929		1599
930	=head3 cf::player	1600	=head3 cf::player
931		1601
932	=over 4	1602	=over 4
933		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
		1617
934	=item cf::player::find $login	1618	=item cf::player::find $login
935		1619
936	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
937		1621
938	=cut	1622	=cut
939		1623
940	sub playerdir($) {	1624	sub playerdir($) {
941	cf::localdir	1625	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1626	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1627	}
947		1628
948	sub path($) {	1629	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1630	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1631
951	(playerdir $login) . "/$login.pl"	1632	(playerdir $login) . "/playerdata"
952	}	1633	}
953		1634
954	sub find_active($) {	1635	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1636	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1637	and $cf::PLAYER{$_[0]}->active
…		…
959		1640
960	sub exists($) {	1641	sub exists($) {
961	my ($login) = @_;	1642	my ($login) = @_;
962		1643
963	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1645	or !aio_stat path $login
965	}	1646	}
966		1647
967	sub find($) {	1648	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1650	my $login = $_[0];
970		1651
971	my $guard = cf::lock_acquire "user_find:$login";	1652	my $guard = cf::lock_acquire "user_find:$login";
972		1653
973	$cf::PLAYER{$_[0]} || do {	1654	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1655	# rename old playerfiles to new ones
		1656	#TODO: remove when no longer required
		1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1660	aio_unlink +(playerdir $login) . "/$login.pl";
		1661
		1662	my $f = new_from_file cf::object::thawer path $login
975	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
977	}	1671	}
978	}	1672	}
979	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
980		1687
981	sub save($) {	1688	sub save($) {
982	my ($pl) = @_;	1689	my ($pl) = @_;
983		1690
984	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
989	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
990		1697
991	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
993		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
994	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
995	Coro::cede;	1707	cf::cede_to_tick;
996	}	1708	}
997		1709
998	sub new($) {	1710	sub new($) {
999	my ($login) = @_;	1711	my ($login) = @_;
1000		1712
…		…
1006	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1007		1719
1008	$self	1720	$self
1009	}	1721	}
1010		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1011	=item $pl->quit_character	1733	=item $pl->quit_character
1012		1734
1013	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1015		1737
1016	=cut	1738	=cut
1017		1739
1018	sub quit_character {	1740	sub quit_character {
1019	my ($pl) = @_;	1741	my ($pl) = @_;
1020		1742
		1743	my $name = $pl->ob->name;
		1744
1021	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1023		1747
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1025	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1027	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1028		1756
1029	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1760	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1761	$pl->destroy;
		1762
		1763	my $prefix = qr<^~\Q$name\E/>;
		1764
		1765	# nuke player maps
		1766	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1767
1034	IO::AIO::aio_rmtree $temp;	1768	IO::AIO::aio_rmtree $temp;
		1769	}
		1770
		1771	=item $pl->kick
		1772
		1773	Kicks a player out of the game. This destroys the connection.
		1774
		1775	=cut
		1776
		1777	sub kick {
		1778	my ($pl, $kicker) = @_;
		1779
		1780	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1781	$pl->killer ("kicked");
		1782	$pl->ns->destroy;
1035	}	1783	}
1036		1784
1037	=item cf::player::list_logins	1785	=item cf::player::list_logins
1038		1786
1039	Returns am arrayref of all valid playernames in the system, can take a	1787	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1788	while and may block, so not sync_job-capable, ever.
1041		1789
1042	=cut	1790	=cut
1043		1791
1044	sub list_logins {	1792	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1793	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1794	or return [];
1047		1795
1048	my @logins;	1796	my @logins;
1049		1797
1050	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1054		1808
1055	utf8::decode $login;	1809	utf8::decode $login;
1056	push @logins, $login;	1810	push @logins, $login;
1057	}	1811	}
1058		1812
1059	\@logins	1813	\@logins
1060	}	1814	}
1061		1815
1062	=item $player->maps	1816	=item $player->maps
1063		1817
		1818	=item cf::player::maps $login
		1819
1064	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1065	player. May block.	1821	player. May block.
1066		1822
1067	=cut	1823	=cut
1068		1824
1069	sub maps($) {	1825	sub maps($) {
1070	my ($pl) = @_;	1826	my ($pl) = @_;
		1827
		1828	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1829
1072	my $files = aio_readdir playerdir $pl	1830	my $files = aio_readdir playerdir $pl
1073	or return;	1831	or return;
1074		1832
1075	my @paths;	1833	my @paths;
…		…
1077	for (@$files) {	1835	for (@$files) {
1078	utf8::decode $_;	1836	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1837	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1838	next unless /^$PATH_SEP/o;
1081		1839
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1840	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1841	}
1084		1842
1085	\@paths	1843	\@paths
1086	}	1844	}
1087		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1089		1851
1090	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1091		1853
1092	=cut	1854	=cut
1093		1855
1094	sub ext_reply($$$%) {	1856	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1096		1858
1097	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1860	}
1101		1861
1102	package cf;	1862	=item $player->ext_msg ($type, @msg)
		1863
		1864	Sends an ext event to the client.
		1865
		1866	=cut
		1867
		1868	sub ext_msg($$@) {
		1869	my ($self, $type, @msg) = @_;
		1870
		1871	$self->ns->ext_msg ($type, @msg);
		1872	}
		1873
		1874	=head3 cf::region
		1875
		1876	=over 4
		1877
		1878	=cut
		1879
		1880	package cf::region;
		1881
		1882	=item cf::region::find_by_path $path
		1883
		1884	Tries to decuce the likely region for a map knowing only its path.
		1885
		1886	=cut
		1887
		1888	sub find_by_path($) {
		1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
		1893	my ($match, $specificity);
		1894
		1895	for my $region (list) {
		1896	if ($region->{match} && $path =~ $region->{match}) {
		1897	($match, $specificity) = ($region, $region->specificity)
		1898	if $region->specificity > $specificity;
		1899	}
		1900	}
		1901
		1902	$match
		1903	}
1103		1904
1104	=back	1905	=back
1105
1106		1906
1107	=head3 cf::map	1907	=head3 cf::map
1108		1908
1109	=over 4	1909	=over 4
1110		1910
…		…
1114		1914
1115	use Fcntl;	1915	use Fcntl;
1116	use Coro::AIO;	1916	use Coro::AIO;
1117		1917
1118	use overload	1918	use overload
1119	'""' => \&as_string;	1919	'""' => \&as_string,
		1920	fallback => 1;
1120		1921
1121	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1123		1924
1124	sub generate_random_map {	1925	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1126		1927
1127	# mit "rum" bekleckern, nicht	1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1128	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132	$rmp->{exit_on_final_map},
1133	$rmp->{xsize}, $rmp->{ysize},
1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1137	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)
1141	}	1931	}
		1932
		1933	=item cf::map->register ($regex, $prio)
		1934
		1935	Register a handler for the map path matching the given regex at the
		1936	givne priority (higher is better, built-in handlers have priority 0, the
		1937	default).
		1938
		1939	=cut
1142		1940
1143	sub register {	1941	sub register {
1144	my (undef, $regex) = @_;	1942	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1943	my $pkg = caller;
1146		1944
1147	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1946
1150	$EXT_MAP{$pkg} = qr<$regex>;	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1948	}
1152		1949
1153	# also paths starting with '/'	1950	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1952
		1953	sub thawer_merge {
		1954	my ($self, $merge) = @_;
		1955
		1956	# we have to keep some variables in memory intact
		1957	local $self->{path};
		1958	local $self->{load_path};
		1959
		1960	$self->SUPER::thawer_merge ($merge);
		1961	}
1155		1962
1156	sub normalise {	1963	sub normalise {
1157	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
		1965
		1966	$path = "$path"; # make sure it's a string
		1967
		1968	$path =~ s/\.map$//;
1158		1969
1159	# map plan:	1970	# map plan:
1160	#	1971	#
1161	# /! non-realised random map exit (special hack!)	1972	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1973	# {... are special paths that are not being touched
…		…
1175	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1176	$path = "$base/$path";	1987	$path = "$base/$path";
1177	}	1988	}
1178		1989
1179	for ($path) {	1990	for ($path) {
1180	redo if s{//}{/};
1181	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1182	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1183	}	1993	}
1184		1994
1185	$path	1995	$path
…		…
1190		2000
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	2001	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		2002
1193	$path = normalise $path, $base;	2003	$path = normalise $path, $base;
1194		2004
1195	for my $pkg (keys %EXT_MAP) {	2005	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	2006	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	2007	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	2008	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1200	return $self;	2010	return $self;
1201	}	2011	}
1202	}	2012	}
1203		2013
1204	Carp::carp "unable to resolve path '$path'.";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1205	()	2015	()
1206	}	2016	}
1207		2017
		2018	# may re-bless or do other evil things
1208	sub init {	2019	sub init {
1209	my ($self) = @_;	2020	my ($self) = @_;
1210		2021
1211	$self	2022	$self
1212	}	2023	}
…		…
1220	# the displayed name, this is a one way mapping	2031	# the displayed name, this is a one way mapping
1221	sub visible_name {	2032	sub visible_name {
1222	&as_string	2033	&as_string
1223	}	2034	}
1224		2035
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	2036	# the original (read-only) location
1233	sub load_path {	2037	sub load_path {
1234	my ($self) = @_;	2038	my ($self) = @_;
1235		2039
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2040	"$MAPDIR/$self->{path}.map"
1237	}	2041	}
1238		2042
1239	# the temporary/swap location	2043	# the temporary/swap location
1240	sub save_path {	2044	sub save_path {
1241	my ($self) = @_;	2045	my ($self) = @_;
1242		2046
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2048	"$TMPDIR/$path.map"
1244	}	2049	}
1245		2050
1246	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1247	sub uniq_path {	2052	sub uniq_path {
1248	my ($self) = @_;	2053	my ($self) = @_;
1249		2054
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2056	"$UNIQUEDIR/$path"
1251	}	2057	}
1252		2058
1253	# and all this just because we cannot iterate over	2059	sub decay_objects {
1254	# all maps in C++...
1255	sub change_all_map_light {
1256	my ($change) = @_;	2060	my ($self) = @_;
1257		2061
1258	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1259	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1260	}	2065	}
1261		2066
1262	sub unlink_save {	2067	sub unlink_save {
1263	my ($self) = @_;	2068	my ($self) = @_;
1264		2069
1265	utf8::encode (my $save = $self->save_path);	2070	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	2071	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	2072	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	2073	}
1269		2074
1270	sub load_header_from($) {	2075	sub load_header_from($) {
1271	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1272		2077
1273	utf8::encode $path;	2078	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1275	or return;	2080	or return;
1276		2081
1277	$self->_load_header ($path)	2082	$self->_load_header ($f)
1278	or return;	2083	or return;
1279		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1280	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1281		2089
1282	1	2090	1
1283	}	2091	}
1284		2092
		2093	# used to laod the header of an original map
1285	sub load_orig {	2094	sub load_header_orig {
1286	my ($self) = @_;	2095	my ($self) = @_;
1287		2096
1288	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1289	}	2098	}
1290		2099
		2100	# used to laod the header of an instantiated map
1291	sub load_temp {	2101	sub load_header_temp {
1292	my ($self) = @_;	2102	my ($self) = @_;
1293		2103
1294	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
		2105	}
		2106
		2107	# called after loading the header from an instantiated map
		2108	sub prepare_temp {
		2109	my ($self) = @_;
		2110
		2111	$self->last_access ((delete $self->{last_access})
		2112	|| $cf::RUNTIME); #d#
		2113	# safety
		2114	$self->{instantiate_time} = $cf::RUNTIME
		2115	if $self->{instantiate_time} > $cf::RUNTIME;
		2116	}
		2117
		2118	# called after loading the header from an original map
		2119	sub prepare_orig {
		2120	my ($self) = @_;
		2121
		2122	$self->{load_original} = 1;
		2123	$self->{instantiate_time} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125	$self->instantiate;
1295	}	2126	}
1296		2127
1297	sub load_header {	2128	sub load_header {
1298	my ($self) = @_;	2129	my ($self) = @_;
1299		2130
1300	if ($self->load_temp) {	2131	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2132	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2133	} else {
1307	$self->load_orig	2134	$self->load_header_orig
1308	or return;	2135	or return;
1309		2136	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2137	}
		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
		2142	$self->default_region (cf::region::find_by_path $self->{path})
		2143	unless $self->default_region;
1315		2144
1316	1	2145	1
1317	}	2146	}
1318		2147
1319	sub find;	2148	sub find;
1320	sub find {	2149	sub find {
1321	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1322		2151
		2152	cf::cede_to_tick;
		2153
1323	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1324		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1326		2158
1327	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";
1329	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1330	or return;	2161	or return;
1331		2162
1332	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1333		2164
1334	$map->load_header	2165	$map->load_header
1335	or return;	2166	or return;
1336		2167
1337	if ($map->should_reset) {	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2169	# doing this can freeze the server in a sync job, obviously
		2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1338	$map->reset;	2173	$map->reset;
1339	undef $guard;
1340	$map = find $path	2174	return find $path;
1341	or return;
1342	}	2175	}
1343		2176
1344	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1345	}	2178	}
1346	}	2179	}
		2180
		2181	sub pre_load { }
		2182	#sub post_load { } # XS
1347		2183
1348	sub load {	2184	sub load {
1349	my ($self) = @_;	2185	my ($self) = @_;
1350		2186
		2187	local $self->{deny_reset} = 1; # loading can take a long time
		2188
1351	my $path = $self->{path};	2189	my $path = $self->{path};
		2190
		2191	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1353		2193
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2194	return unless $self->valid;
		2195	return unless $self->state == cf::MAP_SWAPPED;
1355		2196
1356	$self->in_memory (cf::MAP_LOADING);
1357
1358	$self->alloc;	2197	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2198
		2199	$self->pre_load;
		2200	cf::cede_to_tick;
		2201
		2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1360	or return;	2206	or return;
1361		2207
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1363	if delete $self->{load_original};	2209	if delete $self->{load_original};
1364		2210
1365	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2212	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2215	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1370	}	2220	}
1371	}
1372		2221
1373	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
1374		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1375	# now do the right thing for maps	2231	# now do the right thing for maps
1376	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2234	unless $self->difficulty;
1386	Coro::cede;	2235	cf::cede_to_tick;
1387	$self->activate;	2236
		2237	unless ($self->{deny_activate}) {
		2238	$self->decay_objects;
		2239	$self->fix_auto_apply;
		2240	$self->update_buttons;
		2241	cf::cede_to_tick;
		2242	#$self->activate; # no longer activate maps automatically
		2243	}
		2244
		2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
		2247	}
		2248
		2249	$self->post_load;
		2250
1388	}	2251	1
1389
1390	$self->in_memory (cf::MAP_IN_MEMORY);
1391	}	2252	}
1392		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1393	sub customise_for {	2257	sub customise_for {
1394	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1395		2259
1396	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2261	if $self->per_player;
1398		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1399	$self	2266	$self
1400	}
1401
1402	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {
1404	my ($map) = @_;
1405
1406	my @diag; # diagonal neighbours
1407
1408	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)
1410	or next;
1411	$neigh = find $neigh, $map
1412	or next;
1413	$neigh->load;
1414
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}
1418
1419	for (@diag) {
1420	my $neigh = find @$_
1421	or next;
1422	$neigh->load;
1423	}
1424	}	2267	}
1425		2268
1426	sub find_sync {	2269	sub find_sync {
1427	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1428		2271
1429	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1430	}	2277	}
1431		2278
1432	sub do_load_sync {	2279	sub do_load_sync {
1433	my ($map) = @_;	2280	my ($map) = @_;
1434		2281
1435	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1436	}	2287	}
1437		2288
1438	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2290	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2291
1452	sub find_async {	2292	sub find_async {
1453	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1454		2294
1455	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1456		2296
1457	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
		2299	}
		2300
		2301	$MAP_PREFETCH{$path} |= $load;
		2302
		2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
		2306	while (%MAP_PREFETCH) {
		2307	while (my ($k, $v) = each %MAP_PREFETCH) {
		2308	if (my $map = find $k) {
		2309	$map->load if $v;
		2310	}
		2311
		2312	delete $MAP_PREFETCH{$k};
		2313	}
		2314	}
		2315	undef $MAP_PREFETCHER;
1459	}	2316	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2317	$MAP_PREFETCHER->prio (6);
1463		2318
1464	()	2319	()
1465	}	2320	}
1466		2321
		2322	# common code, used by both ->save and ->swapout
1467	sub save {	2323	sub _save {
1468	my ($self) = @_;	2324	my ($self) = @_;
1469
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
1471		2325
1472	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1473		2327
1474	return unless $self->dirty;	2328	return unless $self->dirty;
1475		2329
…		…
1481	return if $self->{deny_save};	2335	return if $self->{deny_save};
1482		2336
1483	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1484		2338
1485	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1487	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1488		2345
1489	if ($uniq) {	2346	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2349	} else {
1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1494	}	2351	}
1495	}	2352	}
1496		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1497	sub swap_out {	2362	sub swap_out {
1498	my ($self) = @_;	2363	my ($self) = @_;
1499		2364
1500	# save first because save cedes
1501	$self->save;
1502
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1505	return if $self->players;	2369	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};
1508		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1509	$self->clear;	2380	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2381	}
1512		2382
1513	sub reset_at {	2383	sub reset_at {
1514	my ($self) = @_;	2384	my ($self) = @_;
1515		2385
1516	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1519		2388
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2391
…		…
1527	my ($self) = @_;	2396	my ($self) = @_;
1528		2397
1529	$self->reset_at <= $cf::RUNTIME	2398	$self->reset_at <= $cf::RUNTIME
1530	}	2399	}
1531		2400
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2401	sub reset {
1547	my ($self) = @_;	2402	my ($self) = @_;
1548		2403
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2405
1551	return if $self->players;	2406	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2407
1554	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
		2409
		2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
1555		2419
1556	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1557		2421
		2422	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
		2424	$self->clear;
1559		2425
1560	$self->unlink_save;	2426	$self->unlink_save;
1561	$self->destroy;	2427	$self->destroy;
1562	}	2428	}
1563		2429
1564	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1565		2431
1566	sub nuke {	2432	sub nuke {
1567	my ($self) = @_;	2433	my ($self) = @_;
1568		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
		2438	delete $cf::MAP{$self->path};
		2439
		2440	$self->unlink_save;
		2441
		2442	bless $self, "cf::map::wrap";
		2443	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2447
		2448	$cf::MAP{$self->path} = $self;
		2449	}
		2450
1572	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1573	}	2488	}
1574		2489
1575	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1576		2491
1577	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2493	instantiated unique items. May block.
1579		2494
1580	=cut	2495	=cut
1581		2496
1582	sub unique_maps() {	2497	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2498	[
1584	or return;	2499	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2500	utf8::decode $_;
1590	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2503	? ()
1593	push @paths, $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2506	]
1595
1596	\@paths
1597	}	2507	}
1598		2508
1599	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1600		2540
1601	=back	2541	=back
1602		2542
1603	=head3 cf::object	2543	=head3 cf::object
1604		2544
…		…
1608		2548
1609	=over 4	2549	=over 4
1610		2550
1611	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1612		2552
1613	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1614		2555
1615	=cut	2556	=cut
1616		2557
1617	sub inv_recursive_;	2558	sub inv_recursive_;
1618	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1621		2562
1622	sub inv_recursive {	2563	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1624	}	2565	}
1625		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1626	package cf;	2595	package cf;
1627		2596
1628	=back	2597	=back
1629		2598
1630	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1639		2608
1640	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1641		2624
1642	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2626	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1647		2630
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2632
1650	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1652	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1655	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1656	}	2658	}
1657		2659
1658	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1659		2661
1660	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1673		2675
1674	=item $player_object->enter_link	2676	=item $player_object->enter_link
1675		2677
1676	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1677		2679
1678	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1679	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1680		2684
1681	Will never block.	2685	Will never block.
1682		2686
1683	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1684		2688
…		…
1692	=cut	2696	=cut
1693		2697
1694	sub link_map {	2698	sub link_map {
1695	unless ($LINK_MAP) {	2699	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2700	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2701	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2702	$LINK_MAP->load;
1699	}	2703	}
1700		2704
1701	$LINK_MAP	2705	$LINK_MAP
1702	}	2706	}
…		…
1704	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2709	my ($self) = @_;
1706		2710
1707	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1708		2712
		2713	++$self->{_link_recursion};
		2714
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2716
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1713		2719
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2721	}
1716		2722
1717	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1719		2727
1720	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1721		2729
1722	unless ($map) {	2730	unless ($map) {
1723	# restore original map position	2731	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1736		2744
1737	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1740		2748
1741	$map->load;	2749	$map->load;
1742	$map->load_diag;
1743		2750
1744	return unless $self->contr->active;	2751	return unless $self->contr->active;
		2752
		2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2754	if ($self->enter_map ($map, $x, $y)) {
		2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2758	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}
1748
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},	2759	}
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2760
1763	# try to abort aborted map switching on player login :)	2761	}
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2762
1781	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1782		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1783	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1784		2777
1785	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2789
1788	$self->enter_link;	2790	$self->enter_link;
1789		2791
1790	(async {	2792	(async {
1791	my $map = cf::map::find $path;	2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
		2814	my $map = eval {
		2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
1793		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2820	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
1798		2823
		2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
		2830	}
		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1800	})->prio (1);	2838	})->prio (1);
1801	}	2839	}
1802		2840
1803	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1804		2842
…		…
1806		2844
1807	sub parse_random_map_params {	2845	sub parse_random_map_params {
1808	my ($spec) = @_;	2846	my ($spec) = @_;
1809		2847
1810	my $rmp = { # defaults	2848	my $rmp = { # defaults
1811	xsize => 10,	2849	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2850	ysize => (cf::rndm 15, 40),
		2851	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2852	#layout => string,
1813	};	2853	};
1814		2854
1815	for (split /\n/, $spec) {	2855	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2856	my ($k, $v) = split /\s+/, $_, 2;
1817		2857
…		…
1829	# that depends on the exit object	2869	# that depends on the exit object
1830		2870
1831	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
1832		2872
1833	if ($exit->map) {	2873	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2874	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1838	}	2880	}
1839		2881
1840	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1841		2883
1842	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
		2886	my $meta = "$RANDOMDIR/$md5.meta";
1844		2887
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
		2890	undef $fh;
		2891	aio_rename "$meta~", $meta;
1847		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1850	}	2899	}
1851	}	2900	}
1852		2901
1853	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1857		2906
1858	$self->enter_link;	2907	$self->enter_link;
1859		2908
1860	(async {	2909	(async {
1861	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1862	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
1863	prepare_random_map $exit	2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
1864	if $exit->slaying eq "/!";	2929	$map = $exit->slaying;
1865		2930
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2931	} elsif ($slaying eq '!up') {
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
1868		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
		2942	$self->goto ($map, $x, $y);
		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
1869	1;	2948	1
1870	}) {	2949	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
1872	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2954
1876	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
1877	$self->leave_link;	2956	$self->leave_link;
1878	}	2957	}
1879	})->prio (1);	2958	})->prio (1);
1880	}	2959	}
1881		2960
…		…
1892		2971
1893	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
1895		2974
1896	utf8::encode $text;	2975	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2977	}
1899		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
		3166	=item $client->ext_msg ($type, @msg)
		3167
		3168	Sends an ext event to the client.
		3169
		3170	=cut
		3171
		3172	sub cf::client::ext_msg($$@) {
		3173	my ($self, $type, @msg) = @_;
		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
		3178	push @msg, msgtype => "event_$type";
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3195	}
1900		3196
1901	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
1902		3198
1903	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		3202
1907	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	3204	become reliable at some point in the future.
1909		3205
1910	=cut	3206	=cut
1911		3207
1912	sub cf::client::query {	3208	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	3217	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		3219
1924	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
1926	}	3224	}
1927		3225
1928	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
1929	on_reply => sub {	3232	on_reply => sub {
1930	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
1931		3234
1932	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
1933	# get handled first	3236	# get handled first
1934	my $queue = delete $ns->{query_queue}	3237	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3238	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3239
1937	(shift @$queue)->[1]->($msg);	3240	(shift @$queue)->[1]->($msg);
		3241	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3242
1939	push @{ $ns->{query_queue} }, @$queue;	3243	push @{ $ns->{query_queue} }, @$queue;
1940		3244
1941	if (@{ $ns->{query_queue} } == @$queue) {	3245	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3246	if (@$queue) {
…		…
1944	} else {	3248	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3250	}
1947	}	3251	}
1948	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
1949	);	3276	);
1950		3277
1951	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
1952		3279
1953	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
1969		3296
1970	$coro	3297	$coro
1971	}	3298	}
1972		3299
1973	cf::client->attach (	3300	cf::client->attach (
1974	on_destroy => sub {	3301	on_client_destroy => sub {
1975	my ($ns) = @_;	3302	my ($ns) = @_;
1976		3303
1977	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1978	},	3305	},
1979	);	3306	);
…		…
1994	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
1996		3323
1997	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
1998		3325
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2000		3331
2001	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2002		3333
2003	=pod	3334	=pod
2004		3335
2005	The following fucntions and emthods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2006		3337
2007	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2008	cf::object::player player	3343	cf::object::player
2009	cf::player peaceful	3344	player
2010	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2011		3351
2012	=cut	3352	=cut
2013		3353
2014	for (	3354	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2016	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2018	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2019	) {	3361	) {
2020	no strict 'refs';
2021	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2022	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2023	for @funs;	3364	for @funs;
2024	}	3365	}
2025		3366
…		…
2040		3381
2041	my $qcode = $code;	3382	my $qcode = $code;
2042	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2043	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2044		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2045	local $_;	3389	local $_;
2046	local @safe::cf::_safe_eval_args = values %vars;
2047		3390
2048	my $eval =	3391	my $eval =
2049	"do {\n"	3392	"do {\n"
2050	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2051	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2052	. $code	3395	. $code
2053	. "\n}"	3396	. "\n}"
2054	;	3397	;
2055		3398
		3399	if ($CFG{safe_eval}) {
2056	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2057	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2058	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2059		3408
2060	if ($@) {	3409	if ($@) {
2061	warn "$@";	3410	warn "$@",
2062	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2063	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2064	}	3413	}
2065		3414
2066	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2067	}	3416	}
2068		3417
…		…
2082	=cut	3431	=cut
2083		3432
2084	sub register_script_function {	3433	sub register_script_function {
2085	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2086		3435
2087	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2088	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2089	}	3438	}
2090		3439
2091	=back	3440	=back
2092		3441
2093	=cut	3442	=cut
2094		3443
2095	#############################################################################	3444	#############################################################################
		3445	# the server's init and main functions
2096		3446
2097	=head2 EXTENSION DATABASE SUPPORT	3447	sub load_facedata($) {
		3448	my ($path) = @_;
2098		3449
2099	Crossfire maintains a very simple database for extension use. It can	3450	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3451	# for this (global event?)
2101	excludes objects.	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3453
2103	The parameter C<$family> should best start with the name of the extension	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3455
2106	=over 4	3456	trace "loading facedata from $path\n";
2107		3457
2108	=item $hashref = cf::db_get $family	3458	my $facedata = decode_storable load_file $path;
2109		3459
2110	Return a hashref for use by the extension C<$family>, which can be	3460	$facedata->{version} == 2
2111	modified. After modifications, you have to call C<cf::db_dirty> or	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2112	C<cf::db_sync>.
2113		3462
2114	=item $value = cf::db_get $family => $key	3463	# patch in the exptable
2115		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2116	Returns a single value from the database	3465	$facedata->{resource}{"res/exp_table"} = {
2117		3466	type => FT_RSRC,
2118	=item cf::db_put $family => $hashref	3467	data => $exp_table,
2119		3468	hash => (Digest::MD5::md5 $exp_table),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3469	};
		3470	cf::cede_to_tick;
2169		3471
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3472	{
		3473	my $faces = $facedata->{faceinfo};
2174		3474
2175	sub db_get($;$) {	3475	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3477
2181	sub db_put($$;$) {	3478	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2184	} else {	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2185	$DB->{$_[0]} = $_[1];	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2186	}
2187	db_dirty;
2188	}
2189		3483
2190	cf::global->attach (	3484	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3485	}
2195	);
2196	}
2197		3486
2198	#############################################################################	3487	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3488	next unless $info->{smooth};
2200		3489
2201	sub cfg_load {	3490	my $idx = cf::face::find $face
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3491	or next;
2203	or return;
2204		3492
2205	local $/;	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2206	*CFG = YAML::Syck::Load <$fh>;	3494	cf::face::set_smooth $idx, $smooth;
		3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3496	} else {
		3497	error "smooth face '$info->{smooth}' not found for face '$face'";
		3498	}
2207		3499
		3500	cf::cede_to_tick;
		3501	}
		3502	}
		3503
		3504	{
		3505	my $anims = $facedata->{animinfo};
		3506
		3507	while (my ($anim, $info) = each %$anims) {
		3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3509	cf::cede_to_tick;
		3510	}
		3511
		3512	cf::anim::invalidate_all; # d'oh
		3513	}
		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
		3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3521
		3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3523	cf::face::set_type $idx, $info->{type};
		3524	} else {
		3525	$RESOURCE{$name} = $info; # unused
		3526	}
		3527
		3528	cf::cede_to_tick;
		3529	}
		3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3533
		3534	1
		3535	}
		3536
		3537	register_exticmd fx_want => sub {
		3538	my ($ns, $want) = @_;
		3539
		3540	while (my ($k, $v) = each %$want) {
		3541	$ns->fx_want ($k, $v);
		3542	}
		3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
		3554
		3555	sub reload_regions {
		3556	# HACK to clear player env face cache, we need some signal framework
		3557	# for this (global event?)
		3558	%ext::player_env::MUSIC_FACE_CACHE = ();
		3559
		3560	load_resource_file "$MAPDIR/regions"
		3561	or die "unable to load regions file\n";
		3562
		3563	for (cf::region::list) {
		3564	$_->{match} = qr/$_->{match}/
		3565	if exists $_->{match};
		3566	}
		3567	}
		3568
		3569	sub reload_facedata {
		3570	load_facedata "$DATADIR/facedata"
		3571	or die "unable to load facedata\n";
		3572	}
		3573
		3574	sub reload_archetypes {
		3575	load_resource_file "$DATADIR/archetypes"
		3576	or die "unable to load archetypes\n";
		3577	}
		3578
		3579	sub reload_treasures {
		3580	load_resource_file "$DATADIR/treasures"
		3581	or die "unable to load treasurelists\n";
		3582	}
		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
		3604	sub reload_resources {
		3605	trace "reloading resource files...\n";
		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
		3612	reload_regions;
		3613	reload_treasures;
		3614
		3615	trace "finished reloading resource files\n";
		3616	}
		3617
		3618	sub reload_config {
		3619	trace "reloading config file...\n";
		3620
		3621	my $config = load_file "$CONFDIR/config";
		3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
		3624
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2209		3626
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2212		3629
2213	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
2217	};	3634	};
2218	warn $@ if $@;	3635	warn $@ if $@;
2219	}	3636	}
2220	}	3637	}
2221		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
2222	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
2223	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3680	(async {
		3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3682	EV::loop EV::LOOP_ONESHOT;
		3683	})->prio (Coro::PRIO_MAX);
2227	};	3684	};
2228		3685
2229	cfg_load;	3686	evthread_start IO::AIO::poll_fileno;
2230	db_load;	3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
		3698	reload_config;
		3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
2231	load_extensions;	3709	load_extensions;
2232	Event::loop;	3710
		3711	utime time, time, $RUNTIMEFILE;
		3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
2233	}	3728	}
2234		3729
2235	#############################################################################	3730	#############################################################################
2236	# initialisation and cleanup	3731	# initialisation and cleanup
2237		3732
2238	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
2239	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
2246	},
2247	);	3739	};
		3740	}
		3741	}
		3742
		3743	sub write_runtime_sync {
		3744	my $t0 = AE::time;
		3745
		3746	# first touch the runtime file to show we are still running:
		3747	# the fsync below can take a very very long time.
		3748
		3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3750
		3751	my $guard = cf::lock_acquire "write_runtime";
		3752
		3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3754	or return;
		3755
		3756	my $value = $cf::RUNTIME + 90 + 10;
		3757	# 10 is the runtime save interval, for a monotonic clock
		3758	# 60 allows for the watchdog to kill the server.
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	# touch it again to show we are up-to-date
		3768	aio_utime $fh, undef, undef;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3774	and return;
		3775
		3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3777
2248	}	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
2249	}	3829	}
2250		3830
2251	sub emergency_save() {	3831	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
2253		3833
2254	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
2255		3840
2256	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
2257	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
2261	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3852	$pl->save;
2265	}	3853	}
2266	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
2267		3855
2268	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
2269	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
2270	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3861	$map->valid or next;
2272	$map->save;	3862	$map->save;
2273	}	3863	}
2274	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
2275	};	3894	};
2276		3895
2277	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
2278	}	3897	}
2279		3898
		3899	sub post_cleanup {
		3900	my ($make_core) = @_;
		3901
		3902	IO::AIO::flush;
		3903
		3904	error Carp::longmess "post_cleanup backtrace"
		3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
		3934	}
		3935
2280	sub reload() {	3936	sub do_reload_perl() {
2281	# can/must only be called in main	3937	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
2283	warn "can only reload from main coroutine\n";	3939	error "can only reload from main coroutine";
2284	return;	3940	return;
2285	}	3941	}
2286		3942
2287	warn "reloading...";	3943	return if $RELOAD++;
2288		3944
2289	warn "freezing server";	3945	my $t1 = AE::time;
2290	my $guard = freeze_mainloop;	3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
		3953	cf::sync_job {
2291	cf::emergency_save;	3954	#cf::emergency_save;
2292		3955
2293	warn "sync database to disk";	3956	trace "perl_reload: cancelling all extension coros";
2294	cf::db_sync;
2295	IO::AIO::flush;
2296
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved
2299
2300	warn "cancel all watchers";
2301	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}
2304
2305	warn "cancel all extension coros";
2306	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3958	%EXT_CORO = ();
2308		3959
2309	warn "remove commands";	3960	trace "perl_reload: removing commands";
2310	%COMMAND = ();	3961	%COMMAND = ();
2311		3962
2312	warn "remove ext commands";	3963	trace "perl_reload: removing ext/exti commands";
2313	%EXTCMD = ();	3964	%EXTCMD = ();
		3965	%EXTICMD = ();
2314		3966
2315	warn "unload/nuke all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
2318		3970
2319	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3972	eval {
2321	$cb->($pkg);	3973	$cb->($pkg);
2322	1	3974	1
2323	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
2324	}	3980	}
2325		3981
2326	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329
2330	warn "unload all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3985
2334	warn "removing <$k>";	3986	trace "... unloading $k";
2335	delete $INC{$k};	3987	delete $INC{$k};
2336		3988
2337	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
2339		3991
2340	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
2341	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
2342	}	3997	}
2343		3998
2344	Symbol::delete_package $k;
2345	}
2346
2347	warn "get rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		4002
2351	warn "unload cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
		4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2353		4006
2354	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
2355	# and global variables created in xs	4008	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
2357		4010
2358	warn "reloading cf.pm";	4011	info "perl_reload: unload completed, starting to reload now";
		4012
		4013	trace "perl_reload: reloading cf.pm";
2359	require cf;	4014	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
2361		4016
2362	warn "load config and database again";	4017	trace "perl_reload: loading config and database again";
2363	cf::cfg_load;	4018	cf::reload_config;
2364	cf::db_load;
2365		4019
2366	warn "load extensions";	4020	trace "perl_reload: loading extensions";
2367	cf::load_extensions;	4021	cf::load_extensions;
2368		4022
		4023	if ($REATTACH_ON_RELOAD) {
2369	warn "reattach attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
2370	_global_reattach;	4025	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
2372	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
		4028	trace "perl_reload: reattaching attachments to players";
		4029	reattach $_ for values %PLAYER;
		4030	}
		4031
		4032	cf::_post_init 1;
		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
		4036	1
		4037	} or do {
		4038	error $@;
		4039	cf::cleanup "perl_reload: error, exiting.";
		4040	};
		4041
		4042	--$RELOAD;
		4043	}
		4044
		4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
		4047	};
		4048
		4049	our $RELOAD_WATCHER; # used only during reload
		4050
		4051	sub reload_perl() {
		4052	# doing reload synchronously and two reloads happen back-to-back,
		4053	# coro crashes during coro_state_free->destroy here.
		4054
		4055	$RELOAD_WATCHER ||= cf::async {
		4056	Coro::AIO::aio_wait cache_extensions;
		4057
		4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4059	do_reload_perl;
		4060	undef $RELOAD_WATCHER;
		4061	};
2373	};	4062	};
2374		4063	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		4064
2384	register_command "reload" => sub {	4065	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
2386		4067
2387	if ($who->flag (FLAG_WIZ)) {	4068	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	4069	$who->message ("reloading server.");
		4070	async {
		4071	$Coro::current->{desc} = "perl_reload";
		4072	reload_perl;
		4073	};
2391	}	4074	}
2392	};	4075	};
2393		4076
2394	unshift @INC, $LIBDIR;	4077	#############################################################################
2395		4078
2396	$TICK_WATCHER = Event->timer (	4079	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		4080
2404	cf::server_tick; # one server iteration	4081	sub wait_for_tick() {
2405	$RUNTIME += $TICK;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2406	$NEXT_TICK += $TICK;
2407		4083
		4084	$WAIT_FOR_TICK->wait;
		4085	}
		4086
		4087	sub wait_for_tick_begin() {
		4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4089
		4090	my $signal = new Coro::Signal;
		4091	push @WAIT_FOR_TICK_BEGIN, $signal;
		4092	$signal->wait;
		4093	}
		4094
		4095	sub tick {
		4096	if ($Coro::current != $Coro::main) {
		4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4098	unless ++$bug_warning > 10;
		4099	return;
		4100	}
		4101
		4102	cf::one_tick; # one server iteration
		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4105
		4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
		4110	write_runtime_sync
		4111	or error "ERROR: unable to write runtime file: $!";
		4112	};
		4113	}
		4114
		4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4116	$sig->send;
		4117	}
2408	$WAIT_FOR_TICK->broadcast;	4118	$WAIT_FOR_TICK->broadcast;
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2410		4119
2411	# if we are delayed by four ticks or more, skip them all	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2413		4122
2414	$TICK_WATCHER->at ($NEXT_TICK);	4123	if (0) {
2415	$TICK_WATCHER->start;	4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
2416	},	4129	}
2417	);	4130	}
2418		4131
		4132	{
		4133	# configure BDB
		4134
		4135	BDB::min_parallel 16;
		4136	BDB::max_poll_reqs $TICK * 0.1;
		4137	#$AnyEvent::BDB::WATCHER->priority (1);
		4138
		4139	unless ($DB_ENV) {
		4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4146
		4147	cf::sync_job {
		4148	eval {
		4149	BDB::db_env_open
		4150	$DB_ENV,
		4151	$BDBDIR,
		4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4154	0666;
		4155
		4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4157	};
		4158
		4159	cf::cleanup "db_env_open(db): $@" if $@;
		4160	};
		4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
		4172	}
		4173
		4174	{
		4175	# configure IO::AIO
		4176
		4177	IO::AIO::min_parallel 8;
2419	IO::AIO::max_poll_time $TICK * 0.2;	4178	IO::AIO::max_poll_time $TICK * 0.1;
		4179	undef $AnyEvent::AIO::WATCHER;
		4180	}
2420		4181
2421	Event->io (	4182	our $_log_backtrace;
2422	fd => IO::AIO::poll_fileno,	4183	our $_log_backtrace_last;
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428		4184
2429	Event->timer (	4185	sub _log_backtrace {
2430	data => WF_AUTOCANCEL,	4186	my ($msg, @addr) = @_;
2431	after => 0,	4187
2432	interval => 10,	4188	$msg =~ s/\n$//;
2433	cb => sub {	4189
2434	(Coro::unblock_sub {	4190	if ($_log_backtrace_last eq $msg) {
2435	write_runtime	4191	LOG llevInfo, "[ABT] $msg\n";
2436	or warn "ERROR: unable to write runtime file: $!";	4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4193	# limit the # of concurrent backtraces
		4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
		4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
		4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
		4201	my @bt = fork_call {
		4202	@addr = map { sprintf "%x", $_ } @addr;
		4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4205	or die "addr2line: $!";
		4206
		4207	my @funcs;
		4208	my @res = <$fh>;
		4209	chomp for @res;
		4210	while (@res) {
		4211	my ($func, $line) = splice @res, 0, 2, ();
		4212	push @funcs, "[$func] $line";
		4213	}
		4214
		4215	@funcs
		4216	};
		4217
		4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4220	LOG llevInfo, "[ABT] $_\n" for @bt;
		4221	--$_log_backtrace;
2437	})->();	4222	};
		4223	} else {
		4224	LOG llevInfo, "[ABT] $msg\n";
		4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2438	},	4226	}
2439	);	4227	}
		4228
		4229	# load additional modules
		4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
2440		4232
2441	END { cf::emergency_save }	4233	END { cf::emergency_save }
2442		4234
2443	1	4235	1
2444		4236

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